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 meant by magnetic flow meter ? explain its working principle ?

1 4573

1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 15947

1.wat is the purpose (or)function of regulator? 2.wat is the purpose of stabiliser?

3 7754

1.wat is the negative slip region in the motor?

1 4595

what is meant by motor protection relay & its working principle ?k

Pricol,

1 4422

what is meant by power factor ?

Harita, Pricol,

17 21034

what is the difference between KVAR & KVA ?

Bombay Rayon Fashions, Hyundai, Pricol,

11 32170

how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1731

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

CMERI,

1964

why the motor running in delta connection ? it can be in star?

NTPC,

13 56811

what is the use of power factor ? where its applicable ?

4 13444

either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

1840

In VSD (variable speed drive)I/P and O/P connections given wrongly what will happen?

5 7859

I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help

6 7842

Getting nusense tripping in a 11KV soft starter, have checked all it control supply & contactors but did not get any fault please help.

3 5424

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Un-Answered Questions { Electrical Engineering }

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1755

Explain the working of any one cutting machine

1052

if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

1884

What is bridge rectifier and explain with details

1881

how to calculate

1640

For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

1182

How to calculate mf when meter equipment and meter are connected

1681

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1670

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1905

Why the earth to phase voltage is high 250 compare to other two phases

1467

what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

1921

Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

1297

What is pole of the system?

1098

State kirchoff current law?

1039

How can we calculate the motor frame sizes?

3376

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