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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
2040What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?
Remi,
3905Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?
1 35171)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 3704sir,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 3690why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.
4 14196Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
2099Post New Electrical Engineering Questions
Differenciate between circuit wiring and sub main wiring with illustrations
can we synchronize star system generators with delta system transmission line ? and how ?
100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.
what is the difference between 2 way and 4 pole selector switch???
why we have and use 3 phase not 2 or 4 or other in power system?
The shot circuit in any winding of transformer result? Explain
what is meant by skew width in machines?
Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?
Why lose 1 phase voltage in 33kv to 415v stepdown transformer
Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?
what is meant by class 1 E in electrical power supply?
What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.
DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india
What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.
