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Electrical Engineering Interview Questions

WHAT IS THE SETTING OF OVERLOAD RELAY AND UNDER VOLTAGE RELAY IN PERCENTAGE?

4862

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

1415

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

4214

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

4961

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

1055

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.

4062

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?

18383

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

6494

what is vch ?

CTS,

2118

AMIE, PEPL,

1221

Please provide me detail cable voltage drop calculation

3559

how to calculation increase power factor for single phase

1391

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

1286

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

EDF,

31050

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

3933

Un-Answered Questions { Electrical Engineering }

What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

1071

what is inverter and converter

1035

how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company

1022

Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

506

diff b/w normal grounding and resistance grounding

1024

1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

1455

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

1733

what is working process of star delta controlling circuit ?

1028

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

822

what is the purpose of silicon dropper used in battery charger?

5147

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

688

How will polarity test of Dy5 Transformer ?

1291

why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?

2023

If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

798

what is earth pit , how we can measured it, what earth rods reference

1688