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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
2156What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?
Remi,
3991Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?
1 36701)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 3859sir,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 3829why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.
4 14489Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
2178Post New Electrical Engineering Questions
hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?
how to calculate the distance relay faulty zone?pls explain?
ROC converges if poles and zeros lie inside a. Origion b. Z=1
How i can decide that HVDC line is best for transmission.
whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11
why moisture formation found in XLPE Armoured cable outer sheath
how cables go in and come out for distribution from the feeder pillar box?
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.
what is the total power generation in india?
Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?
what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?
Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
state the working principle of incondenscent tube?
