Line Superintendent Past Paper PDF

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LINE SUPERINTENDENT (LS-I / LS-II) – MODEL PAPER 1

1. Islamic Studies

  1. What was the name of the tribe that violated the Treaty of Hudaybiyyah, leading to the Conquest of Makkah?
    Answer: Banu Bakr
  2. How many Takbeers are recited in total during Namaz-e-Janaza (Funeral Prayer)?
    Answer: 4 Takbeers
  3. Who was appointed as the governor of Kufa during the caliphate of Hazrat Umar Farooq (R.A)?
    Answer: Hazrat Ammar ibn Yasir (R.A)
  4. In which Hijri year was the Battle of Mu’tah fought against the Byzantine army?
    Answer: 8th Hijri
  5. Which Surah of the Holy Quran is named after “The Woman Who Pleaded”?
    Answer: Surah Al-Mujadila
  6. What was the original name of Hazrat Imam Malik (R.A)?
    Answer: Malik ibn Anas
  7. Which companion of Holy Prophet Muhammad (PBUH) was titled “Sayyid-ul-Qura” (Leader of Reciters)?
    Answer: Hazrat Ubayy ibn Ka’b (R.A)
  8. In which year of Hijrah did the tragedy of Bir Ma’una occur, where 70 Qaris were martyred?
    Answer: 4th Hijri
  9. How many Wajib acts (obligations) are performed during Hajj?
    Answer: 6 Wajib acts
  10. Which Prophet is titled “Safiyullah” (The Chosen of Allah)?
    Answer: Hazrat Adam (A.S)
  11. Which Surah in the Holy Quran is known as “Surah Al-Masaabih”?
    Answer: Surah Al-Mulk
  12. Who was the chief leader of the hypocrites (Munafiqeen) in Madinah?
    Answer: Abdullah ibn Ubayy
  13. How many times is the name of Prophet Muhammad (PBUH) explicitly mentioned in the Holy Quran?
    Answer: 4 Times
  14. In which Hijri year was the order of Hijab (veiling) for Muslim women revealed?
    Answer: 4th Hijri / 5th Hijri
  15. What was the duration of the caliphate of Hazrat Ali ibn Abi Talib (R.A)?
    Answer: Approximately 4 Years and 9 Months
  16. Which Quranic Surah deals extensively with the laws of marriage, inheritance, and family structure?
    Answer: Surah An-Nisa
  17. Who established the first formal naval fleet in Islamic history?
    Answer: Hazrat Amir Muawiyah (R.A) under Hazrat Usman (R.A)
  18. What is the literal meaning of the Islamic jurisprudential term “Qiyas”?
    Answer: Analogical deduction
  19. Which companion was known as the “Poet of the Prophet” (Shair-ur-Rasool)?
    Answer: Hazrat Hassan ibn Thabit (R.A)
  20. In which Islamic month did the Battle of Khandaq (Trench) take place?
    Answer: Shawwal (5th Hijri)

2. Pakistan Studies 

  1. Who was the chief draftsman and head of the committee that prepared the Nehru Report in 1928?
    Answer: Motilal Nehru
  2. In which year was the Simla Agreement signed between Pakistan and India?
    Answer: 1972 (2nd July)
  3. Who served as the Chairman of the Senate during the passage of the 1973 Constitution?
    Answer: Habibullah Khan Marwat
  4. What was the total allocation period of the Second Five-Year Plan of Pakistan?
    Answer: 1960 to 1965
  5. Which constitutional scheme introduced the System of Dyarchy in the provinces of British India?
    Answer: Government of India Act 1919 (Montagu-Chelmsford Reforms)
  6. Who was the Prime Minister of Pakistan during the 1971 Indo-Pak War?
    Answer: Nurul Amin
  7. What is the total length of Pakistan’s land border with Iran?
    Answer: Approximately 909 Kilometers
  8. Which mountain peak in Pakistan is locally referred to as “Chogori”?
    Answer: K2
  9. Which pact was signed in 1955 making Pakistan a member of CENTO?
    Answer: Baghdad Pact
  10. In which year was the Council of Islamic Ideology (CII) established in Pakistan?
    Answer: 1962
  11. Who authored the famous historical book “Pakistan: The Formative Phase”?
    Answer: Khalid bin Sayeed
  12. Which headworks feeds the Upper Chenab Canal system in Punjab?
    Answer: Marala Headworks
  13. Which mountain pass connects Swat with Gilgit-Baltistan?
    Answer: Shandur Pass
  14. Where is the famous archaeological site “Ranikot Fort” located?
    Answer: Jamshoro District, Sindh
  15. What is the name of the main coal reserve deposit located in the Tharparkar district of Sindh?
    Answer: Thar Coalfield
  16. In which year was the Agricultural Development Bank of Pakistan (ZTBL) established?
    Answer: 1961
  17. Who was the first female Governor of the State Bank of Pakistan?
    Answer: Dr. Shamshad Akhtar
  18. Which barrage on the Indus River feeds the Rohri Canal in Sindh?
    Answer: Sukkur Barrage
  19. In which year was the All India Muslim League’s London Branch established by Syed Ameer Ali?
    Answer: 1908
  20. Who served as the British Prime Minister during the passage of the Indian Independence Act 1947?
    Answer: Clement Attlee

3. General Knowledge

  1. Which dormant volcano in Japan is the highest peak in the country?
    Answer: Mount Fuji
  2. What is the capital city of Ethiopia?
    Answer: Addis Ababa
  3. Which sea lies between the Korean Peninsula and China?
    Answer: Yellow Sea
  4. What is the official currency of Poland?
    Answer: Polish Złoty (PLN)
  5. Which country is known as the “Land of Thunderbolts”?
    Answer: Bhutan
  6. What is the chemical name of Baking Soda?
    Answer: Sodium Bicarbonate ($NaHCO_3$)
  7. Which imaginary circle line marks the latitude $23.5^\circ$ South of the Equator?
    Answer: Tropic of Capricorn
  8. What is the capital city of Colombia?
    Answer: Bogotá
  9. Which international body oversees global maritime trade laws and shipping safety?
    Answer: IMO (International Maritime Organization)
  10. What is the SI unit of frequency?
    Answer: Hertz (Hz)
  11. Which archipelago nation in Southeast Asia consists of over 17,000 islands?
    Answer: Indonesia
  12. What is the official currency of Nigeria?
    Answer: Nigerian Naira (NGN)
  13. Which organ in the human body secretes bile juice for digestive processes?
    Answer: Liver
  14. Where is the headquarters of the International Atomic Energy Agency (IAEA) located?
    Answer: Vienna, Austria
  15. Which narrow body of water connects the Persian Gulf to the Gulf of Oman?
    Answer: Strait of Hormuz
  16. What is the capital city of Finland?
    Answer: Helsinki
  17. Which country produces the largest quantity of natural rubber in the world?
    Answer: Thailand
  18. What is the main noble gas used in standard glowing filament and advertising sign lamps?
    Answer: Argon / Neon
  19. Where is the headquarters of the World Intellectual Property Organization (WIPO) located?
    Answer: Geneva, Switzerland
  20. Which city is historically known as the “City of Seven Hills”?
    Answer: Rome, Italy

