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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

ELCP USE IN 3 PHASE SUBMERSIBLE PUMP? THEN USE 3 POLE 0R 4 POLE?

4 5625

what is the difference between surge protection capacitor and surge arrestor

NCS, NCS Sugars,

1643

What is the diffrence between ofline ups and online ups?

Intel,

3 5277

What is the purpose of RECTIFIER ASSEMBLY in AC power generators?

2 5693

Why we cant store an ac power. If we coo store in which device we can?

Jindal,

1480

I am looking for LV CT test. To check the polarity of the CT only. Can you suggest any supplier. Different companies are offering CT/PT Tester which is expensive. Thanks

2 3914

WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

1348

difference between a diode and thyristor?

1600

What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?

1686

1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1381

What is load shedding?

1 3657

What do you mean by eddy current loss?

1 3601

What are the causes of eddy current losses?

Schneider,

1 3700

when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 4291

Our Alternator nameplate specifies a power factor of 0.8. When the Alternator is on light load, the bus bar voltage rises to 11240 volts, whereas the standard value is 10500 volts. Is it ok to increase the power factor to 0.85 or 0.9. I am afraid because the power factor on the name plate is only 0.8 ?

Escube,

3 4836


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Un-Answered Questions { Electrical Engineering }

what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

2368


Name a govt approved university which have 100% online engineering course.

1115


ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

2730


what is current check gurd relay?

1747


it is possible to measurement of tension of slipring induction motor(SRIM)carbon brushes, any maesuring instruments are available in the markets.

1330






is the value of inductance depends upon the value of thitha in doubly excited machine??

1402


1.what is mean by 8/20 micro sec waveshape

1573


Can we convert off line transformer to on line transformer

1314


There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1280


what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

1630


what is the circutor?why we use it ?

1668


what are the types of electromagnetic forces developed in practical transformer?

1992


how to calculate single phase motor efficiency ?

1334


why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1313


what are inductive and capacitive voltage transformers.what are their applications

1331