Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are electric motors?

68

What are the applications of the electric motors?

50

What is meant by reactance voltage?

58




How many types of electric motors are there?

56

What is the basic principle of operation of alternators/dc generators?

68

What is the use of bundle conductors?

57

How many types of electrical earthing are there?

59

Why does the adjacent zone of protection overlap?

63




What do you mean by reach and reach the point of the relay?

98

What are the internal and external faults?

54

What are the effects of electrical faults?

57

What is electrical grounding?

54

How many types of protection relays are there based on the characteristic?

56

What do you mean by the zone of protection?

62

What is a slack bus?

57


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Un-Answered Questions { Electrical Engineering }

what are the parameters plays a major role in Potential transformer Burden calculation??

1035


How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

1035


What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

913


which types of relay used in acb and vcb?

1652


A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1185






What are the basic component of a cro?

74


How to measure the Harmonic Distortion of UPS ie THD?

1195


HOW TO CALCULATE EARTHING SIZING?

935


Air refrigeration cycle works on the

80


Define end float in a motor?

4850


Star Delta Diagram with full description

1287


Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

930


What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

995


what are the possible reaons & remedies if resistance of NGR getting heat up

826


why and where we use early make & late break contacts in protection?

6644