4. English 

  1. Choose the correct Synonym for “Abate”:
    Answer: Subside / Decrease
  2. Choose the correct Synonym for “Sagacious”:
    Answer: Wise / Insightful
  3. Choose the correct Antonym for “Obdurate”:
    Answer: Flexible / Yielding
  4. Choose the correct Antonym for “Ephemeral”:
    Answer: Long-lasting / Eternal
  5. Fill in the blank: “The Line Superintendent was absorbed ______ reviewing the distribution grid map.”
    Answer: in
  6. Fill in the blank: “The sub-divisional staff catered ______ all emergency feeder breakdown reports.”
    Answer: to
  7. Fill in the blank: “He complied ______ the safety codes laid down by WAPDA.”
    Answer: with
  8. Identify the correctly spelled word:
    Answer: Questionnaire
  9. Identify the correctly spelled word:
    Answer: Surveillance
  10. Change into Passive Voice: “The Line Superintendent authorized the Permit to Work (PTW).”
    Answer: The Permit to Work (PTW) was authorized by the Line Superintendent.
  11. Change into Indirect Speech: “The Line Superintendent said, ‘Check the transformer oil level immediately.'”
    Answer: The Line Superintendent ordered to check the transformer oil level immediately.
  12. What is the plural form of the word “Curriculum”:
    Answer: Curricula / Curriculums
  13. What is the singular form of the word “Data”:
    Answer: Datum
  14. Complete the sentence: “No sooner had the Line Superintendent issued the PTW ______ the line crew started maintenance.”
    Answer: than
  15. Complete the sentence: “If I ______ the megger insulation tester, I would test the 11 kV underground cable.”
    Answer: had
  16. What does the idiom “To add fuel to the fire” mean?
    Answer: To make an argument or bad situation worse
  17. What does the idiom “To throw cold water on” mean?
    Answer: To discourage an idea or plan
  18. Choose the correct article: “He is ______ Sub-Divisional Line Superintendent.”
    Answer: a
  19. What is the comparative degree of the adjective “Far” (for distance)?
    Answer: Farther
  20. Choose the correct word: “Neither of the two Line Superintendents ______ present at the grid site.”
    Answer: was

5. Job Related (Line Superintendent Supervision, Grid Maintenance & Power Distribution)

  1. Who holds the primary official authority at the sub-divisional field level to issue and sign a formal “Permit to Work” (PTW) for 11 kV line maintenance?
    Answer: Line Superintendent (LS) / Sub-Divisional Officer (SDO)
  2. What is the standard voltage transformation ratio of a typical 11 kV / 0.415 kV distribution transformer used in DISCOs?
    Answer: 11,000 Volts Primary to 415 Volts Secondary (Phase-to-Phase)
  3. What mathematical formula determines the percentage voltage regulation on a distribution feeder line?
    Answer: $\text{Voltage Regulation (\%)} = \frac{V_{\text{no load}} – V_{\text{full load}}}{V_{\text{full load}}} \times 100$
  4. What primary equipment is supervised by an LS to isolate an entire 11 kV outgoing feeder manually from a 66/11 kV or 132/11 kV Grid Station?
    Answer: 11 kV Vacuum Circuit Breaker (VCB) / SF6 Breaker
  5. What type of fault condition occurs on an 11 kV feeder when a tree branch causes momentary contact between two phase wires without snapping them?
    Answer: Transient / Temporary Phase-to-Phase Fault
  6. What is the main operational purpose of maintaining a “Feeder Log Book” in a Sub-Division office under Line Superintendent supervision?
    Answer: Recording breakdown timings, load currents (Amperes), PTW issuances, and tripping details
  7. What device is tested by an LS to measure the exact breakdown voltage (BDV) strength of distribution transformer oil?
    Answer: Oil Breakdown Voltage Tester (Oil Dielectric Test Set)
  8. What is the minimum acceptable BDV (Breakdown Voltage) threshold for reconditioned transformer oil in a 11 kV/415V distribution unit?
    Answer: 30 kV for 1 minute (as per standard IEEE/IEC specifications)
  9. What is the primary cause of unbalanced neutral current flowing back through the LT neutral conductor in a 3-phase 4-wire system?
    Answer: Unequal single-phase load distribution across the three phases (R, Y, B)
  10. What formula is used to calculate 3-phase active power ($P$) delivered by a distribution transformer?
    Answer: $P = \sqrt{3} \times V_L \times I_L \times \cos\phi$
  11. What supervisory duty must an LS perform before certifying a newly erected 11 kV pole line extension for energization?
    Answer: Line Clearance Check, Pole Grounding Verification, Insulation Resistance Test, and Sag Inspection
  12. What component on an 11 kV Gang Operated Switch (GOS) provides visual confirmation of physical circuit isolation?
    Answer: Open Air Gap between Switch Contacts
  13. What type of relay operates automatically inside a power transformer to detect gas buildup caused by internal insulation degradation?
    Answer: Buchholz Relay
  14. What is the main structural function of a “Cross-Arm” mounted on concrete distribution poles?
    Answer: Supporting and holding pin/disc insulators maintaining phase-to-phase conductor clearance
  15. What parameter causes “Over-fluxing” in a distribution transformer core during system operational disturbances?
    Answer: High system voltage combined with lower system frequency ($V/f$ ratio increase)
  16. What electrical test is conducted by an LS using a 5000V Megger on an 11 kV underground cable before energizing?
    Answer: Insulation Resistance Test (Phase-to-Phase and Phase-to-Earth)
  17. What is the purpose of installing “Arcing Horns” or “Surge Arresters” on the HT side of distribution transformers?
    Answer: Protecting transformer windings against atmospheric overvoltages and lightning switching surges
  18. What official report must be prepared by a Line Superintendent immediately after a major electrical fatal accident occurs in his area?
    Answer: Preliminary Fatal Electrical Accident Investigation Report (CP-55 / Fatal Accident Notice)
  19. What is the standard continuous current-carrying capacity requirement for an 11 kV ACSR “Dog” conductor used on primary feeders?
    Answer: Approximately 300 Amperes (depending on ambient temperature and conditions)
  20. What safety rule must a Line Superintendent strictly enforce before allowing line staff to climb an isolated 11 kV pole?
    Answer: Verification of PTW cancellation from Grid, Testing for absence of voltage, and Solid Local Earthing applied on both sides of the work site
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LINE SUPERINTENDENT (LS-I / LS-II) – MODEL PAPER 2

1. Islamic Studies (20 Marks)
  1. What was the name of the tribe that lived in Ta’if when Holy Prophet Muhammad (PBUH) visited them to preach Islam?
    Answer: Banu Thaqif
  2. How many total Takbeers are recited in Namaz-e-Khasoof (Solar/Lunar Eclipse Prayer)?
    Answer: Standard prayer format offered with regular Takbeers
  3. Who was appointed as the governor of Kufa during the caliphate of Hazrat Umar (R.A)?
    Answer: Hazrat Ammar ibn Yasir (R.A)
  4. In which Hijri year was the Battle of Yarmouk fought against the Byzantine Empire?
    Answer: 15th Hijri
  5. Which Surah of the Holy Quran is named after “The Iron”?
    Answer: Surah Al-Hadid
  6. What was the original name of Hazrat Imam Shafi’i (R.A)?
    Answer: Muhammad ibn Idris
  7. Which companion of Holy Prophet Muhammad (PBUH) was known as “Sayyid-ul-Qura” (Leader of Reciters)?
    Answer: Hazrat Ubayy ibn Ka’b (R.A)
  8. In which year of Hijrah did the incident of Bir Ma’una occur, where 70 Qaris were martyred?
    Answer: 4th Hijri
  9. How many Farz (obligatory acts) are performed during Ghusl (Ritual Bath)?
    Answer: 3 Farz acts
  10. What is the Nisab limit of cattle (cows/buffaloes) for Zakat applicability?
    Answer: 30 Cows / Buffaloes
  11. Which Surah of the Holy Quran is known as “Aroos-ul-Quran” (Beauty of the Quran)?
    Answer: Surah Ar-Rahman
  12. Who was the chief leader of the hypocrites (Munafiqeen) in Madinah?
    Answer: Abdullah ibn Ubayy
  13. How many times is the name of Prophet Isa (A.S) mentioned in the Holy Quran?
    Answer: 25 Times
  14. In which Hijri year was the prohibition of alcohol (Khamr) revealed in Islam?
    Answer: 4th Hijri
  15. What was the total duration of the caliphate of Hazrat Abu Bakr Siddique (R.A)?
    Answer: 2 Years and 3 Months
  16. Which Quranic Surah contains detailed rules regarding inheritance (Miras)?
    Answer: Surah An-Nisa
  17. Who established the first formal police system (Ahd-al-Shurta) in Islamic administration?
    Answer: Hazrat Umar Farooq (R.A)
  18. What is the literal meaning of the Islamic term “Ijtihad”?
    Answer: To strive or exert utmost effort
  19. Which companion was known as the “Poet of the Prophet” (Shair-ur-Rasool)?
    Answer: Hazrat Hassan ibn Thabit (R.A)
  20. In which Islamic month did the Battle of Badr take place?
    Answer: 17th Ramadan

