Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if only one generator is running in droop mode parrallel with grid and suddenly grid breaker off what will happen? It will trip o/u freq or stay as it is? (urgent)

10 7943

when a three phase motor in running condition consumes 2A in each phase,and if one of the phase gets fails what will be the consumption in other two phases

4 3109

What is the automatic voltage regulator with servomotor?

Simbhaoli Sugars,

806




PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

723

I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

686

in a large three phase induction motors usually the value of full load slip is

PSEB,

1 2306

why we are not earthing ht cable at both the ends(sending & receiving end)?

Essar,

5 7152

How the neutral earthing is connected in DG alternator

6 11286




What will happen if supply to three phase motor is given wiyhout inerting rotor in it?How much current it will draw?

5 4004

According to general circuit diagram of 1-Phase t/f , why the primary is not get short circuited ,even though the supply terminals both are directly connected through primary winding?

4 2554

How can i modify the design of 3 phase induction motor to be as 3 phase synchronous motor??

2 2135

how do you calculate IKW(consumption per TR) in HVAC?

Voltas, Cipla, Cushman Wakefield, Wipro, Aircon, Clivet,

25 90884

what is high tension ? specify the range?

3 3622

i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

655

what is L.T?specify the range?

7 3554


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Un-Answered Questions { Electrical Engineering }

WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?

2356


WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

931


why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

876


in 132kv substation CRT means

1250


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

602






what is doid

1368


how can i reduce sparking without stepdowning the voltage

1245


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

698


What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

164


1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

771


how diside ct mf exmp.200/5 ct

778


What technology is used in latest generators?

837


Why we are going for converter transformers for DC drives application instead of distribution transformer?

703


what is meant by tranformer impedance?

1325


How to define Kirchhoff current law and voltage law along with simply examples.

379