Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 32R
What cautions must be taken when chemically cleaning oil or paint from a piece of metal?
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Lower operating temperatures are more desirable as they reduce the viscosity making it easier to fill the cavity
This process can be used for both thermosets and thermoplastics as they can both be thermally shaped
This process can only be used for thermosets as they can thermally cure from the monomer state
This process is suitable for rubber, PVC and polymethyl methacrylate
What is the importance in using a metal as the material for the exhaust gasket?
Metal was chosen to withstand the high temperatures of the exhaust gas
Metal was used to reduce the weight of the engine
The material was chosen because it was the cheapest option
Provides an air-tight seal between the muffler and engine block
Where are the fasteners used?
Chapter 12 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 12 - List some factors that have led to the increased...Ch. 12 - How is FCAW similar to GMAW?Ch. 12 - What does the FCA flux provide to the weld?Ch. 12 - What are the major atmospheric contaminations of...Ch. 12 - How does slag help an FCA weld?Ch. 12 - How can FCA welding guns be cooled?Ch. 12 - Excessive drive roller pressure causes what...Ch. 12 - List the advantages that FCA welding offers the...Ch. 12 - Describe the two methods of manufacturing FCA...Ch. 12 - Why are the large diameter electrodes not used for...
Ch. 12 - How do deoxidizers remove oxygen from the weld...Ch. 12 - What do fluxing agents do for a weld?Ch. 12 - Why are alloying elements added to the flux?Ch. 12 - How does the flux form a shielding gas to protect...Ch. 12 - What are the main limitations of the rutile...Ch. 12 - Why is it more difficult to use lime-based fluxed...Ch. 12 - What benefit does adding an externally supplied...Ch. 12 - How do excessive amounts of manganese affect a...Ch. 12 - Why are elements added that cause ferrite to form...Ch. 12 - Why must a flux form a less dense slag?Ch. 12 - Referring to Table 12-5, what is the AWS...Ch. 12 - Describe the meaning of each part of the following...Ch. 12 - What does the number 316 in E316T-1 mean?Ch. 12 - What is the advantage of using an argon- CO2 mixed...Ch. 12 - Why are some slags called refractory?Ch. 12 - What can happen to slag that solidifies on the...Ch. 12 - How is the electrode extension measured?Ch. 12 - What can cause porosity in an FCA weld?Ch. 12 - What happens to water in the welding arc?Ch. 12 - What is the thin dark gray or black layer on new...Ch. 12 - Why is uniformly scattered porosity hard to detect...Ch. 12 - What cautions must be taken when chemically...
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- What types of protection are available to protect the ears during welding?arrow_forwardWhich copper-zinc brazing alloy could be used to join or repair each of the following: a. cast iron b. build up wear surfaces c. malleable iron d. naval brassarrow_forwardWhat shielding gas mixture and flow rate are recommended for the FCAW-G SENSE workmanship samples?arrow_forward
- What special protective items can be worn to provide extra protection for a welder’s hands, arms, body, waist, legs, and feet?arrow_forwardTrue or False: Stainless steel is often used for evaporators because it is durable, very sanitary. and resists corrosion.arrow_forwardWHat should be worn when working with any type of cleaning solvent or chemical?arrow_forward
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