Q1. What is the first process in yarn production?
Answer: Blow Room
Q2. What is the second process/machine in yarn production?
Answer: Carding Machine
Q3. What process/machine is used after carding?
Answer: Draw Frame
Q4. What process is used after draw frame?
Answer: Simplex
Q5. What is the production of blow room?
Answer: Lap
Q6. What is the input of draw frame?
Answer: Card Sliver
Q7. What is the production of simplex?
Answer: Roving
Q8. 1 lb (pound) = ?
Answer: 16 ounces
Q9. What is the input of blow room?
Answer: Bale
Q10. What is the input of combing?
Answer: Comber Lap
Q11. What is the input of simplex?
Answer: Drawframe sliver (60–80 grains/yard)
Q12. What is the input of ring frame for medium to fine count spinning?
Answer: Roving (0.7–1.2 hanks)
Q13. Micronaire of Pakistani cotton ranges from:
Answer: 3.8–4.8
Q14. Immature cotton fibres have:
Answer: Low micronaire
Q15. A fully mature fibre has:
Answer: Both of these
Q16. Immature fibres have:
Answer: Low dye absorption
Q17. If staple length is more:
Answer: All of these
Q18. If fibre strength is higher, then:
Answer: Yarn strength and fabric strength are also higher
Q19. Short fibres deteriorate:
Answer: All of these
Q20. Minimum strength for a cotton fibre is:
Answer: 20–30 grams/tex
Q21. When bale mixing is done?
Answer: Before the blow room
Q22. Basic operations in blow room are:
Answer: All of these
Q23. Objective of carding:
Answer: All of these
Q24. Carding is called the:
Answer: Heart of spinning
Q25. Main objectives of draw frame are:
Answer: All of these
Q26. For cotton, higher the count:
Answer: Finer the yarn
Q27. For synthetics, higher the tex:
Answer: Coarser the yarn
Q28. Total Draft = ?
Answer: Back draft × Main draft
Q29. Name of combing waste:
Answer: Noil
Q30. Twist per inch is:
Answer: TM × √count
Q31. Ring frame waste:
Answer: All of these
Q32. Over twisted yarn becomes:
Answer: Low in strength
Q33. Meaning of MIC:
Answer: Microgram per inch
Q34. In direct system fixed quantity is:
Answer: Length
Q35. In indirect system fixed quantity is:
Answer: Mass
Q36. English count is denoted by:
Answer: NeC
Q37. Metric count is denoted by:
Answer: Nm
Q38. Up to roving count is expressed by:
Answer: Hank
Q39. Irregularities increased by:
Answer: Drafting
Q40. Irregularities decreased by:
Answer: Both
Q41. IPI means:
Answer: All above
Q42. 1 meter =
Answer: 1.0936 yards
Q43. 1 pound =
Answer: 7000 grains
Q44. 1 Hank =
Answer: 840 yards per pound
Q45. Rotor yarn is:
Answer: Z twisted
Q46. Ring process yarn is:
Answer: Z twisted
Q47. 1 Denier =
Answer: 1 Decitex
Q48. 1 Tex =
Answer: 590.6 / NeC
Q49. Tex × Metric count =
Answer: 1000
Q50. 1 lea =
Answer: 120 yards
Q51. Coiling in card cans is:
Answer: Under center coiling
Q52. Coiling in draw frame cans is:
Answer: Over center coiling
Q53. Uniformity Ratio =
Answer: (50% span length / 2.5% span length) × 100
Q54. Causes of roving breakage:
Answer: All of these
Q55. Manmade fibres are:
Answer: Hydrophobic
Q56. Manmade cellulose fibre:
Answer: Viscose
Q57. Cotton fibre dissolves in:
Answer: 70% sulphuric acid
Q58. Viscose fibre dissolves in:
Answer: 70% sulphuric acid
Q59. Polyester fibre dissolves in:
Answer: Metacresol
Q60. Burning smell of cotton:
Answer: Burning paper
Q61. MR% of jute:
Answer: 13–14%
Q62. MR% of viscose & silk:
Answer: 11%
Q63. MC% of cotton:
Answer: 7.8%
Q64. MR% of wool:
Answer: 16%
Q65. MR% of nylon:
Answer: 4.0%
Q66. MR% of polyester:
Answer: 0.4–0.7%
Q67. Long staple fibres are:
Answer: All of these
Q68. Main working part of carding machine:
Answer: Cylinder
Q69. Botanical name of Pakistani cotton:
Answer: Gossypium hirsutum
Q70. Ginning is:
Answer: Separation of seeds from lint
Q71. Trash % in Pakistani cotton:
Answer: 2–4%
Q72. Blow room waste:
Answer: All of these
Q73. Comber waste for super combed yarns:
Answer: 15–22%
Q74. Single fibre testing is performed at:
Answer: AFIS (Advanced Fiber Information System)
Q75. If MIC increases then fineness:
Answer: Decreases
Q76. NeC 30 ≈
Answer: 20 Tex
Q77. Maximum rotor spinning count:
Answer: NeC 40
Q78. Feed material in rotor spinning:
Answer: Drawframe sliver
Q79. Air jet spinning requires at least:
Answer: Three draw frame passages
Q80. Natural fibres are:
Answer: Hydrophilic
Q81. Simplex is essential component of:
Answer: Ring spinning
Q82. Yarn strength testing machine:
Answer: Uster TensoRapid
Q83. Unusable waste in spinning mill:
Answer: Hard waste
Q84. Blow room actions:
Answer: All of these
Q85. “Well carded is ____ spun.”
