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A process vessel is to be designed for the maximum operating pressure of 500 kN/m². The vessel has the nominal diameter of 1.2 m and tangent to tangent length of 2.4 m. The vessel is made of IS: 2002-1962 Grade 2B quality steel having allowable design stress value of 118 MN/m² at working temperature. The corrosion allowance is suggested to be 2 nm for the life span expected for the vessel. The vessel is to be fabricated according to class 2 of Indian Standard specifications which stipulate the weld joint efficiency of 0.85. (a) What will be the standard plate thickness to fabricate this vessel ? (b) If a spherical vessel having the same diameter and thickness is fabricated with the same quality steel, what maximum internal pressure the sphere will withstand safely?

A process vessel is to be designed for the maximum operating pressure of 500 kN/m². The vessel has the nominal diameter of 1.2 m and tangent to tangent length of 2.4 m. The vessel is made of IS: 2002-1962 Grade 2B quality steel having allowable design stress value of 118 MN/m² at working temperature. The corrosion allowance is suggested to be 2 nm for the life span expected for the vessel. The vessel is to be fabricated according to class 2 of Indian Standard specifications which stipulate the weld joint efficiency of 0.85. (a) What will be the standard plate thickness to fabricate this vessel ? (b) If a spherical vessel having the same diameter and thickness is fabricated with the same quality steel, what maximum internal pressure the sphere will withstand safely?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A process vessel is to be designed for the maximum operating pressure of 500 kN/m². The vessel has the nominal diameter of 1.2 m and tangent to tangent length of 2.4 m. The vessel is made of IS: 2002-1962 Grade 2B quality steel having allowable design stress value of 118 MN/m² at working temperature. The corrosion allowance is suggested to be 2 nm for the life span expected for the vessel. The vessel is to be fabricated according to class 2 of Indian Standard specifications which stipulate the weld joint efficiency of 0.85. (a) What will be the standard plate thickness to fabricate this vessel ? (b) If a spherical vessel having the same diameter and thickness is fabricated with same quality steel, what maximum internal pressure the sphere will withstand safely ?
Transcribed Image Text:A process vessel is to be designed for the maximum operating pressure of 500 kN/m². The vessel has the nominal diameter of 1.2 m and tangent to tangent length of 2.4 m. The vessel is made of IS: 2002-1962 Grade 2B quality steel having allowable design stress value of 118 MN/m² at working temperature. The corrosion allowance is suggested to be 2 nm for the life span expected for the vessel. The vessel is to be fabricated according to class 2 of Indian Standard specifications which stipulate the weld joint efficiency of 0.85. (a) What will be the standard plate thickness to fabricate this vessel ? (b) If a spherical vessel having the same diameter and thickness is fabricated with same quality steel, what maximum internal pressure the sphere will withstand safely ?
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