Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 150. In phase modulation, phase deviation is proportional to (a) carrier amplitude. (b) carrier phase. (c) message signal. (d) message…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 12: 552. The electric motor used for traction work should be mechanically (a) small in overall dimensions (specially in its…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 9: 402. Desired illumination level on the working plane depends upon (a) age group of observers. (b) whether the object…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 8: 352. The luminous efficiency of a sodium vapour lamp is ............ lumens per watt. (a) 40-50 (b) 50-100 (c)…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 7: 302. Sky appears blue due to (a) radiation. (b) reflection. (c) refraction. (d) scattering of light over dust particles.…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 6: 252. The atomic hydrogen welding is based on the principle(s) of (a) obtaining atomic hydrogen by means of an…
Power Supply for Electric Traction Interview Questions and Answers: 1. What is the arrangement of power supply on Kanpur-Tundla section ? Ans. 132 kV supply is taken at one point…
Control of Traction Motors Interview Questions and Answers: 1. The resistors employed for control of traction motors are designed for short-time rating. Why ? Ans. Because control resistors are required…