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b) Engine oil (p = 888 kg/m', u = 0.8374 kg/m.s) in a reservoir is being discharged into the atmosphere through a 40-m-long, 50-cm-diameter cast iron pipe with a sharp- edged entrance. The pipe also involves a swing check valve and a fully open gate valve. The oil level in the reservoir is 5 m. The reservoir is pressurized by compressed air while the atmosphere is at 90 kPa. If the initial flow rate through the pipe is 2000 L/s, calculate the absolute air pressure in the reservoir.

b) Engine oil (p = 888 kg/m', u = 0.8374 kg/m.s) in a reservoir is being discharged into the atmosphere through a 40-m-long, 50-cm-diameter cast iron pipe with a sharp- edged entrance. The pipe also involves a swing check valve and a fully open gate valve. The oil level in the reservoir is 5 m. The reservoir is pressurized by compressed air while the atmosphere is at 90 kPa. If the initial flow rate through the pipe is 2000 L/s, calculate the absolute air pressure in the reservoir.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Air 5 m 2 cm
Transcribed Image Text:Air 5 m 2 cm
b) Engine oil (p = 888 kg/m', u = 0.8374 kg/m.s) in a reservoir is being discharged into the atmosphere through a 40-m-long, 50-cm-diameter cast iron pipe with a sharp- edged entrance. The pipe also involves a swing check valve and a fully open gate valve. The oil level in the reservoir is 5 m. The reservoir is pressurized by compressed air while the atmosphere is at 90 kPa. If the initial flow rate through the pipe is 2000 L/s, calculate the absolute air pressure in the reservoir.
Transcribed Image Text:b) Engine oil (p = 888 kg/m', u = 0.8374 kg/m.s) in a reservoir is being discharged into the atmosphere through a 40-m-long, 50-cm-diameter cast iron pipe with a sharp- edged entrance. The pipe also involves a swing check valve and a fully open gate valve. The oil level in the reservoir is 5 m. The reservoir is pressurized by compressed air while the atmosphere is at 90 kPa. If the initial flow rate through the pipe is 2000 L/s, calculate the absolute air pressure in the reservoir.
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