Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if we keep frequency constant can we cal a synchronous generator as a dc generator

Cummins,

2 5558

What is the diffrence between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1 4187

what is the difference between watts and volts?

2 4298

the winding of Gen and Motor is star or in delta ??? and why

1 3467

what is the role of energy meter in distribution system ???? technical and non technical losses in distribution system????

1 4063

what are the limitations to use 33kv ac in industries?

1566

At a family reunion were the following people: one grandfather, one grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law, and one daughter-in-law. But not as many people attended as it sounds. How many were there ?

CTS,

6 18966

presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.

Power Grid,

1575

what is interpose vt where it is used and y it is used?

1825

what is the purpose of reactor in electrical substations ?

2 4574

what is kvarh? Please difine it With calculation

GM General Motors,

3 23357

what is the VA(Voltampire)? define with calculation?

4 5428

why dimmerstate always connected in star connection? what will happen if it connected in delta?

1563

what is meant by GD2 ?

Kirloskar,

1 3924

what is meant by re-rolling motor? how it differs from standard motor?

1446


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Un-Answered Questions { Electrical Engineering }

What is the previous name of Cox's Bazar

1685


What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?

1239


Explain what cmos is and its benefits?

636


Why cables and busbar both needed in LT Panels?

1729


what is your aim

1432






WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

5569


any earth foult trip the relay but in welding time not trip by earth foult

2713


Explain cos(theta) and Sin(theta)

1620


WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

4257


What is power in wattage of 8.5 TR AC

1178


I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

2351


th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.

1451


A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

1108


what is the constructional difference between a power transformer and potentian transformer?

1243


what happen if the parallel generator phase angle shift by 1 degree in manual mode

1552