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 is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

KOTC,

1628

If auto trip is operated, can you close the breaker.

KSEB, L&T, Siemens,

2 3074

Why you are switching off arc protection mcb when you are taking shutdown for lv board.

KSEB, L&T, Siemens,

1657

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

KSEB, L&T, Siemens,

1596

How you give clearance to a spare feeder.

KSEB, L&T, Siemens,

1652

How to put breaker in service / test position.

KSEB, L&T, Siemens,

1 3557

Operation of isolators.

KSEB, L&T, Siemens,

1848

Load transfer in 11kv double busbar switchgear - operation.

KSEB, L&T, Siemens,

1912

How to check the cable fault / hv test of transformer cable.

KSEB, L&T, Siemens,

1840

How to do maintenance of transformer feeder.

KSEB, L&T, Siemens,

1822

How to do maint. Of busbar.

KSEB, L&T, Siemens,

1 4239

Single line diagram for dbb (double bus bar)system.

KSEB, L&T, Siemens,

1900

Which type of arc protection devices used.

KSEB, L&T, Siemens,

2 4139

How earthing of switchgear system to be done.

KSEB, L&T, Siemens,

1899

What are options used for earthing the switchgear.

KSEB, L&T, Siemens,

1824

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Un-Answered Questions { Electrical Engineering }

What is transformation ratio what it describes?

1657

In dc ckt. 24v or 110v, which one is more efficient and why?

2191

What is the meaning of dedicated earthing?

2099

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

1829

How can we increase fuel-power ratio of any DG set?

1776

is there any lightning by passer is arranged in ship like buildings?

1896

Name the component u would expect to find in a switchgear assembly?

2003

How colour picturetube works & how many year it will works.

1979

XYZ

2101

what percent do you derate your copper wire when you change from copper buss to copper wire

1955

What is the instrument to check the rotating diode fuse of alternator in running conditions?

2438

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

9534

sir plz send some previous year questions of jspl.

1895

how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

2949

what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor

1968

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