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 do you mean by isolators and circuit breakers?

Bhushan Power Steel,

6 19402

explain all the classes with example

1963

how to calculate micom relay earth falt time and current sertting

2496

why DOL starter is use in induction motor as it is not reduce the starting torque

Maruti Suzuki,

2 7046

Dsitrubution transformer minimum IR value

1 4277

advantage of using 110v than 230v

NTPC,

1 6079

3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

Bajaj Hindusthan,

3 10279

In 63kva LT Distribution Box Why the outgoing of 63A kit kat is connected to 200 A link disconnector? as the output of kit kat is only 63 A?

Godrej, Patel,

1 4305

the fuse is use for protection against overcurrent but at normal condition it carry the rated current then how single thin wire carry this current without melting

1 4057

why rating of transformer is in kva instead of kw?

3 5947

what is inverter

Bhel,

12 15205

Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

1 6168

We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

Birla,

2 5188

Why transformer ratings in KVA not in KW?

ABB,

6 10518

We store the d.c supply...then why can't we store A.c supply???

4 9079

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Un-Answered Questions { Electrical Engineering }

How Can You Relate Power Engineering With Electrical Engineering?

1237

i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....

1908

diameter of cable and core is doubled then the value of capacitance is

4298

What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

3446

why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

2279

Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

1931

State the factors, for the choice of electrical system for an aero turbine.

1166

Between educational qualification and practical work experience, give us a brief explanation on your practical experience in your past Endeavour that you performed well to the satisfaction of your past or present employer?

2261

what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

2478

what are the condition that makes hooter blow?

2448

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

3731

Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

2168

what is the ms flat constant for calculating earth mat design calculation?

2516

What is the difference between diesel generator engine with and without turbo charger with the same capacity?

1688

A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

2013

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