Answer: Half
Q86. Worsted hank length:
Answer: 560 yards
Q87. Stronger but fewer teeth per inch wire:
Answer: Taker-in
Q88. Motes and heavy trash extracted under:
Answer: Taker-in
Q89. Maximum carding action occurs between:
Answer: Main cylinder and flats
Q90. Blow room opens material into:
Answer: Flocks only
Q91. Card must open material into:
Answer: Individual fibres
Q92. Fibres in card sliver are:
Answer: Partially longitudinally oriented
Q93. Foreign matter is removed mainly at:
Answer: Taker-in
Q94. Cleaning efficiency of modern card:
Answer: 80–95%
Q95. False assumption at carding:
Answer: Neps are eliminated
Q96. Neps disentanglement improves by:
Answer: Closer spacing
Q97. Card flats are made of:
Answer: Aluminium profile
Q98. Card sliver production depends on:
Answer: Doffer speed
Q99. 80–116 flats, active in carding position:
Answer: 30–46
Q100. Card draft (given values):
Answer: 95
Q101. Doffer diameter:
Answer: 27 inches
Q102. Denier = ________, if the yarn English count is 20s
Answer: 265.7 (Using formula: Denier = 5315 / Ne)
Q103. Flats speed at the top of main cylinder ranges between ______ inches/min
Answer: 6 to 18
Q104. The underside of the main cylinder is enclosed by grids and ________
Answer: Cover plates
Q105. Gauge between cylinder and tops for cotton is ______ thousand of an inch
Answer: 9 to 11
Q106. Doffer to cylinder gauge is usually ______ thousand of an inch
Answer: 10
Q107. After leaving the doffer, card web passes through ________
Answer: Crushing rollers
Q108. Carding is the ______ of spinning
Answer: Heart
Q109. ______ arranges sliver in card can systematically
Answer: Coiler tube
Q110. Top rollers with rubber cots are used to ______ material
Answer: Grip
Q111. First intermediate product in spinning mill is ______
Answer: Card sliver
Q112. Card fly waste contains mostly ______ and dust
Answer: Neps
Q113. Final process of quality improvement in spinning mills is ______
Answer: Combing
Q114. ______ is process of elongating fibres for orientation
Answer: Drafting
Q115. About _____% card web fibres have trailing hooks
Answer: 50%
Q116. More draft, ______ irregularity
Answer: More
Q117. Rubber cots hardness (draw frame cotton) should be ______ shore
Answer: 85
Q118. Transfer of roller speed to fibres is effected mainly by ______
Answer: Friction
Q119. ______ is heart of draw frame
Answer: Drafting arrangement
Q120. ______ drafting arrangement with pressure bar is used in modern draw frames
Answer: 3/4 with deflecting roller
Q121. Combing improves fibre length, tenacity, luster, appearance and ______
Answer: Trash removal
Q122. RH% in combing section is kept above ______
Answer: 60%
Q123. Testing is process to determine ______ of product
Answer: Quality
Q124. Excellence of product is called
Answer: Quality
Q125. Quality Assurance (QA) is
Answer: Process oriented
Q126. Thick places with no twist and short fibres are called
Answer: Slubs
Q127. Yarn with kinks due to low tension is called
Answer: Snarl
Q128. Weak yarn with less twist is called
Answer: Soft yarn
Q129. Fibre protrusion from yarn structure is called
Answer: Hairiness
Q130. Fly or fluff embedded in yarn is called
Answer: Spun-in fly
Q131. Gauge settings of spinning machines depend on
Answer: Fibre length
Q132. Fibres shorter than 0.5 inch expressed as
Answer: Short fibre content
Q133. Ratio between mean length and upper half mean length
Answer: Uniformity index
Q134. Fibre fineness + maturity is called
Answer: Micronaire
Q135. Hard fibre entanglement knot is called
Answer: Neps
Q136. Mean length of longer 50% fibres is
Answer: Upper half mean length
Q137. Stretching deformation before break is
Answer: Elongation
Q138. Fibrograph is based on
Answer: Span length
Q139. Average length of all fibres is
Answer: Mean length
Q140. Cell wall thickness vs fibre diameter is
Answer: Maturity
Q141. Fibre maturity relates to
Answer: Fibre strength
Q142. Digital fibrograph works on
