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Power Electronics

Power Electronics Multiple Choice Questions: Part 3

MULTIPLE CHOICE QUESTIONS BASED ON POWER ELECTRONICS AND DRIVES [1] When a line commutated converter operates in the inverter mode (a) It…

MCQ

Objective Types Questions Of High Voltage Engineering Part 2

Q.1 A generating voltmeter is used to measure A. Impulse voltage B. AC voltage C. dc voltage D. All Answer : c…

Power Electronics

Objective Type Questions On Power Electronics: Part-4

[1] In a SCR, (a) Gate current is directly proportional to forward breakover voltage (b) As gate current is raised, forward breakover…

Electrical Machine

D.C Motor Interview Questions

Q. WHAT IS THE PRINCIPLE OF OPERATION OF A D.C MOTOR? A. The operation of a D.C Motor based on the principle…

Power Electronics

Interview Question On Power Electronics

Q. Definition of power electronics? A. Power electronics refers to control and conversion of electrical power by power semiconductor devices wherein these…

Basic Electrical Engg

Interview Question On Power System Part 3

Q. What is meant by knee point voltage? A. Knee point voltage is calculated for electrical Current transformers and is very important…

Power System

Interview Question On Power System Part 2

Q. What do you mean by zone of protection? A. The protection is organized to provide a ring of security around each…

Power Electronics

Interview Question On Power Electronics Part 2

Q. Define circuit turn off time A. It is defined as the time during which a reverse voltage is applied across the…

Power Electronics

Multiple Choice Questions On Scr (Silicon Controlled Rectifier) Part 1

Hello Engineers. Q.1 If the current of an SCR increases, the forward breakdown voltage will A. Decrease B. Not be effected C.…

Power Electronics

Multiple Choice Questions On Power Semiconductor Devices Part 1

Hello Engineers. Q.1 A zener diode works on the principle of A. Tunnelling of charge carriers across the junction B. Thermionic emission…