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 2950

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

1661

Full form of bdv test?

Hi Tech Transpower,

2 3790

simple way to find busbar sizes??

SPAC,

1 2823

Why to keep capacitor bank off while generator running.

GIT,

1800

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

1720

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

1716

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

Chicony Electronics,

1937

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

1 3574

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,

1613

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

KGD,

1651

What is the mmf,rgt and ngt please brief completely

cpgn,

1635

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

cpgn,

1806

Why reverse relay used

cpgn,

2 3240

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 3676

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Un-Answered Questions { Electrical Engineering }

how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

1972

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

2034

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2071

What is Bolted fault?

2210

difrent between vcb acb sf6 and mccb breakers

5439

sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

1908

what is the voltages using in movie theaters??? why ??why not other??

2299

How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

2150

What is the importance of counter based plan & how is it scheduled?

2013

Which level of the Transformer oil got dielectric strengh? And why?

2251

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1887

How much minimum insulation required between 11kv/3.3kv transformer windings?

2430

1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

2913

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2182

What are the different sign conventions used in electric circuits?

1168

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