Answer: Photo electricity
Q143. Rapid impact load application is
Answer: Ballistic strength
Q144. Fibre tensile strength test load is applied
Answer: Gradually
Q145. CRE stands for
Answer: Constant rate of extension
Q146. CRT stands for
Answer: Constant rate of traverse
Q147. Uster TensoRapid works on
Answer: CRE principle
Q148. Force per unit area at failure is
Answer: Tenacity
Q149. Yarn evenness deals with variation in
Answer: Fineness
Q150. Mass deviation percentage is
Answer: U%
Q151. Yarn fault (1 mm, 200% cross-section) is
Answer: Nep
Q152. Mass variation frequency representation
Answer: Spectrogram
Q153. Yarn faults are classified by appearance and
Answer: Diameter
Q154. Faults occurring 10–5000 times per 1000 m
Answer: Frequently occurring
Q155. Resistance to bending is called
Answer: Rigidity
Q156. Not a natural fibre
Answer: Terrylene
Q157. Jute fibre comes from
Answer: Stem
Q158. Coconut husk fibre
Answer: Coir
Q159. Agave sisalana is
Answer: Sisal
Q160. Fibre obtained from rocks
Answer: Basalt
Q161. Non-degradable fibre
Answer: Nylon
Q162. Removing seed from cotton is
Answer: Ginning
Q163. Jute composition is fibre of
Answer: Jute
Q164. Sisal fibre comes from
Answer: Leaves
Q165. Fireproof fibre
Answer: Asbestos
Q166. Not vegetable fibre
Answer: Asbestos
Q167. Cotton chemical composition
Answer: Cellulose
Q168. Leaf fibre
Answer: Sisal
Q169. Mineral fibre
Answer: Asbestos
Q170. Not plant fibre
Answer: Silk
Q171. Not filament fibre
Answer: Cotton
Q172. Highly absorbent fibre
Answer: Rayon
Q173. Kenaf is stronger than
Answer: Jute
Q174. Removal of pectin is
Answer: Retting
Q175. Retting time of jute
Answer: 10–20 days
Q176. Retting factors
Answer: All of these
Q177. Fibre cell wall development
Answer: Maturity
Q178. Not synthetic fibre
Answer: Jute
Q179. Finest fibre
Answer: Cotton
Q180. Fabric ability to drape
Answer: Drapability
Q181. Wool fibres are made of
Answer: Protein
Q182. Wool is more than cotton
Answer: Expensive
Q183. Wool provides
Answer: Warmth
Q184. Merino originated in
Answer: Spain
Q185. Wool staple length
Answer: 1–5 inches
Q186. Wool process for worsted
Answer: Combing & gilling
Q187. Wool sliver doubling process
Answer: Gilling
Q188. Wool roving becomes
Answer: Yarn
Q189. Warp beam treatment
Answer: Sizing (starch/gum)
Q190. Wool is damaged by
Answer: Alkalis
Q191. Wool felting is
Answer: Irreversible shrinkage
Q192. Animal fibres are
Answer: Protein
Q193. Sericulture is
Answer: Rearing of silkworm
Q194. Silk obtained from
Answer: Cocoon
Q195. Cotton type
Answer: Vegetable seed fibre
Q196. Cotton structure parts
Answer: Three
Q197. Raw cotton color
Answer: Creamy white
Q198. Uniformity index ratio
Answer: Mean / Upper half mean length
Q199. Micronaire reflects fineness and
Answer: Fibre maturity
Q200. Cotton impurity content is called
Answer: Leaf grade
Q201. The hollow canal located in the secondary wall of cotton fibre is known as
Answer: Lumen
Q202. Absorption regain of cotton is
Answer: 6–8%
Q203. Specific stress of cotton fibre is expressed in
Answer: g/tex
Q204. Toughness value of cotton fibre is also known as
Answer: Work of rupture
Q205. Tenacity is generally higher for
Answer: Longer and finer fibres
Q206. Cotton wax is primarily long chain of
Answer: Both a & b
Q207. Proteins are made of
Answer: Amino acids
Q208. Sugar in cotton fibre comes from
Answer: Both a & b
Q209. Cross section of dried cotton fibre is
Answer: Bean shaped
Q210. Visible foreign matter in cotton fibre is
Answer: Trash particles
Q211. Types of neps commonly defined are
Answer: Two types
Q212. Insect resistant transgenic cotton is called
Answer: Bt cotton
Q213. Cotton grown without synthetic chemicals is
Answer: Organic cotton
Q214. Pakistan cotton production rank
Answer: 5th
Q215. Cotton after ginning is called
Answer: Lint
Q216. Saw gin was invented by
Answer: Eli Whitney
Q217. Hand picking of open bolls is called
Answer: Hand snapping
