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Electrical Engineering Interview Questions
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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 9548

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 3927

What is the automatic voltage regulator with servomotor?

Simbhaoli Sugars,

1107

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

1054

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

1003

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

PSEB,

1 2732

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

Essar,

5 9358

How the neutral earthing is connected in DG alternator

6 14236

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

5 4830

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 3255

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

2 2587

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

Aircon, CBRE, Cipla, Clivet, Cushman Wakefield, JLL, Sodexo, Voltas, Wipro,

27 111290

what is high tension ? specify the range?

3 4369

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

998

what is L.T?specify the range?

7 4784


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Un-Answered Questions { Electrical Engineering }

why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

1271


Why r u using pf panel. what the uses

972


If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

987


what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

1151


List some examples of renewable energy?

144






sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

1205


Why power genaration in India is at 50HZ while America its 60HZ

1420


How does a battary stores charge in it? please explain in simple manner and in detail.thanks

1101


what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

2283


to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

982


main difference between ac and dc?

717


what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

877


sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

1000


How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

1748


What is the function of electron gun used in crt?

162