Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why are transmission lines multiples of 11? Is it because of some historic reason ? Or is there a scientific base to it?

5 5129

what is the difference between the alternator used in hydro and thermal power plants??

2 21464

how the length effects the ampacity of the cable? if a cable is carrying a current of 100A for 50m length then what will the effect on current if we double the length?

2 4038

can any tell me how to do wiring connection in L&T 3ph 4wire E301 CT operated energy meter, what is P1,P2,P3,P0. M1,M2,M3, L1,L2,L3.

Bhartiya International,

2 9309

why transformers not work at d.c.-

3 4893

Hoe do calculate the Cable size for Amps rating ?

1661

what is the right cable size for 100 hp mpter.

3 11016

What happens when ac supply is given as excitation voltage instead of dc supply

1 3098

i have seen a picture of a power plant. in that pic. i saw chimney like giant structure which were spreading smoke like something...i want to know is it chimney or cooling towers, as my friends use to say.

2 3326

what is the calculation of current when a clampmeter is attached to two phases of any drives.

ABB,

3 4600

what is the purpose of using battery in dg sets, please specify in details.

Balco,

2 9380

what is the min and max dc voltage for a dc system (110vdc)

ASD Lab,

1 2885

what is the rating of power generation in india?

Siemens,

10 11520

how to measure earth pit resistance

BARC, BYD Electronic, Construction,

7 86832

how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

1608


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Un-Answered Questions { Electrical Engineering }

difference between servo motor and synchronous motor

1858


how to increase or decrease speed in DC shunt motor by DC convertor

1707


what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

1517


How many methods use the load flow solution?

728


how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

1631






why dc is used in control circuit for mv & hv switchgear instead of ac

1433


How can I known multiplying factor .without multiplying table

1331


what is differnce btwen lll and lllg faults

1488


star delta starter contorl circuit... drawing..

1641


What is the formula to find out two phase active & reactive power

1667


how to maintain frenquncy with syncronising sub-station for distribution

1631


What current flows in the transformer primary when its secondary is open?

607


In MEP Services what are parts of STP and what are there function?

2901


how single phase preventer works ?

1994


what is the stear deltaprinceple?

1374