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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the basis for selection of Protection CT class ? How anyone can decide whether to go for 5P10 or 5P20 ?

3 6475

What is PCCB?

ICEL, Schneider,

3 8051

Why LT cables are not sized based on short circuit capacity.

3 6333

I am final year b.tech student..i applied for gate but i am not interested any of my engineering subjects. i am interested in management wise.. is my option correct after b.tech..

1 3548

Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1853

IN A DY11 GROUP DISTRIBUTION TRANSFORMER WITH NEUTRAL EARTHED, WHAT WILL HAPPEN TO THE SYSTEM VOLTAGE & THE EQUIPMENTS IF EARTH GETS OPEN ON LOAD?

2 5736

where we use the SFU & FSU?

L&T,

2415

Why Auto Transformer is called "Auto"? What is the logic?

1 4067

my UPS is 600VA with 0.6 p.f and i use it for my computer which has 450W power supply unit, a monitor of 633nW and speakers. Can any one explain this.. because the output of UPS should be 360W (<450W)

2 5251

I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

2135

what is meant by generator differencial protection?

1 3639

what is meant by residual over voltage & residual earth fault ?

8919

in 400 kv system why should trip both side CB when we give hand trip?

KPTCL, NHPC,

1 7552

Why material of brush is carbon in motors why not other material.

NTPC,

5 9549

how to mesure the earth pit value and what is the minimum value of single earth pit?

3 6706


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?

1883


l&t switch FN 63 handle position can we change

2558


why constant voltage transformer should be start without load? and if started then what will happen?

2045


What are the commonly used schemes for the bus zone protection?

1064


How we can change the direction of rotation of Induction motor? Prove it using graphical

2178


Why lose 1 phase voltage in 33kv to 415v stepdown transformer

1740


What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

3445


when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

2072


In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

2124


What are the types of excitation system?

2033


how to calculate the fault in substation

2456


plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in

2406


What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1904


Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3962


dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

1369