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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?

 1794

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

 1702

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

Jaypee,

1960

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

 1676

What is the purpose of shunt trip in ACB function?

 1 5582

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

Remi,

3585

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 2776

What is working principle of washing machine?

IBPA, Samsung,

9 89277

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

 2 4749

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 2925

what is ignition?

 1 3072

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 3085

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

 4 12742

what condition there autotransformer will fail?

 2 3616

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

 1783

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Un-Answered Questions { Electrical Engineering }

Is vtg is controlled by the resistor? if else how much?

1728

Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???

1553

How to find ampere on ht side for selection of cable size ???

1423

If UG power cable both ends are to be earthed or what? If not why?

1581

Write masons gain formula.

808




STATE USE OF ARC RUNNERS & SPLITTERS ?

1556

What does a Bode plot tell you?

916

how to calculate the formula of cable size if motor kw is given

1777

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

1491

What would be the size of wire used for 2 Ton of window A.C?

1512

what is the difference between fault current ant short circuit current?

2343

Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

1725

what is subtransient , transient and steady stateac components

1799

what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

1627

How to discuss the phase shift of transformer considering open delta?

1041

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