z=174 m z=152 m H z=104 m B z=91 m Pump G C F 2. A pump is used to deliver water from a reservoir to a large tank for a flowrate of 1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square- edged entrance. From B to C, the pipe is 760 m long and has three gate valves and two 90° elbows. Gage pressure at C is 197 kPa. From F to G, the pipe is 760 m long and contains two gate valves (Kg,v=0.136), four 90° elbows (K90=0.51) and connects the tank with an exit (Kext=1). All pipe is 508 mm in diameter (D) and made by cast iron (e = 0.26 mm). 1) Calculate the average velocity of water in the pipe. (10 pts) 2) Calculate the gage pressure at F. (15 pts) 3) If the pump's efficiency is 80%, calculate the power input to the pump. (10 pts) 4) If the shear stress can be calculated using the equation Д др T = 4 дх др and ≈pg дх hL,major L Calculate the average wall shear stress in section F-G. (15 pts)
z=174 m z=152 m H z=104 m B z=91 m Pump G C F 2. A pump is used to deliver water from a reservoir to a large tank for a flowrate of 1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square- edged entrance. From B to C, the pipe is 760 m long and has three gate valves and two 90° elbows. Gage pressure at C is 197 kPa. From F to G, the pipe is 760 m long and contains two gate valves (Kg,v=0.136), four 90° elbows (K90=0.51) and connects the tank with an exit (Kext=1). All pipe is 508 mm in diameter (D) and made by cast iron (e = 0.26 mm). 1) Calculate the average velocity of water in the pipe. (10 pts) 2) Calculate the gage pressure at F. (15 pts) 3) If the pump's efficiency is 80%, calculate the power input to the pump. (10 pts) 4) If the shear stress can be calculated using the equation Д др T = 4 дх др and ≈pg дх hL,major L Calculate the average wall shear stress in section F-G. (15 pts)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
A pump is used to deliver water from a reservoir to a large tank for a flow rate of 1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square-edged entrance.
![z=174 m
z=152 m
H
z=104 m
B
z=91 m
Pump
G
C
F
2. A pump is used to deliver water from a reservoir to a large tank for a flowrate of
1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square-
edged entrance. From B to C, the pipe is 760 m long and has three gate valves and
two 90° elbows. Gage pressure at C is 197 kPa. From F to G, the pipe is 760 m long
and contains two gate valves (Kg,v=0.136), four 90° elbows (K90=0.51) and connects
the tank with an exit (Kext=1). All pipe is 508 mm in diameter (D) and made by cast
iron (e = 0.26 mm).
1) Calculate the average velocity of water in the pipe. (10 pts)
2) Calculate the gage pressure at F. (15 pts)
3) If the pump's efficiency is 80%, calculate the power input to the pump. (10 pts)
4) If the shear stress can be calculated using the equation
Д др
T =
4 дх
др
and ≈pg
дх
hL,major
L
Calculate the average wall shear stress in section F-G. (15 pts)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbf15b3c9-12b8-4e64-a0bf-6c6d5d98dc14%2F7046b4f4-1623-4158-85d8-ca0296700d0f%2Frrx7e6l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:z=174 m
z=152 m
H
z=104 m
B
z=91 m
Pump
G
C
F
2. A pump is used to deliver water from a reservoir to a large tank for a flowrate of
1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square-
edged entrance. From B to C, the pipe is 760 m long and has three gate valves and
two 90° elbows. Gage pressure at C is 197 kPa. From F to G, the pipe is 760 m long
and contains two gate valves (Kg,v=0.136), four 90° elbows (K90=0.51) and connects
the tank with an exit (Kext=1). All pipe is 508 mm in diameter (D) and made by cast
iron (e = 0.26 mm).
1) Calculate the average velocity of water in the pipe. (10 pts)
2) Calculate the gage pressure at F. (15 pts)
3) If the pump's efficiency is 80%, calculate the power input to the pump. (10 pts)
4) If the shear stress can be calculated using the equation
Д др
T =
4 дх
др
and ≈pg
дх
hL,major
L
Calculate the average wall shear stress in section F-G. (15 pts)
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