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 transmission line 11Kv OR 33KV,66Kv not in 10kv 20kv?

A2Z Group, Baiji Power Plant Gas, Electrical, HCL, Kirloskar, Mepco, NEPC, OAMC, UNI, University of Lahore,

43 126359

What is different between DOL(Direct on line starter), VSD, S/S(Soft starter), and A/T(Auto Transformer)

2 56598

what is diffrence between neutral and earth wire

Bhel, Esab, MTNL,

23 37667

what is the method to measure the transformer current carrieng capacity in three phase.

1 8433

Why USe In -48 DC Volt !

3 6205

what is MAR

NCC,

1 6049

what is the difference withbeen lighting capacitor and motor capacitor?

2 8212

Hi Friends pls give information regarding BARC written test. am attending by 20-5-2008. mail me to kkumarei@gmail.com or message to 9962122264

BARC,

2 7573

why humming sound occured in HT transmission lines.

GE,

9 31287

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?

GE,

26 29778

hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

2073

some practicle study shows that the reactive power at the receiving end is not equal to the reactive power at the sending end.But according to theory the reactive power is exchanged by different parts of the network – capacitors and reactors permanently, but is never consumed or produced. Then Where that reacrtive power loss occuring?is there any formula to calculate reactive power loss?

3 6140

what is self commutation how a thyristor discharges through a capacitor and inductor

3 16778

why HT voltage rating in multiple of 11

ISRO,

12 32262

what is phase to phase voltage? what is line to line voltage

Exmar, HBL Power Systems,

46 145434

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Un-Answered Questions { Electrical Engineering }

What is making & breaking current ???

1577

why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1890

what will happen if frequency is below 50 hz?

2086

Draw the single line diagram of the power station?

1133

hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

1936

I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.

2110

Which type of DG need Netral Earthing?

5377

At full load wat is the motor p.f And at no load will is the motor p.f?

2179

Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

1924

Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

3088

how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

2393

we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

7215

HOW MANY TYPES OF FUSE?

2149

What is meant by Load Encroachment in OHL Feeder Protection?

3698

Which standard we are following earthing resistance test

1467

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