Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

TransWorks,

4 7953

what is the technical diffrences of mccb and acb

TransWorks,

11 19691

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

Essar, Oracle,

12 16852

how we can calculate the transformer size.

Avalon, Edison, Hyundai,

21 61606

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

Bhel, College School Exams Tests,

18 112293

what is the meaning of rms value

Fitter, IOCL, OCL,

24 36877

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

6 8471

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

Infosys, REL,

13 17517

Briefly describe your ideal job?

L&T, LPGCL, ONGC,

2482

why did youi choose this career?

KTB, ONGC,

1669

what do you know about electrical

15 11949

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

ACC, L&T, Sri Biotech,

9 57369

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 19025

What is the meaning of key single line diagram?

Technip,

8 32953

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, Engineers India Limited,

1272


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Un-Answered Questions { Electrical Engineering }

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

1825


What is MSL designation of a motor and same may be provided in details.

1154


Advantages of using generator circuit breaker (GCB) scheme in a power station ?

4643


explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

603


design of IGBT firing circuit for 11KV

2030






what is the difference between dry and wet type of 132kV terminations. which one is durable

1476


WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

1399


While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

2972


What is precision of a measurement?

607


Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

1604


Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

1429


rajha power sector details

1470


What is the tube exial fan?

1590


What is the dependency of stiffness on load angle??

758


The moisture in air will condense at

610