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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

1355

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1420

What is size 00, 01, 1 etc., in HRC fuse types?

Jaypee,

1554

What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

1345

What is the purpose of shunt trip in ACB function?

1 4971

What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

Remi,

3252

Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?

1 2363

What is working principle of washing machine?

IBPA, Samsung,

9 87548

Can we use 3 phase energy meter for measureing power in 2 phase 440 V phase circuit?

2 4158

1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 2372

what is ignition?

1 2650

sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com

1 2531

why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.

4 11172

what condition there autotransformer will fail?

2 2931

Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

1446


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Un-Answered Questions { Electrical Engineering }

if i am in front of transmission line how to know that current direction without any equipment

1070


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

1411


what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

1520


sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

2926


why magnetising curve not start with zero voltage?

1639






what is the meaning of impedance protected in instrument cooling fan

2448


What will happen if the d.c. Machine is operated below rated speed?

464


Difference between transition and diffusion capacitance

1899


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

1335


why servomotor motor? where i apply for best output?

1378


A d.c. Shunt motor is found suitable to drive fans because they require?

479


If not into production, how far did you follow the design and why did not you see it into production?

1524


what are the pecularity of shaver sockets ?

1265


tan delta equation test on alternators

1566


why does make gain margin and phase margin on same plot.?

1428