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 SETTING OF OVERLOAD RELAY AND UNDER VOLTAGE RELAY IN PERCENTAGE?

2 6842

what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

2345

How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 6443

How do we calculate tranmission line losses of a 132 KV tranmsission line. Please give some quick tips?

2 6844

in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

1964

We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.

4 7476

how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

3 22095

what are the different functions of mccb, rccb / elccb ?

2 8796

what is vch ?

CTS,

1 4051

What is load boxes ?

AMIE, PEPL,

2224

Please provide me detail cable voltage drop calculation

1 4990

how to calculation increase power factor for single phase

2354

how to calculation increase capacitor,increase power factor for three phase.

2230

What is basic fundamental for choosing NGR or NGT for any generator neutral grounding

EDF,

5 38578

Can we connect more than one NGR at a time of different rating of generators. what is advantage or disadvantage.

2 5979

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Un-Answered Questions { Electrical Engineering }

How to calculate impedance volt in Transformer?

2150

for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations

2156

how to calculate fuse rating for a motor

5731

If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)

2016

Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

2027

what is the main function of capacitors in mccs.

1786

What do you mean by power transformer?

1149

If breaker is undefined position, first step to do.

2321

how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

2325

How CFL &T5 tube light glows?

2100

what is transient stability analysis means?

2198

I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

2243

what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

3293

what is the mechanical safety of DG ?

2261

why induction motors are rated at 0.8 power factor.

2061

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