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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why we use perllel conection system in the wiring?

Airtel,

4 6736

why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 8491

HOW TO TEST A LIGHTENING ARREST ER ?

Bhushan Power Steel,

2200

FOR 3 PHASE DISTRIBUTION,WHY WE USE ONLY THE VOLTAGE LEVEL OF 440 VOLTS

AITM,

1 4048

what is technical diffrence between table fan and ceiling fan

5 6922

In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

JSW,

2 5653

If there is unit power factor in a power house and a capacitor bank used in a factory at resistive load . In this case, will there leading power factor in power house across that factory.

2 4690

where was current transformer protection units used and why??

2038

there is a # KVA Transformer of 11 KV/440V, in simple(not use formuia) how can you calculate it's HT & LT side current.

Construction, wbsedcl,

5 23937

what is the solution for meger test failed the MV cable?

1 4267

What is the formula that shows relationship between voltage and speed in an induction motor

2 5181

i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

May Baker,

2210

show the single line diagram of star delta starter with single phase preventer

4641

What safety followup during kWh meter isolation

2102

what are the things that can cause a three phase motor to crawl?

1 3568

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Un-Answered Questions { Electrical Engineering }

The power supplied to a 50mH inductor from a 120V, 60Hz source will be

4793

What is the principal of motor?

1101

What are the differences between single phase and three phase?

2042

percetans

2187

Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

1977

how calculate the electrical load for industry and office

9323

What are the disadvantages of thermal power plant?

1089

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

2071

IN dc capacitive reactance is??

1395

i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

1977

What is the distance between each insulator in 33kv transformer and how can it calculate

2184

how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

2641

How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

2126

What is safety of Ht panel

1659

plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in

2407

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