Physics Quizzes Stage-5

Here you’ll find the most important and repeated Physics past paper questions Quizzes Stage-5. A perfect way to prepare for top competitive exams and score maximum marks. Good Luck
 
  • Total Quizzes: 30
     Total Marks: 30
    Total Questions: 30
    Time Allowed: 10 minutes
    The correct answers will be displayed after the test is completed.
 
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#1. The process of carburizing is applied to steel with percentage of carbon content?

#2. In a separately excited DC motor, how does an increase in armature voltage affect its speed when the field current is kept constant?

#3. If q = 5t sin 4πt mC, Calculate the current at t = 0.5 s?

#4. Gears produced by die casting are generally used for ______?

#5. Which protection scheme is most suitable for detecting evolving faults in a transmission system?

#6. The Thevenin impedance of a network seen from the load terminals is 80 + 55 Ω. For maximum power transfer, the load impedance must be?

#7. The relationship between power and energy is ______?

#8. In power system analysis, what is the primary advantage of using per-unit (PU) system calculations?

#9. In thermal power plants, what is the primary reason for using a condenser in the Rankine cycle?

#10. In digital signal processing, what is the primary advantage of using a window function in Fourier analysis?

#11. Which power electronic converter is used to convert DC voltage from one level to another without changing polarity?

#12. The stress produced by a suddenly applied load as compared to that produced by the same load when applied gradually is _____?

#13. When a body executes simple harmonic motion, there is always a constant ratio between the displacement of mass and its _____?

#14. Which technology in a smart grid enhances grid stability by providing real-time measurement of voltage and current phase angles?

#15. In power system analysis, what is the primary reason for using symmetrical components in fault analysis?

#16. In a smart grid, which technology enables real-time monitoring and two-way communication between utilities and consumers?

#17. A capacitor is a passive element designed to store energy in its ______?

#18. In power system analysis, what is the main purpose of conducting a load flow study?

#19. Factor of safety is the ratio of _____?

#20. In digital signal processing, which filter design technique is commonly used to convert an analog filter into a digital filter while preserving frequency response characteristics?

#21. In power electronics, what is the main advantage of using a resonant converter over a conventional PWM converter?

#22. In a power distribution system, why are ring main units (RMUs) preferred in urban networks?

#23. Which of the following controllers provides both transient and steady-state improvements in a control system?

#24. The chisels are generally made of _____?

#25. A ______ is a circuit that is designed to pass signals with desired frequencies and reject or attenuate others.

#26. The response of RLC circuit is ______ when the roots of the circuit’s characteristic equation are equal and real.

#27. In underground power distribution systems, why is XLPE (cross-linked polyethylene) insulation preferred over paper-insulated cables?

#28. Which switching device is best suited for high-frequency power electronics applications due to its fast switching speed and low conduction losses?

#29. In a frequency modulation (FM) system, what parameter of the carrier wave is varied according to the message signal?

#30. Which of the following methods is commonly used for analyzing the stability of a nonlinear control system?

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