Voltage Control Interview Questions and Answers: 1. Why is it necessary to keep the receiving-end voltage constant within specified limits ? Ans. For satisfactory operation of equipment/machinery supplied by the…
Protection against Over voltages due to Lightning Interview Questions and Answers: 1. What is meant by voltage surge ? Ans. By voltage surge is meant any sudden excessive rise in…
Protection of Feeders and Transmission Lines Interview Questions and Answers: 1. What is unit type protection ? Ans. Unit system of protection is one in which the protection responds to…
Protective Relays Interview Questions and Answers: 1. What is a protective relay ? Ans. Protective relay is an electrical device designed to initiate isolation of a part of an electrical…
Unsymmetrical Fault Analysis Interview Questions and Answers: 1. Draw the sequence network for single line-to-ground fault without fault impedance. Ans. 2. Draw the sequence network connections corresponding to L-L fault…
Supply Systems Interview Questions and Answers: 1. What is the voltage that has been selected for HVDC transmission ? Ans. ± 500 kV. 2. What is an electric power supply…
Basic Electronics Interview Questions and Answers: 1. What is difference between active and passive devices? Ans. In passive devices, the time average power delivered to the device over an infinite time…
PN Junction Diode Interview Questions and Answers: 1. What is a P-N junction? Ans. The contact surface between the layers of P-type and N-type semiconductor pieces placed together so as to…