2. Pakistan Studies

  1. Who was the founder of the Dawn newspaper in 1941?
    Answer: Quaid-e-Azam Muhammad Ali Jinnah
  2. In which year was the Simla Agreement signed between Pakistan and India?
    Answer: 1972
  3. Who served as the first Speaker of the National Assembly of Pakistan?
    Answer: Maulvi Tamizuddin Khan
  4. What was the total allocation period of the First Five-Year Plan of Pakistan?
    Answer: 1955 to 1960
  5. Which constitutional package introduced the system of Separate Electorates in British India?
    Answer: Minto-Morley Reforms (1909)
  6. Who was the Foreign Minister of Pakistan during the 1965 War?
    Answer: Zulfikar Ali Bhutto
  7. What is the total length of Pakistan’s land border with Iran?
    Answer: Approximately 909 Kilometers
  8. Which mountain peak in Pakistan is known as the “Killer Mountain”?
    Answer: Nanga Parbat
  9. Which agreement formally ended the 1965 Indo-Pak War?
    Answer: Tashkent Declaration (1966)
  10. In which year was the Council of Islamic Ideology (CII) established in Pakistan?
    Answer: 1962
  11. Who authored the famous book “Struggle for Pakistan”?
    Answer: Ishtiaq Hussain Qureshi (I. H. Qureshi)
  12. Which canal connects the Chenab River with the Ravi River in Punjab?
    Answer: Marala-Ravi (M-R) Link Canal
  13. Which pass connects Dera Ismail Khan with Ghazni in Afghanistan?
    Answer: Gomal Pass
  14. Where is the famous archaeological site “Kot Diji” located?
    Answer: Khairpur District, Sindh
  15. What is the name of the salt mine located in the Jhelum District of Punjab?
    Answer: Khewra Salt Mine
  16. In which year was the State Bank of Pakistan inaugurated by Quaid-e-Azam?
    Answer: 1st July 1948
  17. Who was the first female Speaker of the National Assembly of Pakistan?
    Answer: Fehmida Mirza
  18. Which barrage on the Indus River feeds the Guddu thermal ecosystem and canals?
    Answer: Guddu Barrage
  19. In which year was the All India Muslim Students Federation formed?
    Answer: 1937
  20. Who was appointed as the chairman of the Boundary Commission in 1947?
    Answer: Sir Cyril Radcliffe

3. General Knowledge

  1. Which active volcano in Italy destroyed the ancient Roman city of Pompeii?
    Answer: Mount Vesuvius
  2. What is the capital city of Kenya?
    Answer: Nairobi
  3. Which sea lies between Southern Europe and Northern Africa?
    Answer: Mediterranean Sea
  4. What is the official currency of South Africa?
    Answer: South African Rand (ZAR)
  5. Which country is known as the “Land of White Elephants”?
    Answer: Thailand
  6. What is the chemical formula of Table Salt?
    Answer: $NaCl$ (Sodium Chloride)
  7. Which line marks the latitude $23.5^\circ$ North of the Equator?
    Answer: Tropic of Cancer
  8. What is the capital city of Vietnam?
    Answer: Hanoi
  9. Which international body manages global rules of aviation and flight safety?
    Answer: ICAO (International Civil Aviation Organization)
  10. What is the SI unit of luminous intensity?
    Answer: Candela (cd)
  11. Which island group in the Indian Ocean comprises over 1,100 coral islands?
    Answer: Maldives
  12. What is the official currency of Turkey?
    Answer: Turkish Lira (TRY)
  13. Which organ in the human body purifies blood and filters waste products?
    Answer: Kidney
  14. Where is the headquarters of the World Trade Organization (WTO) located?
    Answer: Geneva, Switzerland
  15. Which strait separates the island of Sumatra from the Malay Peninsula?
    Answer: Strait of Malacca
  16. What is the capital city of New Zealand?
    Answer: Wellington
  17. Which country possesses the largest proven oil reserves in the world?
    Answer: Venezuela
  18. What is the main gas present in natural gas (Sui gas)?
    Answer: Methane ($CH_4$)
  19. Where is the headquarters of Transparency International located?
    Answer: Berlin, Germany
  20. Which country is known as the “Cockpit of Europe”?
    Answer: Belgium

4. English

  1. Choose the correct Synonym for “Eradicate”:
    Answer: Eliminate / Destroy
  2. Choose the correct Synonym for “Fastidious”:
    Answer: Hard to please / Meticulous
  3. Choose the correct Antonym for “Sovereign”:
    Answer: Dependent / Subordinate
  4. Choose the correct Antonym for “Transient”:
    Answer: Permanent / Enduring
  5. Fill in the blank: “He is devoid ______ any hesitation in making technical field decisions.”
    Answer: of
  6. Fill in the blank: “The Line Superintendent acceded ______ the sub-divisional manager’s request.”
    Answer: to
  7. Fill in the blank: “She persevered ______ her electrical engineering supervision duties.”
    Answer: in
  8. Identify the correctly spelled word:
    Answer: Guarantee
  9. Identify the correctly spelled word:
    Answer: Hierarchy
  10. Change into Passive Voice: “The Line Superintendent submitted the transformer load breakdown report.”
    Answer: The transformer load breakdown report was submitted by the Line Superintendent.
  11. Change into Indirect Speech: “He said, ‘We must clear the feeder line fault immediately.'”
    Answer: He said that they had to clear the feeder line fault immediately.
  12. What is the plural form of the word “Hypothesis”?
    Answer: Hypotheses
  13. What is the singular form of the word “Alumni”?
    Answer: Alumnus
  14. Complete the sentence: “Hardly had the Line Superintendent arrived ______ the breaker tripped.”
    Answer: when
  15. Complete the sentence: “If I ______ the feeder diagram, I would isolate the faulty sub-station sector.”
    Answer: had
  16. What does the idiom “Burn the midnight oil” mean?
    Answer: To work or study late into the night
  17. What does the idiom “Take with a grain of salt” mean?
    Answer: To view something with skepticism or doubt
  18. Choose the correct article: “He is ______ experienced Line Superintendent.”
    Answer: an
  19. What is the superlative degree of the adjective “Little”?
    Answer: Least
  20. Choose the correct word: “Neither of the two Line Superintendents ______ present during the feeder inspection.”
    Answer: was

