Electrical Engineering Interview Questions-Part8

Capacitor is load free component but why ampere meter shows current when capacitor bank breaker is closed?

When birds sit on transmission lines or current wires doesn't get shock?

What is the difference b/w winding insulation class and winding temperature class?

Is it possible for a feedback surge to travel over a wireless connection?

What is a DLC? Explain the advantage of DLC over PLC?


What are the tests to be taken on a transformer and generator?

Do you know how to measure the earth resistance? If so explain it

What is the make of breakers, transformers, generators? What are their capacities and ratings?

What are the starting currents of different motors and also what are the running currents, and idle currents

Why a starter is used for a motor?

Do you know how to joint the H.T and L.T Cables?

How you take care of a motor from over loading and what are the different overloading ratings of different motors?

Do you know the faults occurs generally in motors and how to rectify them

Do you know the overhauling of a motor?

Do you know the alignment of a motor?

What accessories required to give the motor with given circuits and do you know the ratings of those accessories

Do you know how to connect a motor of different H.Ps?

Do you know how to maintain a generator, if so what are those maintenances?

How do you maintain the batteries for generators, what is the daily maintenance of a generator?

How do you maintain the earthing resistance?

What should be the earthing resistance of an industrial substation and also

What should be the house hold earthing resistance?

What is the rating of your substation and what are the different types of substations?