Electrical Engineering Interview Questions
Questions Answers Views Company eMail

will the power consumption remains the same when speed of the fan cnanges??if so y??

2 4201

single phase brower fan with control starter. *problem is when operate it.It will be trip.

1 1578

what is the relationship between induction motor and transformers?

Reliance, College School Exams Tests, Engineering,

11 25506




what is the funtion of conservator in transformers?

7 32263

what type of oil is used in transformers? a)conduting b) insulating

ABB, LGS,

25 41159

which type of motor is suitable for lift?

NTTF Nettur Technical Training Foundation, Pothigai Power Solutions,

18 35015

what is the difference SCR & TRIAC?

TCS,

13 53432

which motor is suitable for traction? why?

KPCL, BCH,

15 38770




why the neutral point is zero in star connection?

4 11960

why the auxilary(starting)winding is provided in single phase inductoin motor?

5 3307

why rotor resistance starter is not suitable for squrielcage induction motor?why it is suitable for slipring induction motor?

5 8692

what is the concept of star delta starter?

7 13412

Define current?

14 6983

what is cutoff voltage?

3 3719

what is the difference between diode and zener diode?

21 77443


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Un-Answered Questions { Electrical Engineering }

i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

796


What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

4739


can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.

622


Which do you think is the most significant cause of energy loss in a factory?

971


diff b/w normal grounding and resistance grounding

633






what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

658


WHAT IS ELECTRICAL MAINTAINTENCE ?

662


What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

553


I WANT BHEL PREVIOUS QUESTION

1061


what efficiency at 70% loaded transformer

802


what is the meaning of vcc

986


why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

670


Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

689


. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

773


in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?

861