Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calculate the motor winding resistance ?

L&T, Forbis, OEGI, VTI,

21 93976

check list of maintenance of transformer?

Essar, ABC, Infosys, TCS, KPTCL, Godrej, Cosmos, Hescom, EPRON,

11 93492

what is the voltage between the earth & neutral 2 is there any continuity TO BE between earth & NEUTRAL

Suzuki,

3 7380




what is relay

IOCL, HPCL,

15 8246

what is over cureent protection

MPSEB, Anil Group,

3 3511

how will protect transformer agint overcurrent protection

MPSEB,

6 5808

control & auxilary circuits used for circuir breakers

745

why d.c. supply is given to the primary side of generator?

4 4386




what is current actully?significance of current...not rate of change of flow.....

3 2614

whether inrush current for lamps or capcitors should be considered cable sizing to feed that load.

Cipla,

1 2090

Wht ar the reason for low voltage on consumer side?

6 5124

what are the types of basic earthing?and why we are doing that?

Bharti,

3 4459

Wht is the meaning of floating neutral

Cipla,

9 22374

what happens to the speed of a DC series motor when series field winding is removed?

8 7824

what is the meaning and full form of AYFY CABLE?

ABB, Cable Wireless, Tamboli Engineers, Ecom Associates,

10 35390


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Un-Answered Questions { Electrical Engineering }

What is formula calculation size cable wire ?

444


we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

670


critically criticize the application of ring main unit in power system

98


what efficiency at 70% loaded transformer

838


how can you calculate fault level ?

1156






When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

883


hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

738


how does WTI work ?

734


Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

702


1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

658


what is the carona effects meaning in HT line transmmission system

628


is there any role of power factor with frequency variation? and how we can manage the frequency variation?

880


If short circuit ratio is high is it bad or good for a machine then tell the reason...

825


how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

733


Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

745