Water at 50°F is pumped between two reservoirs at 0.2 ft/s through 400 ft of 2-in Schedule 40 steel pipe and several minor losses as shown in the sketch. The length of the suction line is 30 ft long and is 3-in Schedule 40 steel pipe. a) Compute the NPSHA for the suction line knowing the NPSHR for the pump is 4.5 ft; and b) Compute the pump horsepower required. Sharp = 120 n exit 90 clbow 30 ft of pipe. 3-in Schedule 40 = 20 n Sharp entrance Half-open gate valve 90 elbow Pump Open globe valve 400 ft of pipe, 2 in Schedule 40

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Water at 50°F is pumped between two reservoirs at 0.2 ft/s through 400 ft of 2-in
Schedule 40 steel pipe and several minor losses as shown in the sketch. The length of
the suction line is 30 ft long and is 3-in Schedule 40 steel pipe.
a)
Compute the NPSHA for the suction line knowing the NPSHR for the pump is
4.5 ft; and
b)
Compute the pump horsepower required.
= 120 n
Sharp
exit
90 elbow
30 ft of pipe.
3-in Schedule 40
= 20 fn
Sharp
entrance
Half-open
gate valve
90 clbow
Pump
Open globe
valve
400 t of pipe, 2 in Schedule 40
Transcribed Image Text:Water at 50°F is pumped between two reservoirs at 0.2 ft/s through 400 ft of 2-in Schedule 40 steel pipe and several minor losses as shown in the sketch. The length of the suction line is 30 ft long and is 3-in Schedule 40 steel pipe. a) Compute the NPSHA for the suction line knowing the NPSHR for the pump is 4.5 ft; and b) Compute the pump horsepower required. = 120 n Sharp exit 90 elbow 30 ft of pipe. 3-in Schedule 40 = 20 fn Sharp entrance Half-open gate valve 90 clbow Pump Open globe valve 400 t of pipe, 2 in Schedule 40
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