Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

total numbers of earthing of a transformer

1 2903

How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

1605

Full form of bdv test?

Hi Tech Transpower,

2 3684

simple way to find busbar sizes??

SPAC,

1 2748

Why to keep capacitor bank off while generator running.

GIT,

1742

Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

1684

why the carbon brushes are broken in srim while the motor runningtime

1652

What is difference between Sample test and Routine test in safety standard?

Chicony Electronics,

1887

i have a motor 55kw how u will calculate cable specification for this motor

1 3506

what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

KPCL, MDIM,

1568

On what basis the the size of Lightning arrester for buildings are selected ?

KGD,

1613

What is the mmf,rgt and ngt please brief completely

cpgn,

1596

How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

cpgn,

1738

Why reverse relay used

cpgn,

2 3140

I have 10 amp MCB for my air conditioner of 1.5 ton capacity. When I connect the ac direct it is started running but when connected through stabliser the Mcb Get trip and air conditioner couldn't start.please confirm whether Mcb is required to be upgraded to 20 amp. There is no fault in ac and the stabliser. Please advice the reason of tripping the mcb when connected through the stabliser.

1 3589

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Un-Answered Questions { Electrical Engineering }

why to use freewheeling diode ( diode in revers bias mode) across dc coil

4932

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

1557

Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

1772

What is PEC??Applications........

1925

A jet of fluid strikes a plate What was the force required to counter it?

1841

specific difference of ICT&Auto Transformer

1855

what will happen if OLR CT in all phases are short circuted

2131

define superposition theorem thevnin theorem ,norton theorom?

2349

How time response of the system is divided?

1154

Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

2211

why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

2055

why we r not earthed Control cable of C.T. terminals

1990

how is the testing of an REF relay? what are the test REF circuit having?

1953

can i use ups power as a raw power for another ups

1937

hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

1859

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