Electrical Engineering Interview Questions
Questions Answers Views Company eMail

difference between dol and rdol startors?

Vijai Electricals,

2 32195

what is value of Jin transformer

1607

BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

1832

IN OLTC we observed "OUT OF STEP" Alarm, we have two different transformer, when both are in parallel this type of alarm observed. what's the meaning of this alarm and why it occurs???

3 19274

How to Convert horsepower to kva? what is the three phase formula? email me if u know thanks Rehan smileavail@msn.com

3 8656

AP Transco Assistant Engineer (Electrical) Model Question papers

APTransco, HCL, Tranco, UPSC, VMware,

2 14333

The current though a branch in a linear network is 2A when the input voltage is 10 volts. If the voltage is reduced to 1 volt, and the polarity is reversed, what is the current flowing through the branch ?

2 7465

How to Convert horsepower to kva? what is the three phase formula? explain me if u can Example..i have 50Hp Moter how can i convert in kva tell me formula three phases Rehan Smileavail@msn.com

Bajaj,

4 25244

why ahould you show client/engineer activities clearly on the project plan

2306

high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

1514

i have need all detail above basic transformer question..

1428

what is the function of choke in a tubelight

3 5471

Is there chopping current in resistive circuit

1517

what is prniciple of three phase IM?

3 4590

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1490


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Un-Answered Questions { Electrical Engineering }

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

1383


why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

1498


what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

3562


ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

3674


While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

1558






How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

2546


how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design

4677


Define non-touching loop.

771


Draw transformer phasor diagram.(full load,no load)

3677


State thevenin’s theorem?

647


Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1009


define hysteresis loss, eddy current loss and windage loss

1507


How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

4330


what happens when series resonance occurs?

1369


33kv Rated output avilable in market (any where in india)

1607