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Electrical Engineering Interview Questions
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Conventionally, capacitors are considered to generate reactive power and inductors to consume it,how??????

1 2479

in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

Gasal, Voltech,

1 3492

we have 350 kva capcitor bank which is not showing KW. dose capacitor shows kW OR not.

2 3018

why do the core of transformer saturates???

1 2946

why do fans generally rotate in anti clock wise direction??

BMS, FIS, IBM,

2 8060

what is the formula of starting current of 3phase and 1 phase motor???

L&T, WFP,

1412

application s to shunt coil

1325

TRANSFORMERS WITH DC SUPPLY

1350

Transformers with dc supply

4 3598

How much load can give on 1600 kva transformer 11kv/440

5 14412

how to calculate the minimum permissible limts of insulation resistance of switchyard equipments

HVPNL,

1 2646

how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823

1225

How can get electrical c licence.Now i am working in spining Mill , transformer capacity 2750kva. Sanction demand 2250kva. Please advise me . My contact no 09944226823

Pace Power Systems, VRVS, VSJ Industry,

5 38697

I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

3 3150

In a Tap changing transformer where is the tap connected , is it connected in the primary side or it is connected in secondary side

Indiabulls,

8 17104


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Un-Answered Questions { Electrical Engineering }

how to test power transformer.YNd11

889


The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

450


how to find the torque of the single phase synchronous motor by doing an experiment

1367


What are the application of filter?

510


Why generation voltage in thermal power plant is between 11kv to 33kv?

454






If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

775


write a c++ code that receives an integer number and display the sum of the number and its revers integer?

1412


Explain Creepage Distance of Insulator

1560


If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

1644


why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2194


What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

1532


What is measurement?

521


What is systematic error?

597


what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

1411


What is the difference between hot and cold loop testing?

495