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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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 63312

how brushed dc motor operating ?

1892

how brushless dc motor is operating ?

4 6689

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 6493

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 10739

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

Toshiba,

3482

What is ac and dc drive.

1 7390

What is plc.

2 5259

What is ht lt switchgear.

Bhel, HBL Power Systems,

3 32547

What is lighting kitts.

2111

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

APC, Emerson,

3 8239

can any one suggest paper presentation topies for electrical engg?

1997

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

2 5352

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

IBM,

2053

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

3 10034


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the differance between HT motors And LT MOTORS.

1980


What is dynamo?How it works and what is the function of dynamo in a DG.

2584


WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

1985


what is the advantage of connecting capacitors in delta than in star?

2106


what is meant by LCR meter? where its useful ?

2052


how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

2370


Earth has zero potential then what would be the neutral potential ?

1429


why we change the direction of winding in rotor ?how we make the north and south pole?

2056


what do you mean by plant earthing system.

2068


1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

1997


The principle of switching circuits for different types of batteries in application of storage systems

1962


What if the difference beween internal and exrteranal LBB?

1676


why booster transformer is used in sumpners test conducted on transformer????

3582


How to checked frequency drive output voltages?

1196


I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

1409