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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is ISF

 1 4976

what bridge circuit is used in Tandelta circuit

 1 2945

can i use ups power as a raw power for another ups

 1460

what is the different ratings of ACB/VCB/SF6 which is used at HT side

Hosco,

3 7614

what is the voltage rating of chiller unit sensors

Voltas,

2283

How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

Automobile, Siddhi Vinayak,

1594

to calculate voltage drop of cable which current we consider that means full load current or panel size?

 2 3404

why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

 1465

why ups in kva ratings?

 2 4491

why transmission voltage is 230kv and not 220kv which is a multiple of 11

Mettur Thermal Power Station, Siemens,

1 5477

I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

NTPC,

3 4566

Why overhead transmission line in triangular shape?

 2 7759

Why is better to have a minimum ceiling voltage of 250% than 160%?

 1394

Stepwise process of Northern grid failure in 2012!? (dont copy paste from wikipedia)

Rashtriya Ispat Nigam Limited RINL,

1 2978

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

Hormozgan Steel,

1690

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Un-Answered Questions { Electrical Engineering }

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

1647

Why use in ht motore

1249

Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1438

Why armature rheostat is kept in maximum position?

630

explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4079




how give earthing conection to household equipment?

1489

TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

4930

what is the difference between circular wdg & ractangular wdg?

1546

What is the purpose of using busbar mounting fuse?

1594

what does mean of RCT and STR in diffrential CT?

3763

Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?

1793

explain wiring system

2082

how cables go in and come out for distribution from the feeder pillar box?

1594

How is magnetic leakage reduced?

716

what is the responsibility of C license holder in industry?

8532

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