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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

1978

How to convert 2 phase to 3 phase electricpower in induction moter?

HCL,

2121

what are all the preventive maintainance carried out in DG?

TATA,

1 4003

what are all the daily preventive maintainance carried out in transformer?

1 3536

what is the use of buchzloys relay?

2 5472

what is the use of breather in transformer?

4 12008

what law motor works?

3 5820

How can we calculate D.C.Load current in terms of A.C. load current?

2 15716

what is emitter follower configuration? and what are it's features?

IBM, TATA,

1 3526

IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

2169

What is meant by RVT and NDR ? expansion and details of it

3035

current transformer cannot measure voltage or not ? then y we use P.T ?

Bhel,

1 2877

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

ABB,

1 15365

If single phase having 220v so why 3phase is440v.

DLF,

7 24236

please describe the Transformer setting, Motor setting, I/C setting, Tie setting

1776

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Un-Answered Questions { Electrical Engineering }

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

1634

What are the special cables required for explosion proof wiring?

3577

State the formula for overall efficiency of thermal power station

3039

Enlists the applications of sampled data systems?

1089

1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

6304

What is VSCF windelectrical system?

1905

Why derating factor os applied on Cables?

1956

who invented active elements? plz give me the complte details of active elements...

1843

How we calculate DC inducation moter Amp? Sir pls give me formula......

1836

How one can check the MAIN of a house wiring ?

1969

Explain Energy and Power signals?

1769

why not starting switch first connect in direct on line starter?????

1935

What are the types of transformers according to the arrangement of iron cores?

1126

If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

1883

What is the difference between resistance grounding system and resistance earthing system?

1091

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