Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is effect of unbalaced load -- say R 15A, Y 25A, B 10A

TransWorks,

4 5763

what is the technical diffrences of mccb and acb

TransWorks,

11 14341

can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

Oracle, Essar,

12 10873




how we can calculate the transformer size.

Avalon, Edison, Hyundai,

21 49001

what is derating factor in Cable ? how we minimise this?

Bhel, College School Exams Tests,

18 96057

what is the meaning of rms value

IOCL, OCL, Fitter,

24 26982

Can u tell me the name of books of transformer testing?

6 5732

In winter we seem lightly an electric shock when we touch to doors(sometime)

REL, Infosys,

13 10884




Briefly describe your ideal job?

L&T, ONGC, LPGCL,

1645

why did youi choose this career?

ONGC, KTB,

860

what do you know about electrical

15 7006

what is GRR(Grid Rotot resistance)?Why it is used beside of LRS?

L&T, ACC, Sri Biotech,

9 38329

Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

Reliance,

6 13451

What is the meaning of key single line diagram?

Technip,

8 24460

hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible

Engineers India Limited, Engineers India,

532


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Un-Answered Questions { Electrical Engineering }

can someone explain that how the speed of the protection system affects the fault level calculation?

646


what is the difference between Power and Distribution transformers ?

766


what is the minimum voltage require to injure our body?

3477


is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

824


why does a dc machine has high efficiency while working as a generator than as a motor ..

684






IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV ( 700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE

1079


Draw the DOL starter and star delta starter drawing?

1646


What is a surge supressor why its is used in synchronous generators

737


how we sesign the transformer give some specifion regarding design of transformers

610


How much load can take a 16 mm aluminum cable 3 phase

471


can i use the six sigma method which is used in management area, in state estimation of power systems?

600


I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

719


what is doid

1314


what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

808


what is th basic difference between a d latch time line and a d flip flop time line???

693