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Why the resistance grounding (NGR) is better than Solid
grounding?
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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 case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?
Why hydropower is called renewable source of energy?
Earth has zero potential then what would be the neutral potential ?
What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter
How many VSC based HVDC are there in India and the world
What is the phase relationship between the primary and secondary voltages of a transformer?
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
what are the specifications we must look at to select a relay for any capacity motor?
How to calculate Temp from Resister from PT100 equation,
What conditions are required for transformer to operate at low frequencies ?
we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?
How to improve fuel cell in a distribution system?
WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.
