17. A cast-iron pipe of 750 mm diameter is used to carry water under a head of 60 m. What is the approximate thickness of the pipe if permissible stress is to be 20 MPa? (Take specific weight of water as 9.81 kN/m³) (a) 22 mm (c) 11 mm (b) 14 mm (d) 7 mm

17. A cast-iron pipe of 750 mm diameter is used to carry water under a head of 60 m. What is the approximate thickness of the pipe if permissible stress is to be 20 MPa? (Take specific weight of water as 9.81 kN/m³) (a) 22 mm (c) 11 mm (b) 14 mm (d) 7 mm

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.11P

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Concept explainers

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

17.
A cast-iron pipe of 750 mm diameter is used to carry water under a head of 60 m. What
is the approximate thickness of the pipe if permissible stress is to be 20 MPa?
(Take specific weight of water as 9.81 kN/m³)
(a) 22 mm
(c) 11 mm
(b) 14 mm
(d) 7 mm

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