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Answer Posted / risandha
Cosine angle between voltage and current....
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state types of reflectors in illumination engg. ???????
What is the meaning of dedicated earthing?
what is the use of sdf?
What happens if we connect a single phase energy meter in reverse polarity.
Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?
before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water
how we design a pannel to start 10HP motor with the help of star delta starter?
If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?
What is lifting power for 1 wb/m2 and 1 A magnet?
How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?
Is Transol transformer oil comparable to nynas nytro libra?
electrical knowelge
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
In how we connect watt meter for open & short circuit test of a single phase transformer.
What's mean HVF & HAF in Vacuum Circuit Breaker?
