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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

total numbers of earthing of a transformer

1 1530

How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

776

Full form of bdv test?

Hi Tech Transpower,

2 1573

simple way to find busbar sizes??

SPAC,

1 1185

Why to keep capacitor bank off while generator running.

GIT,

773

Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

762

why the carbon brushes are broken in srim while the motor runningtime

731

What is difference between Sample test and Routine test in safety standard?

Chicony Electronics,

789

i have a motor 55kw how u will calculate cable specification for this motor

1 2124

what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

KPCL, MDIM,

649

On what basis the the size of Lightning arrester for buildings are selected ?

KGD,

651

What is the mmf,rgt and ngt please brief completely

cpgn,

663

How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

cpgn,

687

Why reverse relay used

cpgn,

2 1376

I have 10 amp MCB for my air conditioner of 1.5 ton capacity. When I connect the ac direct it is started running but when connected through stabliser the Mcb Get trip and air conditioner couldn't start.please confirm whether Mcb is required to be upgraded to 20 amp. There is no fault in ac and the stabliser. Please advice the reason of tripping the mcb when connected through the stabliser.

1 1840


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Un-Answered Questions { Electrical Engineering }

HOW TO CALCULATE EARTHING SIZING?

1047


Merits & Demarits of Oil circuit & Air circuit breakers ?

1189


What is measurement?

194


Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

1325


what is the significance of tan&delta and how it performed in power transformer

916






Why an ac systems are preferred over dc systems?

167


what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?

2454


WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

1537


How phase displacement change in the over current relay coils.

1443


is that any software calculator to calculate the size of cable

1375


Define branch?

150


i wasted one year for the job after completed my btech what can i say about 1year time in interview

1136


what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

3642


What is the meaning of dedicated earthing?

1036


what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

1094