Q218. Machine picking starts when bolls are open
Answer: 65–75%
Q219. Cultivated species of cotton are
Answer: Four
Q220. Cotton elongation is
Answer: 3–8%
Q221. Dry cotton is easier to
Answer: Clean
Q222. Non-cellulose components in cotton are
Answer: 4–12%
Q223. Cellulose is mainly composed of
Answer: Polysaccharide
Q224. Secondary wall development is called
Answer: Maturity
Q225. Fibres with only primary wall are
Answer: Dead fibres
Q226. Fibre length variation is measured by
Answer: Uniformity index
Q227. Cotton fibre reflectance is
Answer: Rd
Q228. Cotton fibre is
Answer: Electrical insulator
Q229. Bt stands for
Answer: Bacillus thuringiensis
Q230. Botanical name of upland cotton
Answer: Gossypium hirsutum
Q231. Tuck loops increase fabric
Answer: Both a & b
Q232. Elasticity in woven fabric is
Answer: Poor
Q233. ______ requires expensive preparation processes
Answer: Weaving
Q234. Raschel is type of
Answer: Warp knitting machine
Q235. Weft knitting direction is
Answer: Horizontal
Q236. Yarn length per loop is
Answer: Stitch length
Q237. Circular knitting machine diameter
Answer: 8–22 inches
Q238. Single jersey fabric is
Answer: Easily distorted
Q239. Latch brushes are used for
Answer: Needle latch opening
Q240. Warp knitting motion is controlled by
Answer: Guide bars
Q241. Twist multiplier of roving
Answer: 0.7–1.15
Q242. Simplex draft range
Answer: 5–20
Q243. Chenille yarn count range
Answer: 0.5–15 Ne
Q244. Chenille delivery speed
Answer: 10 m/min
Q245. Feed stock for cut pile chenille
Answer: Plied yarn
Q246. Cutting rotor speed
Answer: 20,000 rpm
Q247. Spindle speed chenille
Answer: 4000–6000 rpm
Q248. Fancy yarn NOT made by crochet machine
Answer: Chenille yarn
Q249. Traveller ring diameter
Answer: 160 mm
Q250. Hygroscopic fibre
Answer: Cotton
Q251. Wool is fibre of
Answer: Protein
Q252. Wool dissolves in
Answer: Alkalis
Q253. Most popular fancy yarn spinning
Answer: Ring spinning
Q254. Not composite yarn
Answer: Slub
Q255. CSP of rotor yarn
Answer: 1600–1800
Q256. Flyer speed speed frame
Answer: 1500 rpm
Q257. Wool contaminants
Answer: All of these
Q258. Vegetable matter removal in wool
Answer: Carbonizing
Q259. Natural filament fibre
Answer: Silk
Q260. Highest modulus fibre
Answer: Carbon
Q261. Better chemical resistance fibre
Answer: Saran
Q262. Highest tensile strength fibre
Answer: Carbon
Q263. CVD used for
Answer: Ceramic fibres
Q264. High melting point fibre
Answer: PTFE
Q265. Highest tear strength weave
Answer: Twill
Q266. Highest speed weaving machine
Answer: Air jet
Q267. Warp yarn controlled individually in
Answer: Jacquard
Q268. Hydrophobic fabric weaving machine
Answer: Water jet
Q269. Narrow fabric width less than
Answer: 6 cm
Q270. Fibre orientation process
Answer: Drafting
Q271. Not used for fibre testing
Answer: Uster evenness tester
Q272. Fibre with no convolution
Answer: Dead fibre
Q273. DP of viscose fibre
Answer: 250
Q274. Twist of 36 Ne yarn (TM=4)
Answer: 24 TPI
Q275. Wet spinning used for
Answer: Nylon (as per given options)
Q276. Machine not improving evenness
Answer: Speed frame
Q277. Nep count measured by
Answer: AFIS
Q278. Seed coat particles removed in
Answer: Card
Q279. Traveller weight increase causes
Answer: Yarn tension increase
Q280. Jute hank length
Answer: 14400 yards
Q281. Higher noil extraction means
Answer: Greater efficiency
Q282. Fibre fineness + maturity
Answer: Micronaire
Q283. Third party audit done by
Answer: Independent body
Q284. TQM depends on
Answer: All of these
Q285. Variation detection method
Answer: Quality control
Q286. Heart of ISO 9000
Answer: Documentation
Q287. Chemical finishing effect
Answer: Appearance unchanged
Q288. Lower calendering speed gives
Answer: Longer fabric contact
Q289. Raising affects
Answer: Woolen yarns
Q290. Simplest knit structure
Answer: Single jersey
Q291. Knitting basic element
Answer: Needles
Q292. Feeding occurs at
Answer: Needle hook
