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 will happen if the secondary of current transformer kept open....

11 18666

what will happen if the secondary of current transformer kept open....

KSEB,

16 34754

when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......

3 5726

how to select the power contactor in Diffrent AC motors.

Titan,

6 26287

How much RPM in Turbocharger in Diesel engine.

Greaves, MAHINDRA,

9 46718

What is the maximum size(MVA)of power transformer available in the India/world?

Adani,

13 28732

What is the dimension of A4 sheet in mm?

Bhel,

6 12731

What is meant by Reactor in power system and what are the uses?

EEE,

11 51438

Can anybody tell me how to calculate(formula) earth flat size(for copper and aluminium).

3 6976

why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

IOCL,

1 4837

what is the difference between megger and earth tester?

Ashok Leyland, IOCL, RRL,

28 106645

Why we use the D-curve MCBs in critical power distrubution.

Sodexo,

4 8524

What is mean by INRUSH CURRENT?

8 15855

I want the details about BHEL company examination.Can anyone able to help me please.

2053

What is the use of core in the transformer?

19 51963

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Un-Answered Questions { Electrical Engineering }

if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

2073

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

2053

How do u analyse protection fault when vcb tripping on load

1652

What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

1776

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

3060

WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

3980

why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

2963

What is inductance?

1193

What is sensitivity of a measurement?

1139

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1714

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3841

Define damping ratio.

1238

what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.

2201

What is purpose of reactor?.What is different between line and bus reactor?

1946

does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

1920

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