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 3767

what is the safety points of vaccum circuit breaker.

2089

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 3841

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.

2365

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

BK Anand,

1 3868

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

2 5367

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 3223

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.

1971

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

2112

FULL FORM OF MCCB

3 6344

explain wiring system

2574

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

2014

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 18689

wat is meant by PX class in ct?

2045

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Why is the frequency not changed during transformation of electrical energy in a transformer?

1405

What are the transformer losses?

1174

what are the possible reaons & remedies if resistance of NGR getting heat up

1855

Can u tell me design of switch yard

2173

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

2204

Define end float in a motor?

5939

How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

2300

what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

5546

describe the constructional features of an auto transformer and its principle operation

2358

What is the power factor of an alternator at no load?

1338

Why synchronous motor is used in power factor improvement,dc series in lift

1663

How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?

2128

What is the difference between diesel generator engine with and without turbo charger with the same capacity?

1687

Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

1933

How many VSC based HVDC are there in India and the world

2236

For More Un-Answered { Electrical Engineering } Questions Click Here