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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

ELCP USE IN 3 PHASE SUBMERSIBLE PUMP? THEN USE 3 POLE 0R 4 POLE?

4 7734

what is the difference between surge protection capacitor and surge arrestor

NCS, NCS Sugars,

2319

What is the diffrence between ofline ups and online ups?

Intel,

3 7110

What is the purpose of RECTIFIER ASSEMBLY in AC power generators?

2 7129

Why we cant store an ac power. If we coo store in which device we can?

Jindal,

2176

I am looking for LV CT test. To check the polarity of the CT only. Can you suggest any supplier. Different companies are offering CT/PT Tester which is expensive. Thanks

2 5230

WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

1964

difference between a diode and thyristor?

2239

What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?

2348

1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1997

What is load shedding?

1 4713

What do you mean by eddy current loss?

1 4563

What are the causes of eddy current losses?

Schneider,

1 4734

when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 5287

Our Alternator nameplate specifies a power factor of 0.8. When the Alternator is on light load, the bus bar voltage rises to 11240 volts, whereas the standard value is 10500 volts. Is it ok to increase the power factor to 0.85 or 0.9. I am afraid because the power factor on the name plate is only 0.8 ?

Escube,

3 6637

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Un-Answered Questions { Electrical Engineering }

WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

3180

Is it possible to measure the voltage of a battery from a single terminal?

1737

quantizer means?

1944

How can we measure the residual voltage in dc machines?

1867

How to measure size of cable on a given load

1833

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

2188

Is there any guideline say about display of earthing value near to earth pit

1203

What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

2069

Is RTCC panel needs any control supply.

2052

when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

1769

howmany electrician should maintain for a 1000 kva used plant... in kerala..

2109

for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

2457

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

3150

How to select a cable size for particular load?

1828

HOW TO CALCULATE HV CABLE SIZING?

3215

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