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Electrical Engineering Interview Questions

why semicondoctor use in HT cable?

2466

why single core HT cable need only one side earthing?

6665

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

1670

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.?

1316

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

2120

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

3997

Why do we will ground the positive terminal in electrostatic precipitator

JSW,

1244

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

4458

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

1853

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

1456

difference bewteen reverse current and alternating current

ABB,

1238

Bhel,

12204

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

1013

Which element is highly conducting coppoer or gold?

3098

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

1498

Un-Answered Questions { Electrical Engineering }

What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

227

On what principle electric motor works?

251

Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

2437

How to calculate the value of earth capacitance in a transmission line.

1327

defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

2730

does a DG set has low fault level as compared to that of a transformer.If yes then why.

1121

bsnl tta exam question

1079

What are Contactors? How they works and what its highest rating?

1108

What is nichols chart?

254

A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

279

What are your future plans for the company if permanently employed?

1270

1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

1112

what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

1179

Define ampere

260

What is Servo Ventilated Motor?

1156