Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Synchrounous motor is three phase motor,but its not self starting .why?

TVS, Wipro, L&T, Delta Beverages, NTC, KI,

22 36060

Clearly Define Active,Reactive,Apparant power.Which applications used which power above metioned power?

Summit Power,

9 17228

what are the basic concept to design a out door Substation?

1 5418




Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?

4 13396

What is mean by CT Saturate? how do we calculate?

ABC,

5 6477

how to use single phase supply for a three phase equipement.

12 11779

specific gravity of a battery?

6 9044

In India which type of PLCC IS used?

Ford, Cipla, Jayashree,

2 7623




In Ferranti effect,Receiving end voltage is greater than sending voltage,why? can anybody tell me the answer

Engineers India Limited,

15 35425

how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?

Ispat, NDDB, Siemens, Dharampal Premchand Limited, FlowMore, Hindustan Zinc, Maheshwary Ispat,

5 21855

What is Ohms law?

L&T, KPTCL, College School Exams Tests,

28 15972

how am i achived model paper to prepratio for bhel exam

Bhel,

2 4135

What is the meaning of TRI Vector meter?

ABB, Excel Power Switchgear,

7 23323

how to calculate knee point voltage of current transformer?

Bhel, Bhilai, Jackson,

20 116346

11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?

Bhilai,

24 21475


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Un-Answered Questions { Electrical Engineering }

what is the use of power transformer in GSS.

1088


why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

1241


Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

705


how much flux density of CRNO core

1278


What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

672






Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?

632


how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

704


what is the difference between linear choke and suction choke?

1279


induction 3 phase motor terminal connection

1253


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

2902


what is through fault?

861


What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

473


1)Explain why the cradle guard is used on railway crossing in overhead line construction?

714


DC transmission

778


how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

630