5. Job Related (Line Superintendent Supervision, Grid Maintenance & Power Distribution)

  1. What instrument is used by a Line Superintendent to measure phase-to-phase insulation resistance on an 11 kV line before re-energizing?
    Answer: 5000V Motorized/Digital Megger
  2. What type of transformer protection relay is operated by gas accumulation during internal electrical arc faults?
    Answer: Buchholz Relay
  3. What is the primary function of a “Gang Operated Switch” (GOS) installed on an 11 kV pole structure?
    Answer: Simultaneous 3-phase manual air-break isolation of line section under load-free conditions
  4. What parameter determines the choice of conductor size (e.g., ACSR Dog, Panther) for a high-tension feeder?
    Answer: Current-carrying capacity (Amperage) and permissible voltage drop over distance
  5. What is the purpose of installing a “CT” (Current Transformer) in an 11 kV grid outgoing panel?
    Answer: Stepping down high primary current to low secondary value (1A or 5A) for metering and protective relays
  6. What is the standard primary voltage rating of an distribution substation transformer in Pakistan’s DISCOs?
    Answer: 11,000 Volts (11 kV)
  7. What supervisory log is maintained under the Line Superintendent to record daily feeder load and tripping details?
    Answer: Feeder Tripping & Sub-Division Maintenance Log
  8. What is the primary cause of “Ferranti Effect” observed on long un-loaded high-voltage distribution/transmission lines?
    Answer: Line capacitance causing receiving-end voltage to become higher than sending-end voltage
  9. What chemical reagent is added inside transformer breather assemblies to absorb atmospheric moisture?
    Answer: Silica Gel
  10. What is the maximum permitted neutral-to-earth voltage in a well-grounded 3-phase distribution transformer system?
    Answer: Less than 2 Volts
  11. What device protects 11 kV overhead distribution lines against high-voltage lightning switching surges?
    Answer: Surge Arrester / Lightning Arrester (LA)
  12. What procedure must an LS perform if an 11 kV feeder trips repeatedly on “Earth Fault” immediately after restoration?
    Answer: Sectionalizing the feeder line section by section using GOS isolators to identify fault location
  13. What type of cable insulation is standardly used for underground 11 kV distribution networks?
    Answer: XLPE (Cross-Linked Polyethylene) Insulated Armored Cable
  14. What equation gives the relation between Line Voltage ($V_L$) and Phase Voltage ($V_{ph}$) in a 3-phase Star-connected system?
    Answer: $V_L = \sqrt{3} \times V_{ph}$
  15. What official safety permit document must be issued by the Line Superintendent before permitting line crew to climb an isolated 11 kV pole?
    Answer: PTW (Permit to Work)
  16. What component on a 11 kV/415V distribution transformer allows manual adjustment of output secondary voltage levels?
    Answer: Off-Load Tap Changer
  17. What is the primary function of a “Potential Transformer” (PT) in high-voltage sub-stations?
    Answer: Stepping down high line voltage to safe standard secondary level (110V) for measurement and relays
  18. What phenomenon causes localized surface burning and tracking across porcelain insulators under polluted moist air conditions?
    Answer: Flashover / Creepage Discharge
  19. What color indicates that Silica Gel inside a transformer breather has absorbed maximum moisture and requires replacement/reactivation?
    Answer: Pink (turns from original Deep Blue color)
  20. What is the mandatory immediate safety action to be taken after de-energizing an 11 kV line section under a PTW?
    Answer: Discharge residual capacitive charge and apply solid Portable Grounding Leads on both sides of the work site
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LINE SUPERINTENDENT (LS-I / LS-II) – MODEL PAPER 3

1. Islamic Studies

  1. What was the name of the pact signed between Holy Prophet Muhammad (PBUH) and the tribes of Madinah during the Hajj season before Hijrah?
    Answer: Bai’at-e-Uqbah (Pledge of Aqabah)
  2. How many total Takbeers are recited in Namaz-e-Khasoof (Solar/Lunar Eclipse Prayer)?
    Answer: Standard prayer format offered with regular Takbeers
  3. Who was appointed as the third Caliph of Islam?
    Answer: Hazrat Usman Ghani (R.A)
  4. In which Hijri year was the Battle of Nihavand fought, known as “Fath-ul-Futuh” (Victory of Victories)?
    Answer: 21st Hijri
  5. Which Surah of the Holy Quran is named after “The Dawn”?
    Answer: Surah Al-Fajr
  6. What was the real name of Hazrat Abu Bakr Siddique (R.A)?
    Answer: Abdullah ibn Abi Quhafah
  7. Which companion of Holy Prophet Muhammad (PBUH) was known as “Katib-e-Wahi” (Chief Scribe of Revelation)?
    Answer: Hazrat Zaid bin Thabit (R.A)
  8. In which year of Hijrah did the Conquest of Khyber take place?
    Answer: 7th Hijri
  9. How many obligatory acts (Farz) are performed during Ghusl?
    Answer: 3 Farz acts
  10. What is the Nisab limit of goats/sheep for Zakat applicability?
    Answer: 40 Goats / Sheep
  11. Which Surah of the Holy Quran is known as “Surah Al-Masaabih”?
    Answer: Surah Fussilat (also linked with Surah Al-Mulk)
  12. Who was the chief flag bearer of the Muslim army in the Battle of Badr?
    Answer: Hazrat Mus’ab ibn Umair (R.A)
  13. How many times is the name of Prophet Ibrahim (A.S) mentioned in the Holy Quran?
    Answer: 69 Times
  14. In which Hijri year was the obligation of Hajj ordained?
    Answer: 9th Hijri
  15. What was the total duration of the caliphate of Hazrat Ali (R.A)?
    Answer: Approximately 4 Years and 9 Months
  16. Which Quranic Surah contains detailed rules regarding orphan rights and inheritance distribution?
    Answer: Surah An-Nisa
  17. Who established the formal Islamic Calendar starting from the year of Hijrah?
    Answer: Hazrat Umar Farooq (R.A)
  18. What is the literal meaning of the Islamic term “Fiqh”?
    Answer: Deep understanding or comprehension
  19. Which companion was given the title “Saifullah” (Sword of Allah)?
    Answer: Hazrat Khalid bin Waleed (R.A)
  20. In which Islamic month was the treaty of Hudaybiyyah agreed upon?
    Answer: Dhu al-Qadah (6th Hijri)

2. Pakistan Studies 

  1. Who was the editor of the famous Comrade newspaper during the Khilafat Movement?
    Answer: Maulana Mohammad Ali Jauhar
  2. In which year was the Simla Agreement signed between Pakistan and India?
    Answer: 1972 (2nd July)
  3. Who served as the first Chairman of the Senate of Pakistan?
    Answer: Khan Habibullah Khan Marwat
  4. What was the total allocation period of the Fourth Five-Year Plan of Pakistan?
    Answer: 1970 to 1975
  5. Which constitutional reforms introduced the system of Dyarchy in provincial governments of British India?
    Answer: Montagu-Chelmsford Reforms (1919)
  6. Who was the Prime Minister of Pakistan during the 1956 Constitution enforcement?
    Answer: Chaudhry Muhammad Ali
  7. What is the total length of Pakistan’s coastline along the Arabian Sea?
    Answer: Approximately 1,046 Kilometers
  8. Which mountain peak in Pakistan is known as “Broad Peak”?
    Answer: K3 (8,051 meters high)
  9. Which agreement established the cease-fire line in Kashmir in 1949?
    Answer: Karachi Agreement
  10. In which year was the Federal Shariat Court established in Pakistan?
    Answer: 1980
  11. Who authored the famous historical book “Pakistan: The Formative Phase”?
    Answer: Khalid bin Sayeed
  12. Which headworks/barrage feeds the Upper Chenab Canal system in Punjab?
    Answer: Marala Headworks
  13. Which mountain pass connects Swat with Dir?
    Answer: Karakar Pass
  14. Where is the famous archaeological site “Ranikot Fort” located?
    Answer: Jamshoro District, Sindh
  15. What is the name of the major coalfield located in the Tharparkar district of Sindh?
    Answer: Thar Coalfield
  16. In which year was the Agricultural Development Bank of Pakistan (ZTBL) established?
    Answer: 1961
  17. Who was the first female Governor of the State Bank of Pakistan?
    Answer: Dr. Shamshad Akhtar
  18. Which barrage on the Indus River feeds the Rohri Canal in Sindh?
    Answer: Sukkur Barrage
  19. In which year was the London Branch of the All-India Muslim League established by Syed Ameer Ali?
    Answer: 1908
  20. Who was the British Prime Minister during the passage of the Indian Independence Act 1947?
    Answer: Clement Attlee

