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 MUCH KVA DG SET REQUIRED for charging 12v 4000 ah battery?

3 7810

What is corona ? Mention its positve effects .

1 4981

why is corona loss greater in a stranded conductor as compared to a solid conductor ?

2 7429

Why CT's shall not be kept open?

ABC, Qatar Gas, TIPL,

5 9018

Why CT secondary is grounded?

4 7553

What is the principle of residual protection?

1992

why auto transformer connected in star?

1 4193

what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

2110

why is one voltage transformers (instead of three ) installed at the entrence of the incoming line in a substation.

2 3981

what is the transformer rush current?

2075

why occ curve is not tracing back when we are bringing rheostat back in reverse direction?

1963

if dc is better then ac...then why we are perfering ac over dc?eg:at home?

2 4758

what is rated speed?

Actavis,

4 6725

Why two main buses and one transfer bus scheme not using for 400kV switchyard

5 14046

what are the 4 rules to start the motor?

JK Associates,

2118

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Un-Answered Questions { Electrical Engineering }

Briefly describe your ideal job?

2966

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1786

What are the special cables required for explosion proof wiring?

3571

How can we calculate ac current from the given DC current when AC voltage is given?

1952

Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

2148

what is mean by dry frequency

2458

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

2093

If we want to change a contactor of faulty one what are the conditions want to fullfil

1991

what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

3805

how to determine ct ratio in ht vcb?

1843

Which material is used for the core of a transformer and why?

1103

electrical knowelge

1169

HOW WORK HEAT PLATE EXCHANGER

1989

What are the different types of LT Cables?

1083

write down the formula of cable size in RM if current is 50Amp.

1340

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