Answered: Welded seams

Engineering

Mechanical Engineering

Welded seams

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter25: Testing And Inspection

Section: Chapter Questions

Problem 1R: Why are all welds not inspected to the same level or standard?

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Concept explainers

Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.

Question

A cylindrical tank with hemispherical
heads is constructed of steel sections that are welded
circumferentially (see figure). The tank diameter is
1.25 m, the wall thickness is 22 mm, and the internal
pressure is 1750 kPa.
(a) Determine the maximum tensile stress σ_h in the
heads of the tank.
(b) Determine the maximum tensile stress σ_c in the
cylindrical part of the tank.
(c) Determine the tensile stress σ_w acting perpendicular
to the welded joints.
(d) Determine the maximum shear stress τ_h in the
heads of the tank.
(e) Determine the maximum shear stress τ_c in the
cylindrical part of the tank.

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