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Electrical Engineering Interview Questions
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ELCP USE IN 3 PHASE SUBMERSIBLE PUMP? THEN USE 3 POLE 0R 4 POLE?

 4 4738

what is the difference between surge protection capacitor and surge arrestor

NCS, NCS Sugars,

1294

What is the diffrence between ofline ups and online ups?

Intel,

3 4460

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

 2 5094

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

Jindal,

1199

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 3355

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

 1052

difference between a diode and thyristor?

 1281

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?

 1387

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

1093

What is load shedding?

1 3174

What do you mean by eddy current loss?

 1 3087

What are the causes of eddy current losses?

Schneider,

1 3104

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 3786

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 4153

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Un-Answered Questions { Electrical Engineering }

list the type of vfd? wich is sutable for heating kiln?

1101

how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

800

how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

2197

what is earth resistance? how to measured? and give values at power station and mcc area?

1066

For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

1013




what is mean by transition resistance of transformer?

3249

Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

2400

What are high pass filter and low pass filter? and What are the flowmeter ?

1041

what is the difference between switch yard to residential area.and how much required it.

798

Define filter?

176

Why we use circular(Stepped) cross section in transformer core?

1250

what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

1172

What is 11 N1 and 12 N2 in single phase Transformer ?

1056

xfhnchncv?

927

briefly explain principle of resistance welding

917

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