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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why we are testing cables with dc?

1 4414

why ct output is in 5A?

3 6043

why we use copper earthing for neutral while for body GI.

Chennai Metro Rail Limited CMRL, Valeo Lighting Systems India Private Limited,

1 6229

why power factor is important?

Dalkia, MGC,

6 10529

can u describe the method used for protection of transmission line.

IBM,

2255

why impedance relay is used for medium transmission line protection

2366

why they were using TRIAC instead relay in some controllers and what is the advantages.

2061

we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

TNEB Tamil Nadu Electricity Board,

2272

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

US Electrofused Minerals,

2020

what is basic difference between the normal tube light choke and electionic choke ?

Amaron,

4 14174

what is ring main unit(Rmu)? what is its function

1 5209

what is the chemical name for oil that used in the transformer

NCC,

2 5566

How to set the star delta timer setting?

Integra,

1 4721

what is the differance between normal bybass & maintenance bybass in UPS?

1 3969

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

2167

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Un-Answered Questions { Electrical Engineering }

What is the operating principle of turbo-generator.

2407

What is difference between slip rings and carbon burushes?

15226

Why is a plain induction motor unsuitable for wide speed control?

2324

what will happen when the dc supply is given to the capacitor?

1582

Salient pole alternator is more stable, why?

2769

The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

1946

what is the function and use of cable differential protection relay?

2961

What type of DC motor would you see for a lift?

1129

if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

2078

Why is negative feedback invariably preferred in closed loop system?

2372

where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

2191

Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

1715

Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1729

A cotter joint is generally used to transmit

1305

What is effect of over voltage and under voltage on ACB

2029

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