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 happen if the secondry winding of the transformer is having less no of turns compare to the primery winding.

2 4825

why the single phse machine can not run by the three phase supply.

2 5122

Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

2100

what is the significance of positve n negative voltage regulation .on alternator

TCL,

1 5261

what is power ratio between star & delta connection of 3 phase induction motor

1 5060

why capacotors burnt out

GMR,

2 4687

which plant has high load factor

APTransco,

10 11624

power factor is max for which welding a.arc b.resistance c.gas

Bhel, HCL,

2 4610

What does impedance in the windings of transformer signify.

Johnson Controls,

2 6814

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1943

what is difference between vcb and mccb

APTransco,

4 7395

what is power?

1 4641

WHAT IS INERTIA,AND WAT IS TORQUE.

2205

how to calculate voltage drop and followed by cable calculation?is there avail in formula?

2069

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

HAL,

2149

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Un-Answered Questions { Electrical Engineering }

Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

1839

What does the term power factor shows?

1123

Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

2157

What is the mechanism of WTI

1801

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

1943

My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

2105

What are the difference between normal application Transformer and Solar application Transformer?

1656

What is meant by short-pitched winding?

1209

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

2264

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

1982

what is lrs tank water resistance.

2546

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2273

Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1929

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

3947

Which is the largest hydropower station in the world?

1144

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