Electrical Engineering Interview Questions

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

5740

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

1802

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

5124

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

5843

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

1465

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.

5523

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?

20651

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

7669

what is vch ?

CTS,

3103

AMIE, PEPL,

1598

Please provide me detail cable voltage drop calculation

4195

how to calculation increase power factor for single phase

1829

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

1643

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

EDF,

35635

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

4923

Un-Answered Questions { Electrical Engineering }

why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?

1466

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

640

What is the function of NER and NET?

2029

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

2387

1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

2088

is oil viscosity affect on motor current?

1519

Which capacitor is preferred for high voltage and frequency?

606

How npn and pnp transistor works

646

Differentiate between Zero and Negative sequence current

1454

What is knee point voltage?

682

How to back charge the Gas turbine generator

1624

what is transient stability analysis means?

1677

Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

1706

Why we use circular(Stepped) cross section in transformer core?

1764

armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

1425