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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the responsibilities of electrical project engineer?

2 6177

For backup batteries connection,which method is best? series or parallel ?

ABC,

3 7673

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

NTDC,

1 5015

If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

3 6297

what is the difference between grounding and earthing......how can we differentiate each other.....

Wipro,

2 5665

How RTCC panel is working and give single line diagram for RTCC with transformer?

AB Associates,

3110

1 sq mm conductor=? how many amps

3 8733

how to calculate power

3 7832

Why mostly the HV side of transformer has Delta?

3219

how current is reverse from its normal direction during the fault?

HGF,

2457

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

Ispat,

3675

I have a transformer 3phase 11kv/410v and its name plate missing. now how can I judge its rated kva?

Coca Cola,

2 9629

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

RIB Software, TATA,

2 9212

how to calculate the cable size depending on the transformer rating

2 5729

what is the meaning of impedance protected in instrument cooling fan

3546

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Un-Answered Questions { Electrical Engineering }

How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

4052

how to select automotive wire by mathematical equation with given current, vlotage and resistance

2358

EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1890

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2071

when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)

1994

what is the method of earthing of a transformer using electrodes?

2274

What do you mean by a voltage transformer?

1151

What is the phase relationship between the primary and secondary voltages of a transformer?

1089

how to apply b license to c license in tneb

1821

if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1601

i want wipro vlsi placement pattern please send me

1776

ult of expression 'document.FrmQF.myem

2078

which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

2046

What is slope...? Explain slope 1 and slope 2...?

1612

IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3863

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