Question
a water pump of 1.2kw rating pumps 480kg of water into overhead tank at the height of 5m at 30seconds.calculate the effiency of the pump
Answers
power = (m g h) / t = (480 * 9.8 * 5) / 30
efficiency = output / input = power / 1.2kw
efficiency = output / input = power / 1.2kw
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