Electrical Engineering Interview Questions

How to take of Transformer oil Break down voltage test?

4951

How to take Vector group test of Transformer?

96862

How to take Transformer oil Break down voltage test?

27710

what are trouble functions of transformer?ex. prv trip,oltc,oti,wti.explain detail.

12396

hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

1329

what is the signification of trivector meter? why its name is trivector meter ?

11457

How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

2301

how calculate gd2 of ht motors

1872

how calculate gd2 of ht motors

16659

What is the usega of brking resistor? and how it will useful to Drive...?

4519

How we calculate airgap between phases & terminal box of the transformer? any formulae.

3102

How can calculate ups battery back up time?

162505

what is phase to phase fault? what is line to line fault?

28561

what is phase to phase fault? what is line to line fault?

5972

In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

88460

Un-Answered Questions { Electrical Engineering }

why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

2666

the problem faced on star or delta winding connection??

1541

define the non synchoronism of synchoronous machine in general g or m??

1491

I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

1315

Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

1743

What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

1864

how does commutator convert a.c to d.c?

1807

is it possible to start a motor in felid connected to a remote mcc

1473

What is the difference between circuit breaker and isolator

769

Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

1756

what is the best method of grounding in 30 MW generator?

1554

How can a equal potential zone be carried out in conductors?

872

why we r not earthed Control cable of C.T. terminals

1602

For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

779

how can check the resistance of battery contact?

1820