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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

Bhel, Wartsila,

1 5616

pls send previous bhel electrical papers

Siemens,

2028

how set earth fault over current in relay

Jacobs, Reliance,

5 18221

what is the difference between the electrical and electroncis

TCS,

15 21741

Which is capital of Indian State Tripura ?

RRB,

13 20939

can we step up dc power using transformer?

15 22394

In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 8345

condider as 100 w lamps glowing . for completing a one unit how much time it should glow

Avalon,

3 19324

what is the difference between the diode and the rectifier

Avalon, L&T, Mahacol Trexim,

17 44992

can any one tell me the formula for calculating the power and unit consumpetion

Avalon,

9 16860

what happan when ac power transmitted in unity power factor

JE, Maihar Cement,

12 21813

which %age if losses increases when frequency is increased to 25%

Maihar Cement, Siemens,

4 8426

which %age of corona losses increses if frequency is increased to 25%.

ADCET, Maihar Cement,

3 8982

why heat produced at junction of two different conductor. what care should be taken to minimize it.

Birla, Maihar Cement,

11 18981

What is the difference between voltage transformer and potential transformer?

ABB, ETA, Maritime Academy, MSEB, Reliance Jio, Voltas, Wipro,

38 100082

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Un-Answered Questions { Electrical Engineering }

List the power rating of any 5 important electrical appliances used in houses.

2111

CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS

1919

Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.

2242

WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

2275

how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1913

I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

2125

What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

2228

will there be any problem by recovering slip from single phase induction motors?

1927

what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

2467

how to handle 2500 kva transformar

1670

What is frantic effect?

1320

What is the instrument to check the rotating diode fuse of alternator in running conditions?

2514

i want to learn control schedule for 11kv panel? can any one send the detailed control schedule?

2473

can any one tell in easy method for circulating current ??

2206

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

3062

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