3. General Knowledge 

  1. Which active volcano in Japan is the highest peak in the country?
    Answer: Mount Fuji
  2. What is the capital city of Ethiopia?
    Answer: Addis Ababa
  3. Which sea lies between the Korean Peninsula and mainland China?
    Answer: Yellow Sea
  4. What is the official currency of Poland?
    Answer: Polish Złoty (PLN)
  5. Which country is known as the “Land of Thunderbolts”?
    Answer: Bhutan
  6. What is the chemical name of Baking Soda?
    Answer: Sodium Bicarbonate ($NaHCO_3$)
  7. Which imaginary circle line marks the latitude $23.5^\circ$ South of the Equator?
    Answer: Tropic of Capricorn
  8. What is the capital city of Colombia?
    Answer: Bogotá
  9. Which international body oversees global maritime trade and shipping safety?
    Answer: IMO (International Maritime Organization)
  10. What is the SI unit of frequency?
    Answer: Hertz (Hz)
  11. Which archipelago nation in Southeast Asia consists of over 17,000 islands?
    Answer: Indonesia
  12. What is the official currency of Nigeria?
    Answer: Nigerian Naira (NGN)
  13. Which organ in the human body secretes bile juice for digestion?
    Answer: Liver
  14. Where is the headquarters of the International Atomic Energy Agency (IAEA) located?
    Answer: Vienna, Austria
  15. Which narrow body of water connects the Persian Gulf to the Gulf of Oman?
    Answer: Strait of Hormuz
  16. What is the capital city of Finland?
    Answer: Helsinki
  17. Which country is the largest producer of natural rubber in the world?
    Answer: Thailand
  18. What is the chemical symbol for Gold?
    Answer: Au
  19. Where is the headquarters of the World Intellectual Property Organization (WIPO) located?
    Answer: Geneva, Switzerland
  20. Which city is historically known as the “City of Seven Hills”?
    Answer: Rome, Italy

4. English 

  1. Choose the correct Synonym for “Abate”:
    Answer: Decrease / Subside
  2. Choose the correct Synonym for “Sagacious”:
    Answer: Wise / Insightful
  3. Choose the correct Antonym for “Obdurate”:
    Answer: Flexible / Yielding
  4. Choose the correct Antonym for “Ephemeral”:
    Answer: Long-lasting / Permanent
  5. Fill in the blank: “The Line Superintendent is absorbed ______ sub-divisional line supervision.”
    Answer: in
  6. Fill in the blank: “She catered ______ all technical queries regarding distribution losses.”
    Answer: to
  7. Fill in the blank: “He complied ______ the safety codes laid down by WAPDA.”
    Answer: with
  8. Identify the correctly spelled word:
    Answer: Questionnaire
  9. Identify the correctly spelled word:
    Answer: Surveillance
  10. Change into Passive Voice: “The Line Superintendent inspected the distribution transformer structure.”
    Answer: The distribution transformer structure was inspected by the Line Superintendent.
  11. Change into Indirect Speech: “He said, ‘Honesty is the best policy.'”
    Answer: He said that honesty is the best policy.
  12. What is the plural form of the word “Curriculum”:
    Answer: Curricula / Curriculums
  13. What is the singular form of the word “Data”:
    Answer: Datum
  14. Complete the sentence: “No sooner had the LS issued the PTW ______ the maintenance crew climbed the pole.”
    Answer: than
  15. Complete the sentence: “If I ______ the megger insulation tester, I would test the 11 kV line.”
    Answer: had
  16. What does the idiom “To add fuel to the fire” mean?
    Answer: To make an argument or bad situation worse
  17. What does the idiom “To throw cold water on” mean?
    Answer: To discourage a plan or idea
  18. Choose the correct article: “He is ______ Sub-Divisional Line Superintendent.”
    Answer: a
  19. What is the comparative degree of the adjective “Far” (for physical distance)?
    Answer: Farther
  20. Choose the correct word: “Neither of the two Line Superintendents ______ present at the grid site.”
    Answer: was

5. Job Related (Line Superintendent Supervision, Grid Maintenance & Power Distribution)

  1. What protective device operates on internal gas pressure build-up inside oil-immersed power transformers?
    Answer: Buchholz Relay
  2. What is the standard nominal voltage rating of an 11 kV primary distribution line in DISCOs?
    Answer: 11,000 Volts (Phase-to-Phase)
  3. What is the main structural function of an “A-Pole” or “H-Pole” assembly in distribution networks?
    Answer: Providing mechanical stability at line corners, terminal points, or supporting heavy distribution transformers
  4. What formula determines the total 3-phase Apparent Power ($S$) in kilovolt-amperes ($\text{kVA}$)?
    Answer: $S = \sqrt{3} \times V_L \times I_L \div 1000$
  5. What type of fault occurs when two phase conductors snap and contact the neutral wire simultaneously?
    Answer: Double Line-to-Ground Fault (LLG Fault)
  6. What supervisory document is prepared by a Line Superintendent to record material issued for line construction?
    Answer: Store Indent / Material Requisition Form (CP-25)
  7. What electrical test measures the ratio of primary turns to secondary turns on a distribution transformer?
    Answer: Turns Ratio Test (TTR Test)
  8. What is the purpose of installing a “Neutral Grounding Resistor” (NGR) in sub-station transformer neutrals?
    Answer: Limiting ground-fault current to safe levels during earth fault conditions
  9. What causes “Voltage Unbalance” in a 3-phase 4-wire low-tension distribution line?
    Answer: Unequal single-phase load connection across the three phases (Red, Yellow, Blue)
  10. What parameter on a distribution transformer indicates the percentage of full-load voltage drop across internal impedance?
    Answer: Percentage Impedance ($\%Z$)
  11. What official safety protocol requires a Line Superintendent to verify that a line is de-energized before issuing a PTW?
    Answer: Live-Line Testing and Solid Safety Grounding Verification
  12. What component isolates individual sub-branches on an 11 kV feeder line without opening the main grid breaker?
    Answer: Sectionalizer / Gang Operated Switch (GOS)
  13. What type of surge protection device protects sub-station busbars against high-voltage atmospheric lightning?
    Answer: Station-Class Surge Arrester (LA)
  14. What is the main function of an “Auto-Recloser” installed on long rural 11 kV distribution feeders?
    Answer: Automatically clearing temporary line faults and restoring power without manual intervention
  15. What insulating medium is used in modern 11 kV vacuum circuit breakers (VCB) to extinguish electrical arcs?
    Answer: High Vacuum Chamber
  16. What electrical instrument is used by an LS to measure current in an energized 11 kV line conductor safely from a distance?
    Answer: High-Voltage Clamp Meter / Hot-Stick Ammeter
  17. What is the purpose of performing a “Phasing-Out Test” before connecting two 11 kV feeders in parallel?
    Answer: Verifying matching phase sequence (R-R, Y-Y, B-B) to prevent catastrophic inter-phase short circuits
  18. What official log maintains a detailed record of daily transformer burnouts, replacements, and repairs in a Sub-Division?
    Answer: Transformer Replacement & Damage Register
  19. What maximum permissible limit of earth resistance is mandated for high-voltage grid sub-station grounding mats?
    Answer: Less than 1 Ohm
  20. What safety procedure must be strictly completed by the Line Superintendent upon termination of maintenance work?
    Answer: Removal of all local grounding leads, cancellation of PTW from Grid Station, and formal Restoration Order issuance
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LINE SUPERINTENDENT (LS-I / LS-II) – MODEL PAPER 4

