1) In the figure below, assume the pipe diameter is 4-inches, (f = 0.035), Distance from BC is 18-feet, distance DE is 187-feet and ∆ z = 69-feet. The elevation of C is 14-feet above the lower water surface. If the pressure head @ C is to be no less than (–) 20 feet, what is the maximum flow rate that can be pumped? (Flow rate in GPM)
2) If the pump from the previous problem has 63% efficiency, what horsepower must be supplied to the pump in order to convey flow through the system?
(Kent = .8) Assume a submerged
exit.
Homework Answers
For Part 2 Option B is Correct and the variation between the answer is coming due to approximation in calculation otherwise procedure is correct.
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1) In the figure below, assume the pipe diameter is 4-inches,
(f = 0.035), Distance from...
A 38-in pump is installed for the system below. The pipe (100- cm diameter) has a...
A 38-in pump is installed for the system below. The pipe (100- cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that K = 0.5 (pipe entrance) and K. = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Kε = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in grm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
08 % Problem 4 (25 points) A 38-in pump is installed for the system below. The...
08 % Problem 4 (25 points) A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the...
The following figure depicts a pipe system connecting two reservoirs. No minor losses should be considered...
The following figure depicts a pipe system connecting two reservoirs. No minor losses should be considered in this problem. Assume that y=62.4 lb/ft. The water surface elevation at Reservoir A is 24 feet, and at Reservoir Dthe water surface elevation is 100 feet. The pump supplies a head of He=100 feet. The pipe system consists of pipes in series with the following characteristics: Pipe ABBCCD Diameter (in) 18 18 Length (ft) 4,000 1,000 2,000 Darcyf 0.015 0.020 0.015 la) Calculate...
2 Underground water is to be pumped by a 80 percent efficient 10-kW submerged pump to a pool whose free surface is X m above the underground water level (see Figure 2). The diameter of the pipe is 10...
2 Underground water is to be pumped by a 80 percent efficient 10-kW submerged pump to a pool whose free surface is X m above the underground water level (see Figure 2). The diameter of the pipe is 10 cm on the intake side and 8 cm on the discharge side. Determine (a) the maximum flow rate of water and (b) the pressure difference across the pump. Assume the elevation difference between the pump inlet and the outlet and the...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke-0.5 (pipe entrance) and K = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. 180 m Elevation V Elevation =...
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A 38-in pump is installed for the system below. The pipe (100- cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that K = 0.5 (pipe entrance) and K. = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Kε = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in grm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
08 % Problem 4 (25 points) A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the...
The following figure depicts a pipe system connecting two reservoirs. No minor losses should be considered in this problem. Assume that y=62.4 lb/ft. The water surface elevation at Reservoir A is 24 feet, and at Reservoir Dthe water surface elevation is 100 feet. The pump supplies a head of He=100 feet. The pipe system consists of pipes in series with the following characteristics: Pipe ABBCCD Diameter (in) 18 18 Length (ft) 4,000 1,000 2,000 Darcyf 0.015 0.020 0.015 la) Calculate...
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A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke-0.5 (pipe entrance) and K = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. 180 m Elevation V Elevation =...
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