Please answer part a b PROBLEM 14(a) Assuming a 24-in. steel pipe to be rigid, what pressure occurs when a flow of 20 cfs of oil (SG = 0.85) and Es = 250,000 psi, is stoppedsuddenly?(b) If the pipeline is 8000 ft long, how much time should be allowed for closing a valve to avoid water hammer?PROBLEM 15If a 24-in. steel pipe 8000 ft long is designed for a stress of 15,000 psi under a maximum static head of 1085 ft of water, how much will thestress in the walls of the pipe increase when a quick-closing valve stops a flow of 30 cfs?Es = 300,000 psi, Ep - 30 x 10° psi.

Answered: Image /qna-images/answer/4ecbd5cd-fa3b-4452-a24f-6dac798c0f20.jpg

Answered: Please answer part a b

Engineering

Civil Engineering

Please answer part a b

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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Concept explainers

Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).

Question

Please answer part a b

PROBLEM 14
(a) Assuming a 24-in. steel pipe to be rigid, what pressure occurs when a flow of 20 cfs of oil (SG = 0.85) and Es = 250,000 psi, is stopped
suddenly?
(b) If the pipeline is 8000 ft long, how much time should be allowed for closing a valve to avoid water hammer?
PROBLEM 15
If a 24-in. steel pipe 8000 ft long is designed for a stress of 15,000 psi under a maximum static head of 1085 ft of water, how much will the
stress in the walls of the pipe increase when a quick-closing valve stops a flow of 30 cfs?
Es = 300,000 psi, Ep - 30 x 10° psi.

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