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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1569

Why resistance is not measure in running conditions of motor

Falcon,

1 3011

What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

Haldia,

1845

How test for Ddo vector group test condition?

2413

what do you mean by power factor ? in new view

BDL,

3 4594

Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

Sanima Hydro Power,

3 4203

What is mean 2XWY

Wilo,

2444

How to calculate Voltage regulation of 22 KV Over head Line.

1616

Actually why the transformers are rated in KVA.?

BSL, Engineering,

4 5994

How Can Be Size Of Transformer Corelate With Freqvence?

Essar,

1 2541

Is a current transformer step up or step down ?

2 3473

what is PWM in IGBT and how it works for drive.?

BRG,

1621

In transmission line 11kv,33kv etc are rms values are peak or others??

1 6893

What is transformation ratio what it describes?

Cushman Wakefield,

1654

How i can calculate the cable size for given load,there is any formula,for 3 phase and single phase

Prescient Technologies,

2 3655


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

1938


WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

2065


power transmission pole used one support , that only for support or earthing

1922


Difference between rating factor of cable and derating factor of cable?

1599


what is the voltage between earth to neutral in lift.

1771


DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

2031


Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

1750


Define sensitivity?

1055


Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4272


how can i get the formula to find out the cable size if i know the load of main fuse protection.

1905


what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

2035


What is a feedback in control system?

1168


What is a parabolic signal?

1111


hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

2628


what do you mean by plant earthing system.

2010