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 elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

DLF, Tata Steel Limited,

1 13713

why the stator is not laminated in DC machines?

4 16277

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

IOCL,

2000

if we convert kw into kva,which one formula use by us,pls tell me?

ABB, AEC, BGH,

19 27809

if we convert watt into kva,which one formula use by us,pls tell me?

ABB,

16 22757

if we convert Ampers into kva,which one formula use by us,pls tell me?

ABB,

10 13877

if we convert kw into Ampers,which one formula use by us,pls tell me?

ABB, Essar,

9 14306

if we convert kva into Ampers,which one formula use by us,pls tell me?

ABB,

7 11599

if we convert ampers into kw,which one formula use by us,pls tell me?

ABB,

11 19892

How to decide and select the different earthing wire size for the different types of earthing

Suzlon,

2276

What is the safety factor is to be consider while selecting the switchgear and protection for electrical system

1 4592

Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

IOCL,

7 11054

What is transformer saturation?

1 4209

every motors written in name plate IP 55 what is this?

2 27029

what is general test conduted by transformer

Wipro,

8 14122

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Un-Answered Questions { Electrical Engineering }

what is die electric strnth of transformer ?

2187

how we can calcultae the short circuit level for bus bar

2239

The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

2010

Why do we require transformer with less specific weight if supply frequency is increased?

1583

HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

2118

How can ou verify the size of conductor 50Sq.mm ACSR

1952

please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

1969

What is resolver and glass scale in CNC how they work?

2282

how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

2297

what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

3327

exolain the star delta connection

2678

which protection used in power plant?

1958

How to discuss the phase shift of transformer considering open delta?

1467

briefly explain the main blocks found in a microprocessor based system

2194

we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.

2127

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