Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

TransWorks,

4 5839

what is the technical diffrences of mccb and acb

TransWorks,

11 14549

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

Oracle, Essar,

12 11066




how we can calculate the transformer size.

Avalon, Edison, Hyundai,

21 49908

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

Bhel, College School Exams Tests,

18 97145

what is the meaning of rms value

IOCL, OCL, Fitter,

24 27361

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

6 5845

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

REL, Infosys,

13 11109




Briefly describe your ideal job?

L&T, ONGC, LPGCL,

1691

why did youi choose this career?

ONGC, KTB,

898

what do you know about electrical

15 7154

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

L&T, ACC, Sri Biotech,

9 39532

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 13763

What is the meaning of key single line diagram?

Technip,

8 24873

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,

571


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Un-Answered Questions { Electrical Engineering }

explain safety measures in alternator?

568


how can decide the current rating of oltc

1033


How to megger test 11 kV cable and the acceptance IR value

1623


how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

1562


In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

970






how to deside the capacity of chock for drive?

750


3ph motor running with unequal kw and different pf what are the reasons

294


What is the tube exial fan?

716


1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

698


what are doing the duall connetion in tree phase 10hp or etc motor with circuit diagram

636


why dc is used in control circuit for mv & hv switchgear instead of ac

572


how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

921


IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

785


How to convert 2 phase to 3 phase electricpower in induction moter?

728


What is Auto Mains Failure Panel & Auto Synchronizing Panel

613