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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

1.what to do if ferquency of any power system continue to decrease ?

NTPC,

5 9991

At what distance power transformer can be placed from generating ?

NTPC,

6 9999

What would be the ratio of a Delta-Wye tranformer having 48000 volts phase to phase on the primary and 4160 volts phase to phase on the secondary?

5 7590

why neutral is neccessary?

7 13495

what is the difference between neutral

10 13055

how and where megger works?

Power Grid,

9 36404

how induction generator works?

3 6463

Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

Noida Power,

2145

I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?

Data Entry Operator, RRB, SSC,

2 8833

Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

Electrical Tech,

1 7838

why a vaccum is created in condenser

Honda,

13 72308

how to check the 3ph capacitor is good or not.

MacLellan, Yash Technologies,

14 58648

how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC

2 5033

how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.

5 17404

How i can identify the 220V and 110V power supply equipment? No tag number.

4 7631

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Un-Answered Questions { Electrical Engineering }

is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

1990

What is ideal IR values for ground and neutral.

1719

71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

1634

oil cooled transformer

2175

how to design coil turns ?

1930

Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1489

How much of the total hydro power potential has been exploited so far in india?

1069

What is the role of power pack in substation protection system?

2652

technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1937

what is circuit recombiner and how it is different from circuit breaker

1827

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1941

Differentiate between kirchhoff’s first law and kirchhoff’s second law?

1013

how many stairs have you climbed while you were coming

2147

full form of electrical?

2667

Why single phase induction motors are not self starting ?

1615

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