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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

230v 1 phase Phase and Neutral insert in Bulk water what happens.

IVRCL,

1 3856

what is the safety points of vaccum circuit breaker.

2127

what are protective device needed to power a 360W ,50hz,240v,single phase,0.65 pf universal motor

L&T,

1 4324

in magnetic field we send current to generate flux,why not voltage?

2 3941

IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

2419

how to convert 1 phase power to 3phase power by using induction motor. . . .

BK Anand,

1 3939

what is the difference between high impedance and low impedance circuit?

2 5467

How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

1 3307

What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

2008

How cable from Kit-Kat to main switch, from starter to motor are designed?

2161

FULL FORM OF MCCB

3 6457

explain wiring system

2623

why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

2064

why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts we can not ground the battery.

GE,

6 18917

wat is meant by PX class in ct?

2092

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Un-Answered Questions { Electrical Engineering }

What are the disadvantages of hydropower?

1304

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1904

What is a diode?

1115

How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

1675

How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

2033

I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

2513

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

3101

hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

2729

What is the numerical quantity of sqcm?

2071

what is the importance of Partial Dischage test for Electrical Equipments

1974

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1792

Explain RLC circuit?

1228

What is sink and source?

1249

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

2179

Why the output of OP-AMP is always less than Vcc?

1975

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