Electrical Engineering Interview Questions

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

5347

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

21641

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?

4187

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.

9503

why transformers not work at d.c.-

5034

Hoe do calculate the Cable size for Amps rating ?

1736

what is the right cable size for 100 hp mpter.

11192

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

3194

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.

3436

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

ABB,

4867

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

9546

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

2980

what is the rating of power generation in india?

11975

how to measure earth pit resistance

87329

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.

1666

Un-Answered Questions { Electrical Engineering }

AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2233

What do you mean by cogeneration? What its working principle?

2805

what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

1416

What is CVT and what is relation with wave trap?

1713

why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

1545

how can we design robots

1491

write a c++ code that receives an integer number and display the sum of the number and its revers integer?

1620

Haw to check conductivity of budbar

1377

No load tap changing transformer working

1261

how to define tell me about self

1561

Difference between drift current and diffusion current?

1367

where rlc series ckt used?

1821

What is the difference between acs 550 & acs 850

5419

Define ohmâ€™s law for a.c (alternating current)?

677

What is error of a measurement?

677