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 TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

CA,

2 11230

what is the difference between KW and KVA?

15 69560

how do find power factor in practically and what it means?

3 7873

why transformer rating in kva ?

Eltel, RRB,

14 24074

Why the transformer rating is denoted in VA rating why not in KW

7 16479

what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

BEL,

3 10777

What is the reactive power and how to control the reactive power in power plant

14 27040

Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

ABC, Kirloskar, Sify,

15 49232

What is the difference between CRNO and CRGO in an transformer and what is the advantages of these two.

Anchor, CIL, ETA, Kirloskar,

13 73739

sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

HPCL,

2029

i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

Bhel,

1977

in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 28240

What is the difference between Neutral and Earth

Bhel,

6 11583

How do you select a cable size(cu and Al) for a particular load

Pepsi,

6 13548

How do you select a cable size(Cu&Al) for a particular load

Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,

10 33495

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Un-Answered Questions { Electrical Engineering }

State nyquist stability criterion.

1175

Why use the vcb at high transmission system ? Why can’t use acb?

1323

What does the a,b,c of 95a,95b,95c relays denotes?

2670

plz explain the auot-reclosing circuit in electrical engineeing

2479

I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?

2040

How will polarity test of Dy5 Transformer ?

2269

What happens to a motor if it is connected in Delta connection

1059

Can anyone tell the proper diagram of star delta starter????

1930

What is Phase margin?

1102

In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

2161

what is the voltage between earth to neutral in lift.

1826

What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?

2248

one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

2138

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

2171

what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

2311

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