In a process plant, water is flowing through a globe valve. The pressure before the entering the globe valve is 10 bar and the velocity through a 100 mm valve inlet is 4 m/s. The valve is horizontally placed and when it is 50% open the downstream pressure is observed to be 2 bar. The outlet section of the valve has same diameter as the inlet section. Calculate the power needed to for water to flow through this valve. 4.28 kW 8.28 kW O 10.28 kW O None of the above 6.28 kW

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Chapter7: Forced Convection Inside Tubes And Ducts
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Problem 7.33P
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In a process plant, water is flowing through a globe valve. The pressure before the entering the globe valve is 10 bar
and the velocity through a 100 mm valve inlet is 4 m/s. The valve is horizontally placed and when it is 50% open the
downstream pressure is observed to be 2 bar. The outlet section of the valve has same diameter as the inlet section.
Calculate the power needed to for water to flow through this valve.
4.28 kW
8.28 kW
10.28 kW
None of the above
O 6.28 kW
Transcribed Image Text:In a process plant, water is flowing through a globe valve. The pressure before the entering the globe valve is 10 bar and the velocity through a 100 mm valve inlet is 4 m/s. The valve is horizontally placed and when it is 50% open the downstream pressure is observed to be 2 bar. The outlet section of the valve has same diameter as the inlet section. Calculate the power needed to for water to flow through this valve. 4.28 kW 8.28 kW 10.28 kW None of the above O 6.28 kW
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