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 inverse definite minimum time lag relay? Where is it use?

TATA,

2822

How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

MSP, Toyo Denki,

3311

What is the current flow in 230v ac supply ? What is the current flow in 415v Ac supply ?

1 6236

what is the value of the earth resistance in mositure place

HCL,

3 5999

if u give d.c. supply to transformer primary then what happen.&why??????????????

DCS, DRDO, HCL,

4 9399

how to calulate transformer secodary fault A?

1 4465

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

Alstom, L&T,

4 16324

A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 5499

The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?

MPSC,

3 8969

What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!

IFFCO, IIT,

2198

what is the use of terminals in transformer ?

Core Solutions, Honeywell,

1 5254

which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

Alstom,

2 5977

What is the full form of CNC in electrical mechines.......?

Alstom,

1 8634

How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

2179

what is power factor

Exide,

5 8921

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Un-Answered Questions { Electrical Engineering }

How to distinguish whether MCB is DC or AC looking at it physically

1972

how can we make cable shedule for controll wiring ? which details must be required for it.?

2144

can i use ups power as a raw power for another ups

1983

On what principle electric motor works?

1199

what are the stresses in circuit breakers ?

2020

can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1994

which is the best institute for PLC,SCADA,DCS in hyderabad

2355

how to identify vector group of three phase transformer by voltage method?

1624

please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1846

Why is a plain induction motor unsuitable for wide speed control?

2276

How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

1982

what is a reactive power? what is the relation with power factor?

2188

What are gain margin and phase margin?

1388

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

2094

star delta starter contorl circuit... drawing..

2088

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