Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Chapter 30, Problem 38R
To determine
The least amount of vacuum that a part must be subjected in order to make an EB weld.
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Students have asked these similar questions
A container filled with 70 kg of liquid water at 95°C is placed in a 90-m3 room that is initially at 12°C. Thermal equilibrium is established after a while as a result of heat transfer between the water and the air in the room. Assume the room is at the sea level, well sealed, and heavily insulated.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Determine the final equilibrium temperature. Use the table containing the ideal gas specific heats of various common gases.
The final equilibrium temperature is °C.
Steam at 100 psia and 650°F is expanded adiabatically in a closed system to 10 psia. Determine the work produced, in Btu/lbm, and the final temperature of steam for an isentropic expansion efficiency of 80 percent. Use steam tables.
The work produced is Btu/lbm.
The final temperature of steam is °F.
Complet the solution :
Vavg
Ti
Te
Ts
Q
hexp Nuexp htheo Re Nutheo Error
(m/s) (*C) (*C) (*C)
(W)
2.11 18.8 21.3 45.8
2.61 18.5 20.8 46.3
Chapter 30 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 30 - What protects the molten SAW pool from the...Ch. 30 - How can manual SA welding gun movement be...Ch. 30 - What are the two methods of mechanical travel for...Ch. 30 - How is the weld metal deposited in the molten weld...Ch. 30 - In what forms can SA welding filler metal be...Ch. 30 - How is the manganese range of the SA electrode...Ch. 30 - Why could a single SA welding flux have more than...Ch. 30 - List the three groupings of SA welding fluxes...Ch. 30 - Why are alloys not added to fused SA fluxes?Ch. 30 - What is in bonded SA fluxes?
Ch. 30 - What must be done with SA fluxes to prevent...Ch. 30 - Prob. 12RCh. 30 - What happens to the unfused SA welding flux?Ch. 30 - Why is some form of mechanical guidance required...Ch. 30 - List the common methods used to start the SA arc.Ch. 30 - Prob. 16RCh. 30 - Prob. 17RCh. 30 - Prob. 18RCh. 30 - How is an ES weld started?Ch. 30 - Prob. 20RCh. 30 - Prob. 21RCh. 30 - What is the major difference between ESW and EGW?Ch. 30 - Prob. 23RCh. 30 - What can be used to produce the force needed to...Ch. 30 - Prob. 25RCh. 30 - What steps can be included in RSW?Ch. 30 - Prob. 27RCh. 30 - Prob. 28RCh. 30 - Prob. 29RCh. 30 - What is the most common joint for seam welds?Ch. 30 - Prob. 31RCh. 30 - Prob. 32RCh. 30 - Why is FW not usually cost-effective for short...Ch. 30 - Prob. 34RCh. 30 - Prob. 35RCh. 30 - Prob. 36RCh. 30 - Prob. 37RCh. 30 - Prob. 38RCh. 30 - How can a misaligned seam be tracked automatically...Ch. 30 - Prob. 40RCh. 30 - Prob. 41RCh. 30 - Prob. 42RCh. 30 - List the steps of the inertia welding process.Ch. 30 - Prob. 44RCh. 30 - Prob. 45RCh. 30 - Prob. 46RCh. 30 - Prob. 47RCh. 30 - Why is THSP known as a cold buildup process?Ch. 30 - Which thermal spray process can be used to apply...Ch. 30 - Why should thermal spray coats be applied as thin...Ch. 30 - What is the advantage of using an inert gas for...Ch. 30 - Prob. 52RCh. 30 - Prob. 53RCh. 30 - Prob. 54RCh. 30 - Prob. 55RCh. 30 - Prob. 56RCh. 30 - Prob. 57RCh. 30 - Prob. 58RCh. 30 - Prob. 59RCh. 30 - How can wear provide a self-sharpening effect on...Ch. 30 - Prob. 61R
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