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Electrical Engineering Interview Questions
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What is the difference bet ween EDO Type & MDO type ACBs, and what is the advantage EDO Type over than MDO type ACBs.

Siemens,

2 61497

how brushed dc motor operating ?

 1515

how brushless dc motor is operating ?

 4 5445

We have a 33/11kv switchyard having 12.5 MVA power transformer. We export & import power through this transformer. When we export power, the PF will be depend on GRID PF & when we import power the PF will be depend on our load PF. but the problem is that,when neither we export nor import but our 33KV vCB is in close position,our meter read the power factor 0.14 to 0.25 at that moment. So how can be we improve the power factor at that moment.

 3 5581

what happens if power factor is maintained at 0.9?give me the answer in technicall way rather than telling the penality n all

NCC,

5 9135

what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

Toshiba,

3118

What is ac and dc drive.

1 6796

What is plc.

 2 4424

What is ht lt switchgear.

Bhel, HBL Power Systems,

3 31216

What is lighting kitts.

 1714

Why use only DC supply to charge batteries why not AC Supply??

APC, Emerson,

3 6836

can any one suggest paper presentation topies for electrical engg?

 1586

1.what is the easiest way to convert AH(ampere hour)to watts?.

2 4501

1.What will be stored in online ups EPROM IC?

IBM,

1688

1.How to calculate backup time from series connected battery of 12v dc with 26Ah for 2battery?

 3 9184

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Un-Answered Questions { Electrical Engineering }

what are the preventive maintanance actions taken for air circuit breaker? please answer me

1649

what happen if the parallel generator phase angle shift by 1 degree in manual mode

1648

how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1539

Swg formulae

1630

1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

1675




WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

1724

what is the meaning of 0.5ohm Resistance

1481

what is self capacitance of inductor

1986

what is the effect of power factor of machines in starting current

1600

What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

1637

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1493

We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

1553

For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!

1818

What is the function of the generator exciter?

994

how to calculate power consumption in slip ring motor at different step

1784

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