Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What happens when generator is running with leading power factor on it say -0.96. what are the effects of it on alternator and the other generators operating in parallel to it.

2 5335

what is the exact meaning of power

SKB,

1 2311

why choke is provided in the centre of the tube light?

3 5234

I want to give Power supply to a house from the Feeder, Total Load of the House is 128 KW, how to calculate cable size for this load ?

5 10479

what are the problems that generally occur in power flows??

1 2733

what is the principle of generator , induction motor,d.c motor

1 3566

WHAT IS FORMULA TO KNOW TO BACKUP TIME OF POWER PLANT 48V/50AMP DELTA POWER PLANT

1 3101

how can we design robots

Maruti Suzuki,

1595

what is the maximum demand how it is defined

1 3219

what is the preventing maintenance of transformer

1 4101

what is polarity in ac system? and how do identified?

1 2055

for same rating of a transformer and induction motor which one will have higher magnetising current flowing?

2 3738

TYPES OF TEMPERING OF ENERGY METER

1 5953

DIFFERENC BETWEEN VOLTAGE AND CURRENT

Wipro,

1 4231

WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1585


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Un-Answered Questions { Electrical Engineering }

what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

1883


What is slip in an induction motor?

801


In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

1885


What is the difference between Generator Differential Relay and Transformer Differential Relay?

1856


what are the stresses in circuit breakers ?

1654






I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1669


How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

4674


what do you mean by plant earthing system.

1668


why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2612


diff.between servo motor and ac motor

1694


how many current required for hypo test

1615


what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1618


how to increase or decrease speed in DC shunt motor by DC convertor

1869


What is the distance between body earthing and neutral earthing.?

4358


I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

1896