Q293. Cotton fibre elongation
Answer: 6.8–7.6%
Q294. Roving bobbin tapered section
Answer: Chase length
Q295. Blow room output
Answer: Fibre flock
Q296. Highest heat generation section
Answer: Ring frame
Q297. Force per unit area at failure
Answer: Tenacity
Q298. Ring spinning share worldwide
Answer: Above 80%
Q299. In modern blow room the end product is
Answer: Fibre flocks
Q300. Raw material represents about ____% of manufacturing cost of staple yarn
Answer: 50–75%
Q301. About ____% of immature fibres remain in fully matured cotton boll
Answer: 5%
Q302. In simplex machine (combed material) flyer speed is kept
Answer: High
Q303. For hank roving 1.00 with twist factor 0.8, TPI is
Answer: 0.8
Q304. 40 penny = ____ grains
Answer: 960 grains
Q305. Roving breaks in simplex should not exceed ____% spindle hours
Answer: 1.5%
Q306. Rubber aprons help in drafting system for safe and ____ draft
Answer: Even
Q307. One ounce = ____ grams
Answer: 28.35 grams
Q308. Stones are used in washing
Answer: Pumice stones
Q309. Discoloration is done after ____ process
Answer: Stone wash
Q310. Spread holding surface between spreading table and ____
Answer: Cutting table
Q311. For serging garment panels ____ machine is used
Answer: Overlock
Q312. Lubricated paper is used to place ____
Answer: Separate layers
Q313. Fabric consumption is highest in ____ garment lay
Answer: Single size
Q314. Direct system fixed quantity is
Answer: Length
Q315. Process after draw frame
Answer: Simplex
Q316. Production of simplex
Answer: Roving
Q317. Input of combing
Answer: Comber lap
Q318. Micronaire of Pakistani cotton
Answer: 3.8–4.8
Q319. Fully mature fibre has
Answer: Both of these
Q320. Short fibres deteriorate
Answer: All of these
Q321. Carding is called
Answer: Heart of spinning
Q322. Combing waste is called
Answer: Noil
Q323. Ring frame waste
Answer: Hard waste
Q324. Rotor yarn is
Answer: Z twisted
Q325. 1 denier =
Answer: 0.111 tex
Q326. Tex × metric count =
Answer: 1000
Q327. 1 lea =
Answer: 120 yards
Q328. Manmade cellulose fibre
Answer: Viscose
Q329. Ne 30 ≈
Answer: 20 tex
Q330. Simplex is essential part of
Answer: Ring spinning
Q331. Unusable waste in spinning mill
Answer: Hard waste
Q332. Blow room actions
Answer: All of these
Q333. Worsted hank length
Answer: 560 yards
Q334. Enzyme removes
Answer: Size
Q335. Enzyme for amylose breakdown
Answer: Amylase
Q336. Scouring main ingredient
Answer: Alkali
Q337. Scouring is
Answer: Cleaning
Q338. Continuous scouring carried out in
Answer: J-box
Q339. pH of peroxide bleaching
Answer: 10.5
Q340. Discoloration of natural pigment is
Answer: Bleaching
Q341. Hydrogen peroxide is
Answer: Oxidizing agent
Q342. Raising is a
Answer: Finishing process
Q343. Peach-like finish obtained by
Answer: Emerizing
Q344. Foreign matter removal mainly at
Answer: Taker-in
Q345. Average fibre length is
Answer: Mean length
Q346. Tensile test load is applied
Answer: Gradually
Q347. Uster Tensorapid principle
Answer: CRE
Q348. Force per unit area at failure
Answer: Tenacity
Q349. Yarn evenness deals with variation in
Answer: Thickness
Q350. Mass deviation percentage
Answer: U%
Q351. Jute fibre comes from
Answer: Stem
Q352. Coconut fibre is
Answer: Coir
Q353. Cotton bleaching uses
Answer: Hydrogen peroxide
Q354. Active species in H₂O₂ bleaching
Answer: Perhydroxyl ion
Q355. Controlled exercises necessary in
Answer: Quality assurance
Q356. Re-inspection of reworked product is necessary
Answer: False
Q357. ISO 9000 defines
Answer: QMS
Q358. Focus of TQM
Answer: Workers
Q359. Mean chart used
Answer: X-bar chart
Q360. Quality data plotted in order
Answer: Time
Q361. Fibre fineness + maturity
Answer: Micronaire
Q362. Fibre entanglement knot
Answer: Neps
Q363. Chemical of cotton
Answer: Cellulose
Q364. Not vegetable fibre
Answer: Asbestos
Q365. Wool damaged by
Answer: Alkalis
Q366. Raw cotton colour
Answer: Creamy white
Q367. Cotton wax is
Answer: Both a & b
Q368. Pakistan cotton rank
