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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why semicondoctor use in HT cable?

 1 3161

why single core HT cable need only one side earthing?

 2 7577

give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

 2222

why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

1773

What happen if we give resistance to the armatuure of a dc motor?a

 1 2686

break down of electricity is more in summer or in winter ? give reason

 4 5227

Why do we will ground the positive terminal in electrostatic precipitator

JSW,

1 2101

Why the substation measure in KV but not in the power ratings of transformer.

 4 5410

What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

 2375

in 220 kv substation,what is the mean of avr voltage reading? means at oltc temp. 36 the avr voltage was 109v.so what the mean of 109v

 1 2038

difference bewteen reverse current and alternating current

ABB,

1676

if transformer core is made of copper instead of steel which losses will increase..please explain

Bhel,

5 15019

Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

 1397

Which element is highly conducting coppoer or gold?

 3 4038

what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

 1898

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Un-Answered Questions { Electrical Engineering }

what is booster? and how it is connected in a circuit?

2010

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

1330

why the name trunking bus PT

2480

WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1482

what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

1461




What are the three major categories of error?

654

What is formula calculation size cable wire ?

1462

HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?

2989

Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

1573

If you have an earth with pilecap then your resistance is really low. why and how?

1425

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

1547

What is BusBar integrity test and how it is conducted?

1554

Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

2062

What is Fire Panel ? How it works ?

1574

What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

2204

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