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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 35151)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 3702sir,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 3686why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.
4 14188Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
2095Post New Electrical Engineering Questions
What is the operating principle of turbo-generator.
substation+ plc system
Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir
1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done
what is EIB lighting control system? what is the advantages of this system?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
in non technical way how can u define POWER FACTOR??
what is DRP panels?
Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?
What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?
full form of flry b
how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
