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 is VCB'S @ ACB'S.Plz explain Briefly

2 6812

what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 6021

what will happen to give a dc supply in transformers?

3 6509

In a circuit the power factor was leading what will happen?

2 5537

Difference between ELCB and RCCB?

5 11748

Why the motor was take the starting current is high?

3 6217

Hi All, I am working as a Technical executive in a MNC company and we have 1500KVA & 1250KVA T/F in our site, can you help me that how many maintenance tests can be conducted and what are the procedures included for the tests can you share yours answers and also give any web address to get more information on this

Hyundai,

5 9942

How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values

Hyundai, Sodexo,

2 47844

what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????

3 7489

all electricals questions

2 4828

what will happen when a electric bulb is connected between two phases.it will glow or not

18 44389

SAY CORRECT DEFINITION... WHAT IS EDDY CURRENT LOSS? WHAT IS HYSTERESIS LOSS?

4 10239

in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

2221

what is difference between Motorised MCCB & ordinary MCCB?

TCL,

4 31841

Whag is the PS class of accuracy of CT?

3 6998

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Un-Answered Questions { Electrical Engineering }

please write motor, transformer, Generator setting, fault level calculation of Tr.etc

2022

why we testing the core balance of the transformer before comissioning?

2130

difine electrical ballast in HPSVL

2033

2088

What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1098

in non technical way how can u define POWER FACTOR??

1787

What is the complete procedure of erection of electrical panel in industry

1827

How many sprinklers should be in one pipe line?

1917

63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

2693

while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1886

please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

1790

can i use 2000/5A Clamp meter to measure HT cable

1995

how to calculate the distance relay faulty zone?pls explain?

2014

If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

2180

operation of protection relay watchdog contact?

2346

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