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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

2 6600

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

2232

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

3 6184

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

2 6626

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

1861

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 7200

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 21832

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

2 8559

what is vch ?

CTS,

1 3828

What is load boxes ?

AMIE, PEPL,

2103

Please provide me detail cable voltage drop calculation

1 4831

how to calculation increase power factor for single phase

2262

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

2140

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

EDF,

5 38078

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

2 5780


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to calculate maximum current

2282


although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

1949


What is super thermal power plant? and how it will differ from normal thermal power plant

2236


HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1911


What is MSL designation of a motor and same may be provided in details.

1668


What is mean by STUB protection?

2008


What is the Current equation in series RLC circuits.

1006


How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

3212


how to increase or decrease speed in DC shunt motor by DC convertor

2243


can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1414


what is the difference between an alternator and a synchronous motor

1979


why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2364


In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1916


in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1814


how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

2743