Answer: 5th
Q369. Cotton after ginning
Answer: Lint
Q370. Dry cotton is easier to
Answer: Clean
Q371. Secondary wall development is
Answer: Maturity
Q372. Warp knitting needles move
Answer: Simultaneously
Q373. Yarn length in loop
Answer: Stitch length
Q374. Seed removal process
Answer: Ginning
Q375. Non-degradable fibre
Answer: Both b & c
Q376. Fibre from rocks
Answer: Basalt
Q377. Agave sisalana is
Answer: Sisal
Q378. Jute fibre comes from
Answer: Stem
Q379. MIC means
Answer: Microgram per inch
Q380. Metric count symbol
Answer: Nm
Q381. Weaving requires expensive
Answer: Preparation
Q382. Elasticity poor in
Answer: Woven
Q383. Yarn set in twining
Answer: Two
Q384. Fabric formation methods
Answer: Two
Q385. Tuck loops increase
Answer: Both
Q386. Air permeability poor in
Answer: Nonwoven
Q387. Circular knitting faster than weaving
Answer: 10 times
Q388. Sizing in warp knitting
Answer: Not necessary
Q389. Irregularities increased by
Answer: Drafting
Q390. IPI means
Answer: All above
Q391. Direct system fixed quantity
Answer: Length
Q392. After carding process
Answer: Draw frame
Q393. 1 lb =
Answer: 16 ounces
Q394. Not filament fibre
Answer: Cotton
Q395. Mineral fibre
Answer: Asbestos
Q396. Kenaf stronger than
Answer: Jute
Q397. Removal of pectin
Answer: Retting
Q398. Wool fabrics are more
Answer: Expensive
Q399. Solvent scouring can be carried out by using
Answer: Toluene
Q400. Raising is a type of process
Answer: Finishing
Q401. Appearance after chemical finishing is normally
Answer: Not changed
Q402. Narrow fabrics do not exceed ____ width
Answer: 6 cm
Q403. Wool provides ______ and physical comfort
Answer: Warmth
Q404. Sisal fibre is obtained from
Answer: Leaf
Q405. Yarn faults classified by appearance and
Answer: Diameter
Q406. Not natural fibre
Answer: Terrylene
Q407. Gauge settings depend on
Answer: Fibre length
Q408. Excellence of product is called
Answer: Quality
Q409. Mass of oven dry solid in size paste
Answer: Size concentration
Q410. Strength of compact yarn is
Answer: Higher
Q411. Compact spinning uses ____ pressure
Answer: Suction
Q412. C-type travelers used for
Answer: B-type flange rings
Q413. Energy consumption of ring machine is
Answer: 50%
Q414. False draft refers to
Answer: Unintentional draft
Q415. Ring spinning produces superior yarn due to
Answer: True twist
Q416. Maximum draft in ring drafting system
Answer: 40
Q417. Traveler for 20s at 22000 rpm
Answer: 1/0
Q418. Fibre ends protruding from yarn
Answer: Hairiness
Q419. Quality Assurance is
Answer: Process oriented
Q420. Yarn with kinks due to low tension
Answer: Snarl
Q421. Card fly waste contains mostly
Answer: Neps
Q422. Final process of quality improvement
Answer: Combing
Q423. Half-life of foam is when ____% drains
Answer: 50%
Q424. Wetting occurs when free energy
Answer: Decreases
Q425. High Tg results in fabric hand
Answer: Firm and stiff
Q426. Fluorocarbons give lowest
Answer: Surface energy
Q427. Antistatic agents form
Answer: Hydrophilic layer
Q428. Major component of starch
Answer: Amylopectin
Q429. PVA size removal by
Answer: Water
Q430. Enzyme desizing removes
Answer: Size
Q431. Enzyme for bio-polishing
Answer: Cellulase
Q432. Scouring is carried out under
Answer: Alkaline conditions
Q433. Emerizing is also called
Answer: Sueding
Q434. Velvet-like piles produced by
Answer: Sueding
Q435. Fabric becomes stiff due to removal of
Answer: Both a & b
Q436. Softener penetration due to
Answer: Lower Tg
Q437. Static electricity problem occurs in
Answer: Hydrophobic fibres
Q438. Higher draft increases
Answer: Irregularity
Q439. Rubber cots hardness
Answer: 85 shore
Q440. Trailing hooks in card web
Answer: 50%
Q441. Doffer-cylinder gauge
Answer: 10 thousandths inch
Q442. Foreign matter removed mainly at
Answer: Taker-in
Q443. Over twisted yarn becomes
Answer: Low strength
Q444. Count up to roving expressed in
Answer: Hank
Q445. Bt cotton stands for
Answer: Bacillus thuringiensis
