Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 2: 58. What is the typical value for the ratio of current in a p-n junction diode in the forward bias…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 1: 1. Which of the following statements is correct regarding resistance ? (a) The resistance of a conductor is the hindrance…
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 11: 502. In underground traction, the supply system is (a) 500 V to 1,000 V dc (b) 25 kV, 50…
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 6: 252. The atomic hydrogen welding is based on the principle(s) of (a) obtaining atomic hydrogen by means of an…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 5: 202. In resistance welding, the magnitude of current is controlled (a) by varying the primary voltage of the welding…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 152. For arc heating, the electrodes used are made of (a) copper. (b) graphite. (c) tungsten. (d) aluminium. Answer…