Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 7, Problem 42R
List three things that can become a problem when cutting and affect your ability to make a quality cut.
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Chapter 7 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 7 - Using Table 7-1, list the six different fuel gases...Ch. 7 - What metals can be cut with the oxyfuel gas...Ch. 7 - What other term is used to refer to the OFC...Ch. 7 - What is a combination welding and cutting torch?Ch. 7 - State one advantage of owning a combination...Ch. 7 - State one advantage of owning a dedicated cutting...Ch. 7 - What is a mixing chamber? Where is it located?Ch. 7 - Define the term equal-pressure torch. How does it...Ch. 7 - How does an injector-type mixing chamber work?Ch. 7 - State the advantages of having two oxygen...
Ch. 7 - Why are some copper alloy cutting tips...Ch. 7 - Using Table 7-4, answer the following: a . Oxygen...Ch. 7 - What determines the amount of preheat flame...Ch. 7 - What can happen if acetylene is used on a tip...Ch. 7 - Why are some propane and natural gas tips made...Ch. 7 - What types of tip seals are used with cutting...Ch. 7 - If a cutting tip sticks in the cutting head, how...Ch. 7 - How can cutting torch tip seals be repaired?Ch. 7 - What is used to reduce the high cylinder or system...Ch. 7 - What do the two pressure gauges on a regulator...Ch. 7 - Why must the gas pressure be released and the...Ch. 7 - What should be done if the torch flashes back?Ch. 7 - What is the purpose of a reverse flow valve?Ch. 7 - Why must the reverse flow valve and the flashback...Ch. 7 - How can a hose be checked for leaks?Ch. 7 - Why is the oxygen valve turned on before starting...Ch. 7 - Why does the preheat flame become slightly...Ch. 7 - What causes the tiny ripples in a hand cut?Ch. 7 - Why is a slight forward torch angle helpful for...Ch. 7 - Why should cans, drums, tanks, or other sealed...Ch. 7 - Why is the torch tip raised as the cutting lever...Ch. 7 - Why are the preheat holes not aligned in the kerf...Ch. 7 - Sketch the proper end shape of a soapstone that is...Ch. 7 - What are two methods you can use to determine what...Ch. 7 - What is the best way to set the oxygen pressure...Ch. 7 - Why is it important to have extra ventilation...Ch. 7 - What factors regarding a cut can be read from the...Ch. 7 - What is hard slag?Ch. 7 - Why is it important to make good-quality cuts?Ch. 7 - When using an ordinary welding table, what can be...Ch. 7 - Describe the methods of controlling distortion...Ch. 7 - List three things that can become a problem when...Ch. 7 - How does cutting small-diameter pipe differ from...
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- What causes the tiny ripples in a hand cut?arrow_forwardMain characteristic when cutting Stainless Steel ISO M is: a/ Machining creates high cutting forces, built-up edge, heat and deformation hardening b/ Short-chipping material c/ Stainless steel is sticky and needs sharp cutting edgesarrow_forwardWhat two terms refer to the squareness of a cut?arrow_forward
- the tool is hacksaw... you should ignore if you can't grrrrarrow_forwardMain characteristic when cutting Non-ferrous materials ISO N is: O Machining at higher speeds creates abrasive wear Non-ferrous materials are sticky and need sharp cutting edges Machining creates high cutting forces, built-up edge, heat and deformation hardeningarrow_forwardSelect all that is true about crosshatching, also known as hatching, hatch lines, and section lines: Group of answer choices Crosshatching is not used over cavities within the cut. Hatch pattern standards exist for ANSI and ISO. Hatch lines indicate cut material that came in contact with the cutting plane. Different hatch patterns represent different materials. Hatch patterns and directions should be identical in adjacent parts within sectioned assemblies. Any hatch pattern can be used.arrow_forward
- Which type of feature doesn't belong to form tolerances? Circularity The profile of a surface Flatness Cilindricity Which option about chief elements in metal cutting is wrong? Feed s is the tool distance moved along the axis per revolution of the workarrow_forwardWhich one of the following statements is NOT true? Group of answer choices In orthogonal cutting, the cutting edge of the tool is perpendicular to the cutting direction. Continuous chips are typically formed at high cutting speeds and/or high rake angles. Continuous chips are always desirable because they produce good surface finish. In cutting, chip thickness is always greater than the depth of cut. PreviousNextarrow_forwardWhich formula is used for calculation of specific cutting pressure?arrow_forward
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