Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1378

What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

Alstom, Call Centre, EDC, HCL, Procon Engineers,

17 222097

why the crow do not feel the current in overhead line when it sits on the wire??????

6 8019

Is HT capacitor rating connected directly to motor terminals , related to motor no load current?

1494

What exactly is meant by harmonics and harmonic current?? and what is skewing with regard to this??

2 4654

What do you mean by distributed winding in alternators? how exactly is 3 phase power generated?

2 9398

circuit diagram of ht panel

12418

how does a submersible pump work..?

1468

what is the difference between starter and control panel..?

4 17003

how does a submersible pump work..?

1391

what will happen at secondary side of transformer if i increase voltage at primary side?while V1*I1=V2*I2 will secondary voltage or current increase?

2 5749

For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

1388

how to control the speed to switched reluctance motor

1478

Why the size of transformer decreases if we increases the frequency?

Graphics Engineering,

5 34611

What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

1748


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Un-Answered Questions { Electrical Engineering }

How DC earth leakage currents can be reduced ?

1452


How does an oscillator differ from an amplifier?

651


What is the difference between DOL starter and star delta starter

564


For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1641


earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

1367






what is resver in electrical enginnering with answer

1187


What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

1611


State and define norton’s theorem?

765


what is the difference between torque induced and torque load?compare them with respect to dc motor?

1566


which capacity of RCCB used for five thousand watt electricity load?

1332


Define filter?

638


what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....

7020


In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

1618


What is transformation ratio what it describes?

1158


Between educational qualification and practical work experience, give us a brief explanation on your practical experience in your past Endeavour that you performed well to the satisfaction of your past or present employer?

1770