Bundle: Welding: Principles and Applications, 8th + MindTap Welding, 4 terms (24 months) Printed Access Card
8th Edition
ISBN: 9781337219426
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 14, Problem 18R
How much should the first cover pass weld overlap the edge of the weld groove?
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During some actual expansion and compression processes in piston–cylinder devices, the gases have been observed to satisfy the relationship PVn = C, where n and C are constants. Calculate the work done when a gas expands from 350 kPa and 0.03 m3 to a final volume of 0.2 m3 for the case of n = 1.5.
The work done in this case is kJ.
Carbon dioxide contained in a piston–cylinder device is compressed from 0.3 to 0.1 m3. During the process, the pressure and volume are related by P = aV–2, where a = 6 kPa·m6. Calculate the work done on carbon dioxide during this process.
The work done on carbon dioxide during this process is kJ.
Chapter 14 Solutions
Bundle: Welding: Principles and Applications, 8th + MindTap Welding, 4 terms (24 months) Printed Access Card
Ch. 14 - The ends of pipe are beveled at what angle?Ch. 14 - How wide should the metal surface be ground clear...Ch. 14 - According to the API code, pipes of the same...Ch. 14 - When cutting off a coupon, why should you catch a...Ch. 14 - How many tack welds are required for a pipe joint?Ch. 14 - Why are the ends of tack welds ground to a...Ch. 14 - Why must the root weld be started on a tack weld?Ch. 14 - What is the purpose of the hot pass?Ch. 14 - How much space must be left in the groove so there...Ch. 14 - What is another name for the cover pass?
Ch. 14 - What is the maximum acceptable depth of undercut...Ch. 14 - What type of weld would be used to join a socket...Ch. 14 - What is used to grind the ends of a tack weld to a...Ch. 14 - Why should you grind the starting point of the...Ch. 14 - What can be done if there is undercut along the...Ch. 14 - What should the gun angle be at when starting the...Ch. 14 - Why would it be a good idea to increase the...Ch. 14 - How much should the first cover pass weld overlap...Ch. 14 - Why does the gun angle have to be constantly...Ch. 14 - Why should the cover pass be kept small on 6G...
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