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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Is corona effect occurs in Induction motor. pl. justify the answer.

KPS,

4 8842

Why consumers are charged based on Kwh basis why not on Kvah basis.

Unitech,

4 9957

One Township having 850 house and each house load is 2.2KW single phase & 5HP 3 Phase motors of 10 Nos .Who can calculate 11 KV transformer capacity .dilip_bhasker@yahoo.co.in

1 4245

What must the distance between two MV cables be when they are laid on tray?

2218

What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

1992

WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

3 6259

Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

1886

what happens when power factor leads or lags to electical or home appliances

2 6243

any one can explain the stages of a knee point which is taken during ct magnetising curve.

Tata Steel Limited,

1734

what is V=4.44FBN, THIS 4.44 ONLY U GOT the voltage in term sof 11, 22 etc this 4.44 u will get from form factor which has a value of 1.11

1 3354

sir, is there any ratio,this much of A.C volt is equal to D.C voltage

3 6206

what is die electric strnth of transformer ?

2137

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1951

working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

4 12132

the input mechanical power of a single alternator is increased,its RPM increased but in case of an alternator synchronised with grid its RPM does not increased with increase of input mechanical power. why?

Bhel,

3 8602

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Un-Answered Questions { Electrical Engineering }

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

1827

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

2718

Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

1966

there are cam operated switches - why we call cam operated , What is cam ?

1869

why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2886

im electrical engineer, could any one help me for FEWA exam questions please ?

1075

May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

1454

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

1929

what are safety measures in /control in diesal engine/ explain them?

1742

What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2595

What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2850

which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

2466

what is 400kv doble circuit quadpole tower?

1909

why we use sinosidal voltage / current instead of others in system?

2160

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

1578

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