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type=NAT · page=31 · marks=2 · content_conf=0.7999999999999999 · math_conf=0.792

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file: GATE CH 2020 (with Solutions).pdf

pages: 31–31

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Pu/here.Theto Both the tanks are open to the atmosp tal frictional head loss for the pipe system is 1.0 m of water. In addition, use the following data and assumptions

• Density of water of 1000 kg m^{ - 3} • Acceleration due to gravity is 9.81 ms^{ - 2}

• Efficiency of the pump if 100 % • The liquid surfaces in the tanks have negligible velocities The power supplied (in W) by the pump to lift the water is _____ (round off to 1 decimal place).

Options

none

Answer

1177.2

Solution

Appling benefice at point (1) and point (2) h_w=1 + 5=6

P = Q/delta{}gh_w

P = 0⋅02 /times 1000 /times 9.81 /times 6 = 1177.2W

Hence, the correct answer is 1177.2

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Source PDF: GATE CH 2020 (with Solutions).pdf

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