Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to take of Transformer oil Break down voltage test?

2 3363

How to take Vector group test of Transformer?

Sunflag Steel, Zuari Cements,

16 84470

How to take Transformer oil Break down voltage test?

9 23348




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

1 9696

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

607

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

3 9013

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

1504

how calculate gd2 of ht motors

Hindustan Copper Limited,

1080




how calculate gd2 of ht motors

Hindustan Copper Limited, Kohler India,

4 13183

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

3 2731

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

1 1859

How can calculate ups battery back up time?

Cooper, Cisco, Wipro, Pronet,

25 146670

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

6 22138

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

Phoenix Technologies,

2 4068

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

HCL, Emerson, Thirumalai Chemicals,

16 76742


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Un-Answered Questions { Electrical Engineering }

Name of the relay of low lub oil presuure in DG sets

852


which is better to use svc or synchronous condenser why ?

593


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

655


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

831


how braking & making capacity of circuit breaker is calculated?

841






CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

232


why effective resistance should be more than static resistance in transmission line?

827


How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

902


How out of step protection relay works?

875


please send me last 5 year interview questions

848


Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

850


Iwould like to know barc interview questions

1834


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?

681


I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

544


how do we calculate length of starting time and repeated starting of a direct online starter?

801