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 the electric train touches only one conductor n where is the neutral n it will be running 3-phase or 1-phase?

3 6729

what is negative current?

DTG, Siemens,

5 9871

what are the oils used in transformers cooling? n which type transformer is used in power systems?

1 4291

the electric traction poles having 3 cables n two cables touches with a insulator (or any) another one separated but it will be running 1-phase why?

4 5697

Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv

India Cements,

2408

In ACS 1000 drive we used 12 pulse convertor.Why dont used 6 pulse or 3 pulse convetor

1 3720

what dose the arrow indicate in the symbol of power transformer?

1 5617

what are check points to be checked while charging switchyard?(CT,PT,BREAKER,POWER TRANSFORMER)

1 5348

what is the use of excitation transformer in LAVT PANEL?

2 21973

hello everybody. please tell me the function of transformer bushing,s. i heared somewhere that it saved transformer winding from sky electricity. please tell me if that is right then how it work,s. Thank,s.

3EEE,

2 5250

what is the difference b/w neutral and ground?

4 6999

what is mean by harmonics

1 4236

When we synchronize the Generator BKR with TIE BKR then Gen BKR is hold but TIE BKR is Tripped on Non directional over current but when TIE BKR is Syn. with Gen. BKR then no fault occur so what is the problem

ABB,

1 3530

How the real power output is controlled in a Generator?

2 4418

how do you reduce the skin effect

2 4805

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Un-Answered Questions { Electrical Engineering }

how can i get an electrical c-certificate?

2189

explain working principle of earth leakage relay

3656

What types of high speed CMOS circuits have you designed?

2097

what is draiv work

1848

What is Auto Mains Failure Panel & Auto Synchronizing Panel

1896

what is star delta starter? how it works? give its control and power diagram.

2057

what is frequency response?

1080

in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1906

What is meant by harmonic distortion?

1070

WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER

1986

Explain the working of any one cutting machine

1052

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

2109

What is the formuala to calculate the rating of motor protection circuit breaker

2178

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

1949

what is the solution for meger test failed the MV cable?

4198

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