Questions
A motor pump set of efficiency 80%, lifts 800 litres of water in 19.6 seconds over a head of 20 m. Its input power is
detailed solution
Correct option is C
η =POUTPIN PIN= 100 X800X 9.8X2080 X19.6 =10 KWSimilar Questions
The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be then the power of heart in watt is:
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