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 solid earthing means?

3 18712

difference between a four point starter and three point starter

9 78734

wts d diff b/w C.T. & P.T.?

9 19238

enlist types of dc generator

Philips,

8 14861

plz tell me in detail about c.t. and p.t. ?

Reliance, SCL,

3 8936

How to calculate electrical Induction motor heating and cooling time constant,11KV,2850,12P,SCIM

Bhel, Regal Beloit,

2 18062

In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

Aegis,

2225

for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

Engineers India, GCC, KP, QPSL, Siemens,

6 18423

EXPLAIN THE TRANSFORMER MAINTENANCE?

Enercon, ERT, GEL,

2221

errection check list for transformer maintenance

RRB,

2562

how we select the fuse and OLR rating for 3 phase induction motor from 1HP TO 100 HP?

Thermax,

2 12584

our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

3 5156

if we are using ACB in a panel the how much clearance do we need in panel room.

2 4753

For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

Piramal Glass Limited,

4 30294

can we use metering current transformer as protection current transformer if not why? & if yes why?

Wartsila,

5 16604

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Un-Answered Questions { Electrical Engineering }

sir i had plane to do some project with the base of hopkinson test in AC supply its possible

1831

Explain The Application Of Storage Batteries?

1107

If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

2075

What is open delta Xformer? It's adavntages & Use?

2188

What is hipot test procedure?

1418

How many sprinklers should be in one pipe line?

1917

In parallel operation time both NGR’s close or not close if both close what will happen

3684

HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

2448

i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com

1977

what is arc flash and what are the hazards involved

2116

WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

2265

when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

1724

why ht cable end termination don't have a gland?

2895

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

2040

what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

1990

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