Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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 6346

What is PCCB?

ICEL, Schneider,

3 7896

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

3 6176

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 3482

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

1808

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 5668

where we use the SFU & FSU?

L&T,

2371

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

1 3999

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 5154

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)

2088

what is meant by generator differencial protection?

1 3580

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

8858

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

KPTCL, NHPC,

1 7468

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

NTPC,

5 9360

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

3 6573

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Un-Answered Questions { Electrical Engineering }

In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

11776

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

2377

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

2138

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

7857

What is the drawback of class b amplifier? How is this minimized?

1093

plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

2273

What is mean by hot and cold loop testing? What is the difference between them?

1083

sir pls send the je exam - 2008 and other model question papers..

2030

What is difference between isolator and circuit breaker?

1088

why we use condenser in the thermal power plant, althrough the same vapour will be again heated

4786

what is smartµ grid technology?under coal gassification?

1911

What is advantages of VSCF wind electrical system?

2291

Name the component u would expect to find in a switchgear assembly?

2003

what is lumped and distributed elements?

1910

What is voltage ratio of a transformer?

1132

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