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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 2069

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 3007

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

2 2500

why do the core of transformer saturates???

1 2474

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

BMS, FIS, IBM,

2 7203

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

L&T, WFP,

1135

application s to shunt coil

889

TRANSFORMERS WITH DC SUPPLY

1038

Transformers with dc supply

4 2839

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

5 13045

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

HVPNL,

1 2065

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

918

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 37058

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 2445

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 15761


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Un-Answered Questions { Electrical Engineering }

sir vizag steel ka junior trainee ka paper kitne number ka ayega

1257


What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

1191


Could you measure voltage in series?

185


How can we calculate ac current from the given DC current when AC voltage is given?

1039


100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

1289






1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

1809


what is meant by directional earth fault and non directional earth fault? describe both.

1025


Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

1182


What are the advantages of vscf wind electrical system?

164


3phase motor can be used as a Prime mover for alternator.

694


How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

1742


Where can i get practical knowledge of solar system?

463


What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

803


I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

1241


can some one clearly explain why -48 volt DC use in telecom site????

697