Electrical Engineering Interview Questions
Questions Answers Views Company eMail

when we supply in primary side of transformer then the supply goes in secondary side?how it works?

4 4808

how to protect motor in dol starter having capacity of 30 hp.40 hp?

2756

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

1461

howmuch current can carry the 2.5Sqmm copper cable?

42 94103

what is mutual induction principle?

6 39304

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

HAL,

1614

What is the difference btwn grounding and earthing?

HAL,

11 13313

Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

HAL,

4 10090

what is the differance of acb and mcb and mccb

MacAir, MDS,

12 32614

what is the function of a commutator in a dc generator?

College School Exams Tests, NTPC, TCS,

14 71882

how we are measuring the winding temperature of the transformer?

11 32711

prefer any good electrical engineering book.....it should be useful in the practical fied?

1 8750

How to test Power Transfomer vector group in the field?

Al-Yamama,

3 5963

how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

3 6279

what is Touch and Step voltages

Pinnacle,

1 3622


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Un-Answered Questions { Electrical Engineering }

Tell me all plants load factors i.e which plant operating on which load?

1542


determine two methods to find loose connection in operational electrical system?

1227


What are the different circuits in thermal power plant?

705


What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

1619


how to calculate magnetic force genrated by a coil ?

1718






CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

1192


aternator every parts and its working

1169


1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

1539


What is the difference between cylindrical-type and sandwich-type winding?

956


When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

736


What are your future plans for the company if permanently employed?

1690


What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

1526


Name two low frequency oscillators?

893


What do you mean by cogeneration? What its working principle?

2758


Explain what cmos is and its benefits?

641