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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the value of 3 phase voltage?

RECPDCL,

8 8078

why do we need a 4th wire in 3phase 3wire transmission line

 6 7474

What are the limiting factor for controlling maximum hot point temperature within a hydrogen and water cooled generator?

 1 3040

resistance of transformer oil=?

HCL,

1 3611

What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

 1 18411

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

 1 2680

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

Sun Pharma,

2 6401

what is the internal working of star delta starter

 1634

in a plug point why the hole size at the top is large?

Bhel, TCS,

9 10819

what is 'A' Check & 'B' Check ?

 2 3427

What is single break or Double break related to MCB?

 2 4541

How to convert KW to KVA or KVAR OR kvar/kva to kw?

 8 77777

open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?

Aarti Drugs,

1 2130

what is an S.C.R. and how do they work?

GE,

4 5714

How line capacitance & line inductance varies with increase in height tower.

 1855

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Un-Answered Questions { Electrical Engineering }

what is model question rrb junior engineer electrical gr.II

1538

Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

4242

How does an oscillator differ from an amplifier?

655

What is mean by Sensitive Earth fault & what are the effects

3739

What do you mean by a voltage transformer?

673




How does a battary stores charge in it? please explain in simple manner and in detail.thanks

1525

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1167

How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

1411

What is meant by celling voltage & current in excitor ?

1564

Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

7300

how does high earth to neutral voltage affect electronic equipment?

925

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

1502

Why the efficiency of generator is more than motor in swinburne's test

1565

what is thermal resistance of PVC Cable.

1340

Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

1319

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