Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

Indcoil Transformers, Power Grid,

2557

what is the need of capacitor in transmission lines?and how it works.

SCCL,

2 5097

What is fault.?

AngloGold Ashanti, MNC,

2 4851

why US countries maintains 110v and 60HZ

2185

Is current shock due to voltage or current? pls answer

ABB,

2 7336

why are installed water leakage detection system data centers & server rooms

Reliance,

2390

internally connection of photvoltic module

1925

what is the meaning of 1250 KVA Trasformer

2 6255

What is the power factor,apparent power,reactive power and formula of power factor.

MNC,

3 5581

Why transformer is rated in kva?

L&T, NDPC,

4 8616

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

3541

What is difference between potiential,volatge and emf

1 3528

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

BSBK, IOCL, NTPC,

5 9541

If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 6095

When we need start the motor by method of star delta which size (KW or HP)motor should must be operate in Star Delta Method,

3 5403

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Un-Answered Questions { Electrical Engineering }

what is EIB lighting control system? what is the advantages of this system?

3904

what is the necessity of under ground cables ??

2083

As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1849

what is alluminium arm in ab conductors

1994

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

1916

why d.c produces corrosion

2030

how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?

1973

placement paper samples of mspl company

1942

Define bibo stability.

1077

How to maintain ac plant?

1954

how line turns ratio changes in 3 phase with change in connection

1987

what is the transformer turn ratio formula and give some examples?

2428

What is electrical cable termination

2628

what is 3rd Harmonics? how it is generated in alternator

9485

WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

2322

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