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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

difference between ac motor and dc motor

5 19861

why aggregate is placed all around substation ground.

9 14861

whats is MARX CIRCUIT?

1 10309

What are the earth resistance Standards of 66kv sub stations according to indian norms.

2 4303

what will happen when a bulb s connected btwn two phases of a three phase delta connected source?

6 9477

why ac supply neutral should earth not in dc (-)

2 6613

Which Kind of machines(in terms of poles) give the smoothest DC

1944

Which type of gas used in cylinder (VCB)?????

ICSA,

15 24366

If I want to use capacitor banks at HT (11 KV) side for maintaining power factor then which type of capacitor should I use? Plz give me the specification?? (I am using 1250 Kva transformer (11 KV/433V)).

2 10604

how to calculate lux level in out door (yard lighting) please expalin with a example

IVRCL,

1 5988

What is the major difference between cnc and plc. why cant we use plc instead of cnc

5 38346

What is difference between ball screw and lead screw.

2 9404

selection of conductor in different voltage?

TATA,

1 3447

What is the most accurate way of testing ELCB?ELCB is better than RCD?

GECO,

3293

what is MFD value in capacitor?I have 201 Kva load & reactive power is 150 Kvar. so how it is calculated?

IIT,

2 9309

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Un-Answered Questions { Electrical Engineering }

how to work droop ct in generating station

2643

why u r living from presentaly working.

2511

A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

1275

what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1754

delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

1961

What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

2176

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1825

What is the current carrying capacity of 35sq.mm flexible cable?

1420

what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

2049

what is the acceptable limit value for Desolve Gas Analysis/

1934

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

2898

A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

1541

what is 3rd Harmonics? how it is generated in alternator

9370

WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE

2043

how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

1395

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