1. Islamic Studies 

  1. What was the name of the agreement signed between Holy Prophet Muhammad (PBUH) and the Jewish tribes of Madinah after Hijrah?
    Answer: Misaq-e-Madinah (Charter of Madinah)
  2. How many total Takbeers are recited in both rak’ahs of Eid prayers according to Hanafi jurisprudence?
    Answer: 6 Additional Takbeers
  3. Who was appointed as the second Caliph of Islam by Hazrat Abu Bakr Siddique (R.A)?
    Answer: Hazrat Umar Farooq (R.A)
  4. In which Hijri year was the Battle of Qadisiyyah fought against the Sassanid Persian Empire?
    Answer: 14th Hijri
  5. Which Surah of the Holy Quran is named after “The Cave”?
    Answer: Surah Al-Kahf
  6. What was the real name of Hazrat Abu Hurairah (R.A), the famous narrator of Ahadith?
    Answer: Abd al-Rahman ibn Sakhr
  7. Which companion of Holy Prophet Muhammad (PBUH) was known as “Sayyid-ush-Shuhada” (Leader of Martyrs)?
    Answer: Hazrat Hamza ibn Abdul-Muttalib (R.A)
  8. In which year of Hijrah did Holy Prophet Muhammad (PBUH) perform Hajjat-ul-Wada (Farewell Pilgrimage)?
    Answer: 10th Hijri
  9. How many obligatory acts (Farz) are performed during Tayammum?
    Answer: 3 Farz acts
  10. What is the Nisab limit of camels for Zakat applicability?
    Answer: 5 Camels
  11. Which Surah of the Holy Quran is known as “Surah Al-Tawheed”?
    Answer: Surah Al-Ikhlas
  12. Who was the chief commander of the Muslim army during the Conquest of Makkah?
    Answer: Holy Prophet Muhammad (PBUH)
  13. How many times is the name of Prophet Musa (A.S) mentioned in the Holy Quran?
    Answer: 136 Times
  14. In which Hijri year was Fasting in Ramadan made an obligatory duty?
    Answer: 2nd Hijri
  15. What was the total duration of the caliphate of Hazrat Usman Ghani (R.A)?
    Answer: Approximately 12 Years
  16. Which Quranic Surah contains the complete rules and laws regarding divorce?
    Answer: Surah At-Talaq
  17. Who was the founder of the Umayyad Dynasty in Islamic history?
    Answer: Hazrat Amir Muawiyah (R.A)
  18. What is the literal meaning of the Islamic term “Hadith”?
    Answer: Speech, statement, or narrative
  19. Which companion was given the title “Amin-ul-Ummah” (Trustee of the Nation)?
    Answer: Hazrat Abu Ubaidah ibn al-Jarrah (R.A)
  20. In which Islamic month did the Conquest of Makkah take place?
    Answer: Ramadan (8th Hijri)
2. Pakistan Studies (20 Marks)
  1. Who was the founder of the Zamindar newspaper during the Pakistan Movement?
    Answer: Maulana Zafar Ali Khan
  2. In which year was the Tashkent Declaration signed between Pakistan and India?
    Answer: 1966 (10th January)
  3. Who served as the first Chief Election Commissioner of Pakistan?
    Answer: F. M. Khan
  4. What was the total allocation period of the Third Five-Year Plan of Pakistan?
    Answer: 1965 to 1970
  5. Which constitutional reforms introduced the system of bicameral legislature in British India for the first time?
    Answer: Government of India Act 1919
  6. Who was the Prime Minister of Pakistan when the 1973 Constitution was unanimously passed?
    Answer: Zulfikar Ali Bhutto
  7. What is the total length of Pakistan’s land border with China?
    Answer: Approximately 592 Kilometers
  8. Which mountain peak in Pakistan is locally called “K2”?
    Answer: Mount Godwin-Austen (Chogori)
  9. Which pact was signed in 1950 between Pakistan and India regarding minority rights?
    Answer: Liaquat-Nehru Pact
  10. In which year was the National Accountability Bureau (NAB) established in Pakistan?
    Answer: 1999
  11. Who authored the famous historical book “Pakistan: The Heart of Asia”?
    Answer: Liaquat Ali Khan
  12. Which canal links the Jhelum River with the Chenab River in Punjab’s canal grid?
    Answer: Upper Jhelum Canal
  13. Which mountain pass connects Chitral with Afghanistan?
    Answer: Dorah Pass
  14. Where is the famous archaeological site “Taxila” located?
    Answer: Rawalpindi District, Punjab
  15. What is the name of the main natural gas field discovered in Balochistan in 1952?
    Answer: Sui Gas Field
  16. In which year was the Pakistan Industrial Development Corporation (PIDC) established?
    Answer: 1952
  17. Who was the first female Governor of any province in Pakistan?
    Answer: Begum Ra’ana Liaquat Ali Khan (Governor of Sindh)
  18. Which barrage on the Indus River feeds the Thal Canal system in Punjab?
    Answer: Jinnah Barrage
  19. In which year was the All-India Muslim League headquarters shifted from Aligarh to Lucknow?
    Answer: 1910
  20. Who was the last Viceroy of British India before independence?
    Answer: Lord Mountbatten

3. General Knowledge 

  1. Which famous volcano in Indonesia erupted in 1883, causing one of the loudest sounds in recorded history?
    Answer: Krakatoa
  2. What is the capital city of Ghana?
    Answer: Accra
  3. Which sea lies between Saudi Arabia and Egypt?
    Answer: Red Sea
  4. What is the official currency of Switzerland?
    Answer: Swiss Franc (CHF)
  5. Which country is known as the “Land of Morning Calm”?
    Answer: South Korea
  6. What is the chemical formula of Caustic Soda?
    Answer: $NaOH$ (Sodium Hydroxide)
  7. Which imaginary circle line marks the latitude $66.5^\circ$ South of the Equator?
    Answer: Antarctic Circle
  8. What is the capital city of Chile?
    Answer: Santiago
  9. Which international agency manages global postal regulations and cooperation?
    Answer: Universal Postal Union (UPU)
  10. What is the SI unit of work and energy?
    Answer: Joule (J)
  11. Which island nation in the Indian Ocean has its capital at Port Louis?
    Answer: Mauritius
  12. What is the official currency of Indonesia?
    Answer: Indonesian Rupiah (IDR)
  13. Which gland in the human body regulates metabolism through thyroxine production?
    Answer: Thyroid Gland
  14. Where is the headquarters of the United Nations Environment Programme (UNEP) located?
    Answer: Nairobi, Kenya
  15. Which narrow strait separates Spain from Morocco?
    Answer: Strait of Gibraltar
  16. What is the capital city of Australia?
    Answer: Canberra
  17. Which country produces the largest quantity of tea in the world?
    Answer: China
  18. What is the chemical symbol for Silver?
    Answer: Ag
  19. Where is the headquarters of the Organization of Islamic Cooperation (OIC) located?
    Answer: Jeddah, Saudi Arabia
  20. Which city is historically known as the “Eternal City”?
    Answer: Rome, Italy

