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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

NTPC,

7 13493

how to measure the A.C flux .-instrument

NTPC,

8 12576

which subject is better to tell when hr asks the area of interest?..

2071

if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

4 10065

What is the meaning of Fault level rating?

Balrampur Chini Mill,

1 10953

Why semi-conducting insulation is used in XLPE cables?

1 4998

I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

11 41143

what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

2746

how can we change the rotating direction of single phase AC induction motors?

Heubach Colour, L&T, MNM Jain Engineering College,

12 80478

why C T secondary are rating 5A generaly .

7 12935

why earth hole size is biggest in socket point.

5 9830

If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.

GE, HP, Reliance,

3 8985

If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.

HP,

2 6620

What is transformer break down voltage.And what is flash oil flash point.

HP,

1 5762

Why dc Supply used in Control circuit.

HP,

12 30499

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Un-Answered Questions { Electrical Engineering }

Dear sir, I have completed DECE in the year 1995. I have work experience in HT and LT LINE more than five years. Now i am doing BE in EEE from rajasthan university. After completion of BE,can i apply "C" Licence sir? Please reply.

1911

What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

2162

what are the application of over current relay?

5248

Can u Explain about the electronic trivector meter and the use of data converters in them?

2366

how to measure earth resistance of a substation

3324

IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

2089

What is different bewteen low or high impedance busbar protection scheme

4118

how to operate and maintenance of 1500 kva diesel generator set

1811

If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?

2286

How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

3460

What is PEC??Applications........

1977

what is the difference between vector scale and vector diagram?

4460

advantages & disadvantages of Lagging and leading power factor .

9626

Anybody know how schematic diagram for reverse power relay? RPR for generator protection

2132

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

2648

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