Q446. Sugar source in cotton fibre
Answer: Both
Q447. Cotton wax is
Answer: Fatty acids
Q448. Fibrograph based on
Answer: Span length
Q449. Uster Tensorapid works on
Answer: CRE
Q450. Fibre knot entanglement
Answer: Neps
Q451. Testing determines
Answer: Quality
Q452. Ring frame waste
Answer: Hard waste
Q453. Reflectance abbreviation
Answer: Rd
Q454. Rubbing fastness load
Answer: 9 N
Q455. Water fastness heating time
Answer: 16 h
Q456. Spray tester angle
Answer: 45°
Q457. Not advantage of singeing
Answer: Reduced soiling
Q458. Scouring can be done by
Answer: Both a & b
Q459. KI test color change
Answer: Pale blue
Q460. Bleaching objective
Answer: Whitening
Q461. Fluorescent brightener emits
Answer: Blue light
Q462. Mercerization improves
Answer: Strength & luster
Q463. Thermodynamically dyeing is
Answer: Exothermic
Q464. Direct dyes are
Answer: Anionic
Q465. Polyester dyed with
Answer: Disperse dyes
Q466. Lowest wash fastness dyes
Answer: Direct dyes
Q467. Reactive dyes form
Answer: Covalent bond
Q468. Indigo is
Answer: Vat dye
Q469. Max draft ring frame
Answer: 60
Q470. Max spindle speed
Answer: 25000 rpm
Q471. Not composite yarn
Answer: Slub yarn
Q472. Comber air pressure
Answer: 6–8 bar
Q473. Comber draft range
Answer: 10–20
Q474. Saw gin inventor
Answer: Eli Whitney
Q475. Cotton fibre cross section
Answer: Bean shaped
Q476. Foreign matter in cotton
Answer: Trash particles
Q477. Blow room RH
Answer: 45–50%
Q478. Tuft weight
Answer: 0.1 mg
Q479. Damp blow room causes
Answer: Poor cleaning
Q480. Draw frame output
Answer: 100 kg/hr
Q481. Knife cutter shape
Answer: Octagonal
Q482. Chemical finishing keeps appearance
Answer: Unchanged
Q483. Calendering exception
Answer: Polishing
Q484. Lower calender speed gives
Answer: Longer contact
Q485. Sewing jumpers control
Answer: Pressure
Q486. Most expensive finish
Answer: Embossing
Q487. Sueding effect from
Answer: Upper side
Q488. Loop motion opens hook by
Answer: Anticlockwise rotation
Q489. Yarn formation methods
Answer: Two
Q490. Fibre accumulation in yarn
Answer: Yarn core
Q491. Cotton elongation
Answer: 6.8–7.6%
Q492. One ounce =
Answer: 28.35 g
Q493. Nm from 106.3 denier
Answer: 84.65
Q494. Excess winding tension reduces
Answer: Elongation & tenacity
Q495. Spinning geometry shape
Answer: Triangular
Q496. Fibre hooks removal type
Answer: Trailing hooks
Q497. Draw frame auto levelling
Answer: Open loop
Q498. Combed yarn noil
Answer: 22%+
Q499. Card sliver trailing hooks
Answer: 52%
Q600. The process of elongating a strand of fibres for fibre orientation is
Answer: Drafting
Q601. Particle size of micro dust in cotton is
Answer: Below 15 micrometer
Q602. Tuft weight in blow room can be reduced to
Answer: 0.1 mg
Q603. Relative humidity in blow room is kept
Answer: 45–50%
Q604. Dry conditions in blow room cause
Answer: Fibre damage
Q605. Damp conditions in blow room cause
Answer: Poor cleaning
Q606. Degree of cleaning in modern carding is
Answer: 80–95%
Q607. Card machine generally
Answer: Increases neps
Q608. Short fibres in flat strippings
Answer: 5%
Q609. Fibre arrangement in card web
Answer: Partially longitudinally oriented
Q610. Cylinder is supported in
Answer: Roller ball bearings
Q611. Coiling in card cans is
Answer: Over center coiling
Q612. Coiling in draw frame cans is
Answer: Under center coiling
Q613. Card flats use clothing type
Answer: Flexible clothing
Q614. High performance draw frame production
Answer: 100 kg/hr per delivery
Q615. Draw frame effect
Answer: Doubling
Q616. Fibres in sliver cross section
Answer: 20,000–40,000
Q617. Break draft distance is
Answer: Greater than main draft distance
Q618. Main draft is equal to
Answer: Total draft / break draft
Q619. Auto leveling at draw frame
Answer: Open loop
Q620. Auto leveling at card
Answer: Closed loop
Q621. Noil in combing for high quality yarn
Answer: 22% or above
Q622. Trailing fibre hooks in card sliver
Answer: 52%
