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 are locations arc protection relay is fixed.

KSEB, L&T, Siemens,

1833

Zone of protection and tripping scheme of arc protection relay.

KSEB, L&T, Siemens,

1824

High speed earth switch operation with diagram

KSEB, L&T, Sanden Vikas, Siemens,

2433

Difference in load break switch, isolator and circuit breaker.

KSEB, L&T, Siemens,

1 3833

If breaker is undefined position, first step to do.

KSEB, L&T, Siemens,

2222

Load break swicth maintenance procedure.

KSEB, L&T, Siemens,

1714

What is double throw isolator and single throw Isolator.

KSEB, L&T, Siemens,

1 6775

After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

KSEB, L&T, Siemens,

2320

What is the main feature of v/f control?

1 3029

will 1050kva DG set withstand for back charge of 16MVA transformer

1817

How to calculate percentage impedance of a power transformer.

1 2652

why we earth only one side of a power cable. And which side is advisable to earth.

1 2707

What is the difference between earthed and unearthed power cable.

1 3032

What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?

Bharat ITI,

2 3184

3 phase induction motor rotor field rotate at synchronous speed w.r.t ?

3 3939

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Un-Answered Questions { Electrical Engineering }

Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

1981

what is the relation between size of the anteena and wavelenghth of radiated wave

2140

what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)

1990

why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

1948

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

1758

why transformer tank is in rectangular shape what happen when it is in step shape

1412

explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

2661

Why do we require transformer with less specific weight if supply frequency is increased?

1542

The height to which the liquid in a tank to be maintained for a certain constant velocity?

1948

What are the various kind of cables used for transmission?

1056

i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

2072

What is cathode ray oscilloscope (cro)?

1086

what is the basic construction diffrance between servo motor ans sqiralcage induction motor

2432

What is the difference between line drop and percentage line drop?

1532

What is the comparison of PILC and XLPE cable

2062

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