4. English 

  1. Choose the correct Synonym for “Abundant”:
    Answer: Plentiful / Copious
  2. Choose the correct Synonym for “Candid”:
    Answer: Frank / Outspoken
  3. Choose the correct Antonym for “Genuine”:
    Answer: Fake / Counterfeit
  4. Choose the correct Antonym for “Miser”:
    Answer: Spendthrift / Generous
  5. Fill in the blank: “The Line Superintendent is proficient ______ line loss analysis and grid safety supervision.”
    Answer: in
  6. Fill in the blank: “The sub-divisional officer presided ______ the line breakdown inquiry meeting.”
    Answer: over
  7. Fill in the blank: “He is accustomed ______ supervising technical field operations under extreme weather.”
    Answer: to
  8. Identify the correctly spelled word:
    Answer: Maintenance
  9. Identify the correctly spelled word:
    Answer: Privilege
  10. Change into Passive Voice: “The Line Superintendent verified the feeder load balance.”
    Answer: The feeder load balance was verified by the Line Superintendent.
  11. Change into Indirect Speech: “The Line Superintendent said, ‘I am checking the cable insulation resistance.'”
    Answer: The Line Superintendent said that he was checking the cable insulation resistance.
  12. What is the plural form of the word “Crisis”?
    Answer: Crises
  13. What is the singular form of the word “Memoranda”?
    Answer: Memorandum
  14. Complete the sentence: “Scarcely had the Line Superintendent verified the earthing ______ he authorized the PTW.”
    Answer: when
  15. Complete the sentence: “Had he checked the tap changer setting, the voltage drop ______ prevented.”
    Answer: would have been
  16. What does the idiom “To spill the beans” mean?
    Answer: To reveal a secret prematurely
  17. What does the idiom “To hit the nail on the head” mean?
    Answer: To state or do something with exact precision
  18. Choose the correct article: “He is ______ LS-I stationed at the grid sub-division.”
    Answer: an
  19. What is the superlative degree of the adjective “Bad”?
    Answer: Worst
  20. Choose the correct word: “Neither the Line Superintendent nor the line crew ______ present at the fault site.”
    Answer: were
5. Job Related (Line Superintendent Supervision, Grid Maintenance & Power Distribution)
  1. What protective relay detects internal insulation breakdown in oil-filled power transformers by monitoring oil surge speed?
    Answer: Buchholz Relay (Surge Element)
  2. What is the standard nominal secondary voltage of a Potential Transformer (PT) used for 11 kV grid metering?
    Answer: 110 Volts AC (Phase-to-Phase)
  3. What equation expresses Ohm’s Law for calculating current ($I$) in a single-phase AC circuit with impedance ($Z$)?
    Answer: $I = \frac{V}{Z}$
  4. What type of line fault occurs when all three phase conductors collapse onto the grounded iron cross-arm simultaneously?
    Answer: Three-Phase-to-Ground Fault (Symmetrical Earth Fault)
  5. What supervisory register is maintained by an LS to track consumer service line connection extensions and material consumption?
    Answer: Service Connection Register & Material Utilization Register (CP-11)
  6. What device is installed on 11 kV overhead distribution feeders to automatically clear temporary transient faults?
    Answer: Auto-Recloser
  7. What electrical test determines the dielectric breakdown strength of distribution transformer oil?
    Answer: Oil Breakdown Voltage Test (BDV Test using standard 2.5 mm gap electrode cell)
  8. What is the main cause of “Corona Effect” or hissing sound along high-voltage transmission lines during high humidity?
    Answer: High electric field intensity ionizing surrounding air dielectric
  9. What formula is used to calculate the Power Factor ($\cos\phi$) of a 3-phase load?
    Answer: $\cos\phi = \frac{\text{Active Power (kW)}}{\text{Apparent Power (kVA)}}$
  10. What component on a 11 kV Vacuum Circuit Breaker (VCB) isolates the circuit breaker mechanism physically from live busbars for safe maintenance?
    Answer: Breaker Rack-Out Mechanism / Draw-Out Isolating Contacts
  11. What supervisory duty must a Line Superintendent perform prior to countersigning a new line energization certificate?
    Answer: Physical inspection of ground clearance, insulation meggering, phase alignment, and safety earthing clearance
  12. What protective component prevents dangerous high-voltage switching surges from damaging sub-station busbars?
    Answer: Station-Class Lightning / Surge Arrester (LA)
  13. What type of transformer oil test measures the presence of dissolved moisture, sludge, and acidic oxidation byproducts?
    Answer: Neutralization Value (Acidity) & Moisture Content (PPM) Analysis
  14. What is the main structural function of installing a “Guy / Stay Assembly” on a 90-degree corner distribution pole?
    Answer: Counteracting mechanical line tension vectors to prevent pole tilting or breakage
  15. What parameter causes excessive heating in distribution transformer neutral conductors?
    Answer: High 3rd-harmonic currents caused by non-linear electronic loads and severe phase load unbalance
  16. What electrical instrument is used by an LS to measure high-voltage conductor surface temperature from the ground to locate loose joints?
    Answer: Thermal Imaging Camera / Infrared Pyrometer
  17. What is the primary purpose of conducting a “Phase Sequence Test” before commissioning a 3-phase commercial industrial connection?
    Answer: Ensuring correct motor rotation direction (A-B-C / R-Y-B phase sequence)
  18. What official report must be generated by a Line Superintendent following an un-programmed 11 kV feeder trip?
    Answer: Feeder Interruption & Breakdown Report (CP-14 / Tripping Log)
  19. What maximum earth resistance value is permissible for a 11 kV/415V distribution transformer earth pit?
    Answer: Less than 5 Ohms (Ideally below 1 Ohm)
  20. What essential safety procedure must be strictly completed by the Line Superintendent after finishing 11 kV line repairs?
    Answer: Removal of all safety earthing leads, verification of line clearance, cancellation of PTW from Grid Station, and issuing re-energization clearance

LINE SUPERINTENDENT (LS-I / LS-II) – MODEL PAPER 5

1. Islamic Studies 

  1. What was the name of the foster sister of Holy Prophet Muhammad (PBUH)?
    Answer: Hazrat Sheema (R.A)
  2. At what age did Holy Prophet Muhammad (PBUH) participate in Harb-ul-Fijar?
    Answer: 15 Years
  3. In which year of Nabuwwat did the incident of Mi’raj take place?
    Answer: 10th Year of Nabuwwat
  4. Who was the second adult male to embrace Islam after Hazrat Abu Bakr (R.A)?
    Answer: Hazrat Zaid bin Harithah (R.A)
  5. What is the literal meaning of the word “Sawm” (Fasting)?
    Answer: To abstain or refrain
  6. Which Prophet is titled “Jad-ul-Anbiya” (Grandfather of the Prophets)?
    Answer: Hazrat Ibrahim (A.S)
  7. How many verses (Ayaat) are in Surah Al-Ikhlas?
    Answer: 4 Ayaat
  8. In which Hijri year was the Battle of Tabuk fought?
    Answer: 9th Hijri
  9. How many Wajib acts are performed during Hajj?
    Answer: 6 Wajib acts
  10. What is the Nisab threshold for gold in terms of grams?
    Answer: 87.48 Grams (approx. 7.5 Tolas)
  11. Which Surah of the Holy Quran is known as “Umm-ul-Kitab”?
    Answer: Surah Al-Fatiha
  12. Who was chosen to carry the official letter of Islam to the Emperor of Rome (Heraclius)?
    Answer: Hazrat Dihyah al-Kalbi (R.A)
  13. How many Surahs in the Holy Quran are classified as Madani Surahs?
    Answer: 28 Surahs
  14. What was the name of the grandfather of Holy Prophet Muhammad (PBUH)?
    Answer: Hazrat Abdul Muttalib
  15. In which battle was the famous companion Hazrat Hamza (R.A) martyred?
    Answer: Battle of Uhud
  16. What is the rate of Ushr on artificially irrigated agricultural land (using canals/wells)?
    Answer: 5% (One-twentieth)
  17. Which Surah of the Holy Quran is named after an insect (The Bee)?
    Answer: Surah An-Nahl
  18. What was the main condition agreed upon in the Treaty of Hudaybiyyah regarding pilgrims?
    Answer: Muslims would return that year and perform Umrah the following year
  19. Which Prophet is titled “Kalimullah” (One who spoke with Allah)?
    Answer: Hazrat Musa (A.S)
  20. Which Surah of the Holy Quran contains two Bismillahs?
    Answer: Surah An-Naml

2. Pakistan Studies 

  1. Who founded the Central National Muhammadan Association in Calcutta in 1877?
    Answer: Syed Ameer Ali
  2. In which year was the Simla Deputation presented to Lord Minto?
    Answer: 1906 (1st October)
  3. Who was the second Prime Minister of Pakistan?
    Answer: Khawaja Nazimuddin
  4. What was the official title given to the constitution-making assembly formed in 1955?
    Answer: Second Constituent Assembly of Pakistan
  5. Which constitutional reforms introduced “Dyarchy” in the provinces of British India?
    Answer: Montagu-Chelmsford Reforms (1919)
  6. Who was the Prime Minister of Pakistan during the 1971 Indo-Pak War?
    Answer: Nurul Amin
  7. What is the total length of the Durand Line (Pakistan-Afghanistan border)?
    Answer: Approximately 2,611 Kilometers
  8. Which mountain peak in Pakistan is locally known as “Chogori”?
    Answer: K2 (8,611 meters)
  9. Which pact was signed in 1955 making Pakistan a member of CENTO?
    Answer: Baghdad Pact
  10. In which year was the Federal Shariat Court of Pakistan established?
    Answer: 1980
  11. Who authored the famous historical book “Pakistan: The Formative Phase”?
    Answer: Khalid bin Sayeed
  12. Which headworks feeds the Upper Chenab Canal system in Punjab?
    Answer: Marala Headworks
  13. Which mountain pass connects Swat with Gilgit-Baltistan?
    Answer: Shandur Pass
  14. Where is the famous archaeological site “Mohenjo-daro” located?
    Answer: Larkana District, Sindh
  15. What is the name of the main coal deposit located in Tharparkar, Sindh?
    Answer: Thar Coalfield
  16. In which year was the Agricultural Development Bank of Pakistan (ZTBL) established?
    Answer: 1961
  17. Who was the first female Governor of the State Bank of Pakistan?
    Answer: Dr. Shamshad Akhtar
  18. Which barrage on the Indus River feeds the Rohri Canal in Sindh?
    Answer: Sukkur Barrage
  19. In which year was the London Branch of the All-India Muslim League established?
    Answer: 1908
  20. Who served as the British Prime Minister during the Indian Independence Act 1947?
    Answer: Clement Attlee

