Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why dc supply is given to the field of alternator

9 17742

1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

ThyssenKrupp,

5 6330

can we use 7volt DC BATTERY to run a 60watt motor by stepup? Give reason for your answer?

5 5544

when will be the iocl interview results ifaced the interview on september 8 th

IOCL,

1618

What is ELR, and where it is used ?

KSEB,

7 63082

what is meant by GOD in transmission system ?

Reliance,

6 11568

why motor starting current is High ?

Bhel, Jindal,

11 21495

Why fuel tanks to be earthed ?

Electronics, Hindustan Petroleum, HPCL, Ispat,

6 18249

why 400Hz is used for aircraft systems ?

Cabin Crew, Jet Airways,

14 49882

a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

Bhel, RRB, SR,

8 14868

why 3 phase motors are preferable over single phase motors ?

6 8008

can SMPS work in DC supply ?

HCL, IBM, Reliance,

10 20936

How DC earth leakage currents can be reduced ?

1453

what is the design factor that affects the size of a motor ?

Reliance, SGI,

3 5263

why ELCB's are not useful for operation theater equipments ?

Reliance,

4 7805


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Un-Answered Questions { Electrical Engineering }

What is the difference between electronic regulator and ordinary rheostat regulator for fans?

559


If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

1522


when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1522


why capacitive load is not used in routine life????any reason is there ??????

1128


Can a generator runs after getting 1st stator earth fault.

943






how to find the Motor,s insulation Power?

1199


ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????

546


what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

2372


what is the differation bewreen kwh & fundamental kwh in electronic trivector meters

1757


What are the transformer losses?

662


how to calculate power consumption in slip ring motor at different step

1698


How do you determine the size of transformer radiators in a transformer?

1421


How much load can take a 16 mm aluminum cable 3 phase

1248


What is class ab operation?

621


how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1079