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 8077

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 3189

What is the automatic voltage regulator with servomotor?

Simbhaoli Sugars,

839




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

755

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

710

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

PSEB,

1 2343

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

Essar,

5 7313

How the neutral earthing is connected in DG alternator

6 11591




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

5 4068

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 2600

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

2 2157

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

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

25 92926

what is high tension ? specify the range?

3 3712

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

690

what is L.T?specify the range?

7 3646


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Un-Answered Questions { Electrical Engineering }

how can i improve the power factor in domestic (230v)

774


what is the effect of un-synchronized power.

676


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

2473


i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

776


how choose conductor&depending upon load

701






difrent between vcb acb sf6 and mccb breakers

3207


what is model question rrb junior engineer electrical gr.II

816


Direction of flow of active power and reactive power with logic?

564


is it possible to have dc motors on single chip

510


what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

703


in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

965


why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

1444


in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

674


mccb service sittings be done?

611


what is differant beetween overload current and phase current?

997