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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

WHY THE TRANSFORMER VALUE MEASURES IN KVA INSTEAD OF KW.

4 7411

why do transformer humm ??????????

2 5119

if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 3657

what is difference between MCB & MCCB

1 5073

WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 5203

how to calculate the size of cable tray

3 13286

what is the difference between online and offline UPS?

Prestige,

4 11782

Upload data by LSMW via BAPI in SAP system.

1 5680

the power consumption of perminant magnet moving coil?

1 3182

what material used made for the resistance,for the purpose of zero temperature coefficient?

2 4933

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS?

5 7258

2 3810

why open-delta core of 11kv Potential Transformer is 11000v/1.732/110/3?

1 6988

whats was the problem if neutral and earth got 2volt from the ups output

1 3685

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

2 6842

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Un-Answered Questions { Electrical Engineering }

what is the pre charge circuit,what will be work which function it will be use plz tell me

1926

how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?

3289

Is there a diode made that works with AC 120 volt 20 amp? If so can it completely stop all current flow in 1 direction at all times?

6720

apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

2181

HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

2499

what are the pecularity of shaver sockets ?

1919

what things to be considered when designing UPS

1776

how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

2112

Name two low frequency oscillators?

1417

how to calculate transformer turn primary & secondary side 11kv to 420v

2192

What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2162

HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????

2171

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2779

What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2658

Why we find the sensitivity for the CT's to check?

1864

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