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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

in 33kv/11kv stepdown t/f why should we use Star point

2 3532

When PRV operated at power transformer ,can anybody tell me particular pressure for 50mva transformer plzzz.

BWSSB,

1 2637

difference between local breaker backup relay or backup protection relay ?

1 2800

Does VT metering core can be used for synchronizing.

Shrishti Power Technologies,

1 2590

Please explain, how to test vector group of tranformer(Delta y1) . Thank

PGCB,

1701

how to test YNyn0 vector group in transformer?

3888

Master trip relay code no

TR,

2 3814

if reactive power become zero in transmission system then what effect on system.???

Sedemac,

3 5775

Why double earthing is required ?

1 4082

What is the meaning of dedicated earthing?

Dabur,

2169

The basis on which voltage selection of motor is done i.e. either HT or LT.

DAE,

1 3329

What is cogging and crawling phenomenon in motor.

DAE,

2 4414

I want to know that a 160kva diesel generator contains capacity of 160kva on each phase like R=160 Y=160 B=160 total RYB=480kva or it is total capacity of all there phases like RYB=160kva ... thanks in advance ...

jlpl, JP Saraswat Engineers,

2 3403

what is inverter and converter

Hindustan Syringes and Medical Devices,

1920

If age of Raju is 20% less than Sanju,then age of Sanju is how many % more than Raju

Tech Mahindra,

2 4469

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Un-Answered Questions { Electrical Engineering }

What happen in ups if phase reverse?

2288

why the NGR (neutral grounding resistor) always OFF during DG off?

3478

What do you mean by the zone of protection?

1096

Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?

2031

Explain what are inter-poles and why they are required in a dc machine.

1090

what is the difference between an alternator and a synchronous motor

2020

what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?

2215

Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

2195

what the Microsoft .NET framework is?

2002

What is the difference between hot and cold loop testing?

1144

How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

1990

When are the directional relays used?

1062

I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

2000

Sate maximum power transfer theorem?

1115

Under wat condition statcom operates as an inductor for the transmission line?

1937

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