Electrical Engineering Interview Questions
Questions Answers Views Company eMail

I have two PLC processors. I want to communicate both processor with each other. How i can do so?

IHG InterContinental Hotels Group,

1764

what is thermo stat, explain how its working?

1 3032

what is feeder?

2 4194

what is the problem with single phase AC motors and how is it overcome?

2 3835

what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1523

whit is 33kv power 300*300 cable full current with formula

1424

after syncnhronistion how generator speed controlled by grid

3 4060

what is the significance of 3.5 core cable? or what does this half core mean and why is it required?

5 15431

single phase can run in PVC conduit. Three phase can also run in one PVC conduit. But two phase cannot run in one PVC conduit. WHY? reply plz....awaiting your answer.

L&T,

8 15726

my company total load is 1000kw, 415volt, all load are inductive load. incoming powerfactor is .8. we want to have0.95 pf connecting capacitors. so now how much rating of capacitors we have to connect? show how?

3 5438

which model T or pie model is prefarable in power syatem

1466

If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 6169

what are the effects of variations in frequency when you are connected to national grid??

1 3144

In a transformer, the hysteresis and eddy current losses depend upon 1.load current 2.maximum flux density in core 3.type of lamination 4.supply frequency The correct statements are (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4

9 11063

how to deside the capacity of chock for drive?

Essar,

1656


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Un-Answered Questions { Electrical Engineering }

why industry prefer ht motor instead of lt motor.

1680


what is meant by 3rd hormonics ?

1514


What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1539


How many methods use the load flow solution?

808


sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

1819






what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

1138


how can i find cable size from current rating?

1358


Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

1481


i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1451


PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com

4977


advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1429


hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

1547


Define ohm’s law for a.c (alternating current)?

671


we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

1004


how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1196