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 3772

what is the safety points of vaccum circuit breaker.

2091

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

L&T,

1 4256

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

2 3849

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.

2372

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

BK Anand,

1 3873

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

2 5370

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 3230

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.

1977

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

2121

FULL FORM OF MCCB

3 6352

explain wiring system

2586

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

2021

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 18712

wat is meant by PX class in ct?

2049

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Un-Answered Questions { Electrical Engineering }

What is the formula to calculate the rating of power cable for three phase current.

2141

Give atleast 20 alternating current apparatus and devices.

1779

Define phase cross over?

1143

Dry type transformers

1886

What is the main cause of magnetism?

2093

Cb closed condition if there is a tcs fail whether cb will trip or not

1836

i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2620

Classify drilling machines.

1168

before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

1667

Inverter. converter. Ups.MCB.solar.alternators. motors.

2001

how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

1903

State norton’s theorem?

1115

please write motor, transformer, Generator setting, fault level calculation of Tr.etc

2062

If a high resistance fault occurs,then what are the changes will happen in the system?

1471

defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

3707

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