Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Is corona effect occurs in Induction motor. pl. justify the answer.

KPS,

4 7705

Why consumers are charged based on Kwh basis why not on Kvah basis.

Unitech,

4 8737

One Township having 850 house and each house load is 2.2KW single phase & 5HP 3 Phase motors of 10 Nos .Who can calculate 11 KV transformer capacity .dilip_bhasker@yahoo.co.in

1 3701

What must the distance between two MV cables be when they are laid on tray?

1705

What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

1642

WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

3 5314

Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

1485

what happens when power factor leads or lags to electical or home appliances

2 5387

any one can explain the stages of a knee point which is taken during ct magnetising curve.

Tata Steel Limited,

1353

what is V=4.44FBN, THIS 4.44 ONLY U GOT the voltage in term sof 11, 22 etc this 4.44 u will get from form factor which has a value of 1.11

1 2574

sir, is there any ratio,this much of A.C volt is equal to D.C voltage

3 4836

what is die electric strnth of transformer ?

1702

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1552

working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

4 10904

the input mechanical power of a single alternator is increased,its RPM increased but in case of an alternator synchronised with grid its RPM does not increased with increase of input mechanical power. why?

Bhel,

3 7279


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Un-Answered Questions { Electrical Engineering }

Determine the BTU size of an aircon for 20 sq metre room

1480


Earth leakage relay basic knowledge principle

1758


Can we Co-ordinate relay in Load Break switch?

1517


Difference between on line capacitor and Station type capacitor

1591


WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

1612






how to discharge 3 phase power factor correction capacitors

2002


Refernce currents are to be generated using refernce cueernts how can this be done

1811


What is the normal phase difference between the voltage and the no-load current in a transformer?

733


What is the previous name of Cox's Bazar

1488


I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

1535


how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .

1540


what is distribution board?

1903


How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

1409


what is a vector protection in transformer

1553


What is force on parallel conductors ?

680