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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the stander resistance value between the neutral and earth?

Crossdomain, Sepco,

10 23198

What is the differance between Digital Energy meter & Static energy meter? why the KWH diferance between both meters.

Raychem RPG,

3 21865

What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 9251

Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

1928

What is the average hieght of a electrical tower? what are the factors that are taken into consideration for deciding its hieght other than voltage level?

1 3748

Why does a TV set have two pin plug whereas the moniter of a computer has three pin plug? Isn't the earthing protection required for the TV set

2 6549

what is the size of ht cable of 33kv ht line and transformers ratings are 2.5mva and 5.5mva.please send formula also.

1 10809

What is the advantangeous over SFU (switch fuse Unit) & FsU (Fuse Switch unit) which one is better & application of Both?

2 25635

What is the relation of current with torque when motor started in Y-connection???

4 6829

I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

HCL, TCS,

2334

what is the working of loss of excitation relay (40G)? how it is work?

1 5736

motor is 12.5hp after starting few minets motot get hot? why?

5 7807

Whatis the procedure for getting Electrical (light) licence while Iam a diploma holder in electrical Engg . I Compleated my one yr Apprentice training & worked as a junior engineer (ele) for 2 yr(contract basis).

TVS,

1 7646

how does circuit breaker works

1 3799

11/.433KV, 100KVA TRANSFORMER is supplied with .433KV AT ITS PRIMARY. HOW MUCH KVA IT CAN SUPPLY

ABB,

8 18503

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Un-Answered Questions { Electrical Engineering }

what is fault level of power system ?

6243

Electrical Engineering

2014

What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

2957

Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

2059

When will you multiply and devide with derating factors to the actual value while sizing the cable?

1902

Define resonant peak?

1081

Control wiring of a dol starter for forward and backward

1533

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

1104

How can a equal potential zone be carried out in conductors?

1295

what will be the effect if you were using different brands of outlets?

1881

what's the exact magnitude of current, flows through Neutral?

1923

if sf6 gas low in gis what will happen

784

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

3096

Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

2469

What is the difference between Droop vs Isoch Control?

2380

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