Electrical Engineering Interview Questions
Questions Answers Views Company eMail

will the power consumption remains the same when speed of the fan cnanges??if so y??

2 4134

single phase brower fan with control starter. *problem is when operate it.It will be trip.

1 1530

what is the relationship between induction motor and transformers?

Reliance, College School Exams Tests, Engineering,

11 25135




what is the funtion of conservator in transformers?

7 32014

what type of oil is used in transformers? a)conduting b) insulating

ABB, LGS,

25 40665

which type of motor is suitable for lift?

NTTF Nettur Technical Training Foundation, Pothigai Power Solutions,

17 34094

what is the difference SCR & TRIAC?

TCS,

13 52529

which motor is suitable for traction? why?

KPCL, BCH,

15 38097




why the neutral point is zero in star connection?

4 11634

why the auxilary(starting)winding is provided in single phase inductoin motor?

5 3213

why rotor resistance starter is not suitable for squrielcage induction motor?why it is suitable for slipring induction motor?

5 8456

what is the concept of star delta starter?

7 13212

Define current?

14 6823

what is cutoff voltage?

3 3657

what is the difference between diode and zener diode?

21 77082


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Un-Answered Questions { Electrical Engineering }

What is difference between Harmonic and Non harmonic Capacitor Bank?

1332


Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

770


If breaker is undefined position, first step to do.

587


what material is used in capaciter

617


draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

632






Salient pole alternator is more stable, why?

1031


i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

669


DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

3762


what is harmonics? what are the factors it will depend upon

736


what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

327


how to design coil turns ?

656


What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

756


Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

710


Why cables and busbar both needed in LT Panels?

903


What mean by MLTP

1186