Electrical Engineering Interview Questions
Questions Answers Views Company eMail

explain impact of tariff on energy management..? and what is ABT tariff

TCS,

5 4900

explain supply side and demand side energy management with advantages & disadvantages

798

whye the current increases in the motor when the load on the motor increases

3 3884




when the size of the cable used for the ht voltage is 300sqmm then what is the size of the conductor of each phase

2 2564

What is difference between Earthing, Ground and Neutral?

ABB, Indo Asian, ABC,

1 3202

why ht motor connection in star

Suzlon,

9 17656

motor and transformer working with same principle so why motor rotor was roted and transformer not roted

ABB, Suzlon,

9 8044

why we oltc on hv side of tranformer only

10 18228




IF THE LOAD OF TRANSFORMER IS GETTING MORE THAN ITS RATING,,,THAN HOW TO OVERCOME THIS PROBLEM? SUPPOSE THEE RATING OF TRANSFORMER IS 315KVA AND THE LOAD IS GOING BEYOND THAN THE RATING SAY AROUND LOAD: 352KVA... THAN HOW CAN WE SOLVE THIS PROBLEM WITHOUT DEDUCTING THE LOAD.

Hyundai,

13 12949

how to calculate optimum loading for transformer?

6 14991

what is the problem occer in motor

IOCL,

5 4782

in single phase circuit if i connect a heater between phase and neutral, then what will be the current path? phase to neutral or neutral to phase.

4 2998

DG B-check,C-Check,D-check is depending upon the running hrs.If the running hrs is not reached as mentioned.How to conduct the DG checks.

Blue Star,

15 45293

DG lube oil and waste oil how to dispose outside and there is any authorised vendors will be there for this.

2 4161

what is meant by frequency ?

TCS,

10 20995


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Un-Answered Questions { Electrical Engineering }

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

871


placement paper samples of mspl company

660


How REF protects transformer alone? explain with diagram.

223


Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

684


why not starting switch first connect in direct on line starter?????

630






10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)

1068


what purpose to use excaiter in DG.?

1354


What is ideal IR values for ground and neutral.

455


can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

737


hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

564


If any one's require of phoenix contact like( relay , termilnal block , surge protection device ) , product please contect me 09878206357 chetan verma

788


What is current & voltage ? Voltage perform at any load without current or not?

586


could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

775


Can you explain about pole discrepancy scheme

846


i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

930