Q623. Hooks removed at comber
Answer: Leading hooks
Q624. Hooks removed at draw frame
Answer: Trailing hooks
Q625. Backward feed in comber is
Answer: More effective
Q626. Yarn evenness deals with variation in
Answer: Thickness
Q627. Cell wall thickness relation is called
Answer: Maturity
Q628. TPI in roving kept
Answer: Minimum
Q629. Roving strength affects
Answer: Production limitations
Q630. 40 penny =
Answer: 960 grains
Q631. TPI for roving (TF 0.8, hank 1)
Answer: 0.8
Q632. Roving bobbin tapered section
Answer: Chase length
Q633. Flyer speed in simplex is kept
Answer: High
Q634. Roving breaks allowed
Answer: 1.5% spindle hours
Q635. Twist inserting element in ring frame
Answer: Traveller
Q636. Traveller speed (given case)
Answer: 9000 rpm
Q637. 40s yarn, 2.5 lb length
Answer: 84,000 yards
Q638. Rubber aprons provide
Answer: Intermediate draft control
Q639. 29.6 tex in denier
Answer: 266.4
Q640. Denier for 20s yarn
Answer: 265.7
Q641. One ounce
Answer: 28.35 g
Q642. Nm 50 = Ne
Answer: 29.53
Q643. Roving twist depends on
Answer: Staple length
Q644. Knitting yarn twist factor
Answer: Less than warp yarn
Q645. Spinning geometry shape
Answer: Triangular
Q646. Production efficiency formula result
Answer: 27777 lbs
Q647. PC blended yarn 106.3 denier
Answer: Nm 84.65
Q648. Break draft minimum limit
Answer: 1.4
Q649. Maximum heat generating section
Answer: Ring frame
Q650. Jute hank length
Answer: 14,400 yards
Q651. Winding tension increase causes loss in
Answer: Elongation
Q652. Worsted hank length
Answer: 560 yards
Q653. Draft definition
Answer: Ratio of delivered to feed length
Q654. Draw frame heart
Answer: Drafting arrangement
Q655. RH in combing
Answer: Above 60%
Q656. Noil extraction efficiency
Answer: Higher is better
Q657. Top comb noil removal
Answer: 40–60%
Q658. Gauge setting depends on
Answer: Fibre length
Q659. Short fibre content
Answer: Below 12.7 mm
Q660. Uniformity index
Answer: Mean / upper half mean
Q661. Micronaire represents
Answer: Fineness + maturity
Q662. Cotton contamination (whitefly)
Answer: Stickiness
Q663. Neps are
Answer: Fibre entanglements
Q664. Fibre maturity relates to
Answer: Strength
Q665. Tenacity is
Answer: Force per unit area
Q666. Yarn evenness variation
Answer: Thickness
Q667. Break draft in draw frame example
Answer: 1.5
Q668. Rubber cot function
Answer: Grip
Q669. Card fly waste contains
Answer: Neps
Q670. Auto leveling types
Answer: Open & closed loop
Q671. Fibre fineness effect
Answer: Drafting force
Q672. Final spinning process
Answer: Combing
Q673. Knitting zone support
Answer: Center
Q674. Fabric spreader function
Answer: Prevent creases
Q675. First knitting machine inventor
Answer: William Lee (1589)
Q676. Latch needle action
Answer: Opens hook
Q677. Compound needle motion
Answer: Downward
Q678. Sizing in warp knitting
Answer: Not necessary
Q679. Circular knitting speed advantage
Answer: 10 times
Q680. Air permeability poor in
Answer: Nonwoven
Q681. Tuck loop effect
Answer: Both a & b
Q682. Fabric formation methods
Answer: Two
Q683. Yarn sets in twining
Answer: Two
Q684. Elasticity poor in
Answer: Woven fabrics
Q685. Weaving requires
Answer: Expensive preparation
Q686. Spinning converts
Answer: Fibres into yarn
Q687. Singeing burns
Answer: Protruding fibres
Q688. Plate singeing issue
Answer: Local cooling
Q689. Sizing improves
Answer: Weaving efficiency
Q690. Starch main component
Answer: Amylopectin
Q691. PVA removed by
Answer: Water
Q692. Enzyme desizing removes
Answer: Starch
Q693. Bio-polishing enzyme
Answer: Cellulase
Q694. Scouring improves
Answer: Absorbency
Q695. Greige singeing done on
Answer: Cotton fabric
Q696. Vat dye reducing agent
Answer: Sodium hydrosulfite
Q697. Dye fixation helper
Answer: Alkali
Q698. Reactive dye bonding
Answer: Cellulose
Q699. Vat dye property
Answer: Water insoluble
Q700. Purl structure characteristic
Answer: Low productivity
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