3. General Knowledge 

  1. Which active volcano in Japan is the highest peak in the country?
    Answer: Mount Fuji
  2. What is the capital city of Ethiopia?
    Answer: Addis Ababa
  3. Which sea lies between the Korean Peninsula and mainland China?
    Answer: Yellow Sea
  4. What is the official currency of Poland?
    Answer: Polish Złoty (PLN)
  5. Which country is known as the “Land of Thunderbolts”?
    Answer: Bhutan
  6. What is the chemical name of Baking Soda?
    Answer: Sodium Bicarbonate ($NaHCO_3$)
  7. Which imaginary line marks the latitude $23.5^\circ$ South of the Equator?
    Answer: Tropic of Capricorn
  8. What is the capital city of Colombia?
    Answer: Bogotá
  9. Which international body oversees global maritime shipping safety and security?
    Answer: IMO (International Maritime Organization)
  10. What is the SI unit of frequency?
    Answer: Hertz (Hz)
  11. Which archipelago nation in Southeast Asia consists of over 17,000 islands?
    Answer: Indonesia
  12. What is the official currency of Nigeria?
    Answer: Nigerian Naira (NGN)
  13. Which organ in the human body secretes bile juice for digestion?
    Answer: Liver
  14. Where is the headquarters of the International Atomic Energy Agency (IAEA) located?
    Answer: Vienna, Austria
  15. Which narrow body of water connects the Persian Gulf to the Gulf of Oman?
    Answer: Strait of Hormuz
  16. What is the capital city of Finland?
    Answer: Helsinki
  17. Which country is the largest producer of natural rubber in the world?
    Answer: Thailand
  18. What is the chemical symbol for Gold?
    Answer: Au
  19. Where is the headquarters of the World Intellectual Property Organization (WIPO) located?
    Answer: Geneva, Switzerland
  20. Which city is historically known as the “City of Seven Hills”?
    Answer: Rome, Italy

4. English 

  1. Choose the correct Synonym for “Diligent”:
    Answer: Hardworking / Industrious
  2. Choose the correct Synonym for “Prudent”:
    Answer: Wise / Cautious
  3. Choose the correct Antonym for “Obdurate”:
    Answer: Flexible / Yielding
  4. Choose the correct Antonym for “Ephemeral”:
    Answer: Long-lasting / Permanent
  5. Fill in the blank: “The Line Superintendent was absorbed ______ reviewing the sub-divisional grid load charts.”
    Answer: in
  6. Fill in the blank: “The sub-divisional office catered ______ all emergency feeder breakdown calls.”
    Answer: to
  7. Fill in the blank: “He complied ______ the technical regulations laid down by WAPDA.”
    Answer: with
  8. Identify the correctly spelled word:
    Answer: Questionnaire
  9. Identify the correctly spelled word:
    Answer: Surveillance
  10. Change into Passive Voice: “The Line Superintendent checked the sub-station transformer earthing.”
    Answer: The sub-station transformer earthing was checked by the Line Superintendent.
  11. Change into Indirect Speech: “The Line Superintendent said, ‘Always check the phase sequence.'”
    Answer: The Line Superintendent advised to always check the phase sequence.
  12. What is the plural form of the word “Curriculum”:
    Answer: Curricula / Curriculums
  13. What is the singular form of the word “Data”:
    Answer: Datum
  14. Complete the sentence: “No sooner had the LS issued the PTW ______ the maintenance crew started the work.”
    Answer: than
  15. Complete the sentence: “If I ______ the high-voltage testing kit, I would test the 11 kV transformer.”
    Answer: had
  16. What does the idiom “To add fuel to the fire” mean?
    Answer: To make an argument or problem worse
  17. What does the idiom “To throw cold water on” mean?
    Answer: To discourage an idea or plan
  18. Choose the correct article: “He is ______ Sub-Divisional Line Superintendent.”
    Answer: a
  19. What is the comparative degree of the adjective “Far” (for distance)?
    Answer: Farther
  20. Choose the correct word: “Neither of the two Line Superintendents ______ present at the grid site.”
    Answer: was

5. Job Related (Line Superintendent Supervision, Grid Maintenance & Power Distribution)

  1. What safety device installed on 11 kV transformers operates on a bi-metallic principle to trigger an alarm during thermal overloading?
    Answer: Winding Temperature Indicator (WTI) / Oil Temperature Indicator (OTI)
  2. What is the primary cause of “Harmonic Distortion” in modern power distribution systems supervised by Line Superintendents?
    Answer: Excessive use of non-linear loads such as variable frequency drives (VFDs) and electronic power supplies
  3. What insulating medium is used in modern outdoor SF6 Ring Main Units (RMU) to extinguish high-voltage electrical arcs?
    Answer: Sulfur Hexafluoride ($SF_6$) Gas
  4. What parameter determines the minimum sag required for an 11 kV ACSR conductor span?
    Answer: Conductor weight, tension, span length, and ambient atmospheric temperature
  5. What type of fault occurs when a single live phase conductor breaks and touches the neutral line?
    Answer: Single Line-to-Ground Fault (SLG Fault)
  6. What primary register is maintained in a Sub-Division office under LS supervision to record transformer repairs and movement?
    Answer: Transformer History Register & Damage Tracking Log
  7. What device is installed on 11 kV distribution feeders to maintain output voltage within permissible limits during heavy load variations?
    Answer: Automatic Voltage Regulator (AVR) / On-Load Tap Changer (OLTC)
  8. What is the purpose of conducting a “Tan Delta Test” on high-voltage power transformer bushings?
    Answer: Measuring dielectric insulation loss and detecting moisture degradation inside the insulation
  9. What formula is used to calculate the percentage efficiency ($\eta$) of a distribution transformer?
    Answer: $\eta (\%) = \left( \frac{\text{Output Power in kW}}{\text{Output Power in kW} + \text{Iron Losses} + \text{Copper Losses}} \right) \times 100$
  10. What safety device prevents an 11 kV circuit breaker from closing when grounding switches are in the engaged position?
    Answer: Mechanical/Electrical Safety Interlock System
  11. What supervisory step must be taken by a Line Superintendent before approving an line extension work completion certificate?
    Answer: Verifying structural ground clearances, insulation megger tests, earth pit resistance, and phase alignment
  12. What component isolates a faulty sub-branch of an 11 kV line automatically after detecting fault current pulses?
    Answer: Sectionalizer (working in coordination with an upstream Auto-Recloser)
  13. What type of surge arrester is installed directly at grid sub-station incoming 11 kV line gantries?
    Answer: Heavy-Duty Metal Oxide Varistor (MOV) Surge Arrester
  14. What causes “Ferroresonance” in 11 kV distribution networks during single-phase switching operations?
    Answer: Non-linear interaction between transformer core saturable inductance and line/cable capacitance
  15. What parameter indicates the quality and moisture absorption level of transformer insulating paper?
    Answer: Degree of Polymerization (DP Test) / Furan Analysis
  16. What electrical device is used by an LS to locate exact fault distances in underground 11 kV XLPE cables?
    Answer: Cable Fault Locator (Time Domain Reflectometer / TDR Cable Thumper)
  17. What is the primary function of a “Dummy Busbar” in sub-station panel assemblies during maintenance?
    Answer: Providing temporary bypass grounding or circuit diversion during breaker rack-out operations
  18. What official monthly report is compiled by a Line Superintendent regarding distribution system performance?
    Answer: Monthly Distribution Loss & Feeder Reliability Report (CP-16)
  19. What maximum earth pit resistance is acceptable for an 11 kV pole-mounted GOS structure?
    Answer: Less than 5 Ohms
  20. What essential step must be taken by the Line Superintendent upon finalizing all line maintenance operations?
    Answer: Removal of all local grounding leads, verifying line clearance, returning PTW to Grid Station, and issuing official Restoration Order
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