3. A pump draws water from a 20 cm diam suction pipe and discharges through a 15 cm diam pipe in which the velocity is 3.60 m/s. The pressure is – 34. 465 kPa at A in the suction pipe. The 15 cm diam pipe discharges horizontally into air at C. To what height h above B can the water be raised if B is 1.8 m. above A and 20 hp is delivered to the pump? Assume that the pump operates at 80 % efficiency and that the frictional loss in the pipe between A and C is 3 m. Given: h B Suction pipe Discharge pipe 1.80 m pump Datum line
3. A pump draws water from a 20 cm diam suction pipe and discharges through a 15 cm diam pipe in which the velocity is 3.60 m/s. The pressure is – 34. 465 kPa at A in the suction pipe. The 15 cm diam pipe discharges horizontally into air at C. To what height h above B can the water be raised if B is 1.8 m. above A and 20 hp is delivered to the pump? Assume that the pump operates at 80 % efficiency and that the frictional loss in the pipe between A and C is 3 m. Given: h B Suction pipe Discharge pipe 1.80 m pump Datum line
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![3. A pump draws water from a 20 cm diam suction pipe and discharges through a
15 cm diam pipe in which the velocity is 3.60 m/s. The pressure is – 34. 465 kPa
at A in the suction pipe. The 15 cm diam pipe discharges horizontally into air at
C. To what height h above B can the water be raised if B is 1.8 m. above A and
20 hp is delivered to the pump? Assume that the pump operates at 80 %
efficiency and that the frictional loss in the pipe between A and C is 3 m.
Given:
h
B
Suction pipe
Discharge pipe
1.80 m
pump
Datum line
DA = 20 cm = 0.20 m
DB = Dc = 15 cm = 0.15 m
PA = - 34.465 KPa (suction pressure)
VB = Vc = 3.6 m/s
Pc = 0 (atmospheric pressure)
BHP = 20 hp
Pump efficiency = 80%
HL(A-C) = 3 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7a3926b4-946c-4e98-bf03-cf1162f7a834%2F16344195-c14f-4500-9394-11818885e937%2Ffvt7jbf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. A pump draws water from a 20 cm diam suction pipe and discharges through a
15 cm diam pipe in which the velocity is 3.60 m/s. The pressure is – 34. 465 kPa
at A in the suction pipe. The 15 cm diam pipe discharges horizontally into air at
C. To what height h above B can the water be raised if B is 1.8 m. above A and
20 hp is delivered to the pump? Assume that the pump operates at 80 %
efficiency and that the frictional loss in the pipe between A and C is 3 m.
Given:
h
B
Suction pipe
Discharge pipe
1.80 m
pump
Datum line
DA = 20 cm = 0.20 m
DB = Dc = 15 cm = 0.15 m
PA = - 34.465 KPa (suction pressure)
VB = Vc = 3.6 m/s
Pc = 0 (atmospheric pressure)
BHP = 20 hp
Pump efficiency = 80%
HL(A-C) = 3 m
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