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 5332

what is the exact meaning of power

SKB,

1 2310

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 10476

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

1 2732

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

1 3564

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 3217

what is the preventing maintenance of transformer

1 4101

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

1 2054

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

2 3737

TYPES OF TEMPERING OF ENERGY METER

1 5951

DIFFERENC BETWEEN VOLTAGE AND CURRENT

Wipro,

1 4229

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 unit of attenuation?

748


On what cycle does thermal power plant operate?

773


234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1717


Give atleast 20 alternating current apparatus and devices.

1389


Why computer humming sound occurred in ht transmission line?

767






Define ohm’s law for a.c (alternating current)?

742


write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2198


In radial network the source is fed from 1 end both ends at central

1768


Please explain me abt PQ diagaram in the power sector.

2078


What is quadrantal symmetry?

1285


working principle a.v.r. ?

2039


How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?

1798


How calculated single phase induction motor req. Capacitor?

1261


What is inductance?

799


what is the function of gss in the dg set.

1606