Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

1591

How to calculate the size of window A.C. for 200 Sq. ft room?

Voltas, UltraTech,

3 8649

Why A.C. capacity given in Ton. Ex. - 1.5 Ton

Samsung, UltraTech,

4 19655




how to set the time in digital timer ?

652

wat is the criteria we use the diff. relay ?

2 2495

role of europe union in UK safety legistlation (electrical safety)

557

How can I calculate the fault level of a transformer. 1. If fault is 3phase fault 2. If fault is 1phase fault 3. If fault is 2phase fault Dear all geniouses, can you help me by giving answer. If anybody want to send something then mail me at "msalam_shahin@yahoo.com"

880

what is MC 61 relay

2 12486




which pump is suitable for home use ?

3 3392

can we connect both delta and star to the transformer secondary and for what reason?

Power Grid,

5 5386

how you configure motorvision relay (L&T make)from DCS

Ispat,

2576

what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 4740

What is Earthing?

Essar,

16 14968

how to match 0 -10V with 4 - 20mA

3 4911

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS

Bhel,

2 5424


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Un-Answered Questions { Electrical Engineering }

Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

442


why co incidence factor considered in transformer sizing?

592


which type of effect of turbine and generator reverse power protection ?

2859


Explain the working principle of Synchronous Generator and Assynchronous generator?

826


I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

441






In Which vector group power transformers are mostly manufactured?

1037


What is the Surge suppresor? Why using in a UDB's and How it works?

832


How to define Kirchhoff current law and voltage law along with simply examples.

343


along with technical test papers

288


How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

653


what is RFID? thire application;

726


what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

2248


What is the source of dependent source ?

581


What is the practical way to calculate the cable size for known ampere load?

144


If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

335