Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Chapter 1, Problem 8RQ
In the lost�wax casting process, what happens to the foam?
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Chapter 1 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 1 - What role does manufacturing play relative to the...Ch. 1 - Arent all goods really consumer goods, depending...Ch. 1 - The Subway sandwich shop is an example of a job...Ch. 1 - How does a system differ from a process? From a...Ch. 1 - Is a cutting tool the same thing as a machine...Ch. 1 - What are the major classifications of basic...Ch. 1 - Casting is often used to produce a...Ch. 1 - In the lost�wax casting process, what happens to...Ch. 1 - In making a gold medal, what do we mean by a...Ch. 1 - How is a railroad station like a station on an...
Ch. 1 - Because no work is being done on a part when it is...Ch. 1 - What forming processes are used to make a paper...Ch. 1 - What is tooling in a manufacturing system?Ch. 1 - It is acknowledged that chipâ€�type machining is...Ch. 1 - Compare Figures 1.1 and 1.16. What are the...Ch. 1 - In a modern safety razor with three or four blades...Ch. 1 - List three purposes of packaging operations.Ch. 1 - Assembly is defined as the putting together of...Ch. 1 - What are the physical elements in a manufacturing...Ch. 1 - In the production system, who usually figures out...Ch. 1 - In Figure 1.8, what do the lines connecting the...Ch. 1 - Characterize the process of squeezing toothpaste...Ch. 1 - It has been said that low-cost products are more...Ch. 1 - Prob. 24RQCh. 1 - If the rolls for the cold-rolling mill that...Ch. 1 - Make a list of service systems, giving an example...Ch. 1 - What is the fundamental difference between a...Ch. 1 - Prob. 28RQCh. 1 - What kind of process is powder metallurgy: casting...Ch. 1 - In view of Figure 1.2, who really determines the...Ch. 1 - What costs make up manufacturing cost (sometimes...Ch. 1 - What are major phases of a product life cycle?Ch. 1 - How many different manufacturing systems might be...Ch. 1 - In general, as the annual volume for a product...Ch. 1 - The Toyota truck plant in Indiana produces 150,000...Ch. 1 - A company is considering making automobile bumpers...Ch. 1 - Many companies are critically examining the...Ch. 1 - We can analogize your university to a...Ch. 1 - What kind of manufacturing system (design) is your...Ch. 1 - What are the major process steps in the assembly...Ch. 1 - What is the relationship between Figures 1.2Â...Ch. 1 - Recently, National Geographic magazine asked the...
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- 6. The part of gating system which regulates the rate of pouring of molten metal in the mold is called 7. High refractoriness of a material refers to its. b. Chemical strength towards other material d. Ability to get dissolved in molten metal a. Slipperiness of the material c. Strength to withstand high temperature e. None of the above Your answer is: . 8. Usually weaker constituent of a composite is called . 9. Which polymer is the most important commercially: a. thermoplastics c. elastomers b. thermosets d. all of the above e. None of the above Your answer is: 10. Which of the following casting processes are expendable mold operations: a. centrifugal casting c. investment casting e. sand casting b. die casting d. low pressure casting f. None of the above Your answer is:arrow_forwardManufacturingarrow_forwardChoose the bestarrow_forward
- For the casting of the part whose perspective pictures are given below, take into account the section surface (model design), (core design if necessary), all molding stages and finally (the mold in the most suitable form for casting) and name all mold elements by showing them on the figure (Note: The hole seen in the figure is a full hole.)arrow_forwardQ1.Write down your answer briefly. i) Why is the permeability of shell mold higher as compared to sand mold? ii)What type of die casting process is mostly preferable for higher production rate? Justify your answer. iii) Bauschinger effect can be reduced by the stress aging process. Justify your answer. iv) Why is the sand for foundry practice called green sand? Can it be used for the core making process? v) What is moldability? How do you determine moldability of molding sand? vi) Which casting process is usually preferred for producing long tubular objects? Is it possible to manufacture a solid and parallelepiped object having different dimensions in a centrifugal casting process? Justify your answer. vii) What is directional solidification? How does a riser promote directional solidification?arrow_forwardIn sand moulding process, a rammer is a. A device for measuring moisture content in foundry sand O b. A tool used in foundry to pack the sand in mould O c. A tool used in foundry for repairing the mould O d. A tool used in foundry for cleaning of castings Which of the following helps to prevent the impurities and foreign m aarrow_forward
- نقطة واحدة The third sequence in the Injection machine of polymers, a shot of melt, which has been brought to the right temperature and viscosity by heating and the mechanical working of the screw, is injected under high pressure into the mold .cavity TO FO * Coppola is used to convert pig iron to gray .cast iron TO F LLarrow_forwardWhen designing a bespoke hook for an industrial crane, the embodiment process is likely to resemble: O Hand calculations, physical prototyping, 3D simulation O Hand calculations, computer modelling/simulation, physical prototyping Physical prototyping, computer modelling/simulation, physical prototyping O Need more information to tell.*arrow_forwardBriefly explain the Shell molding process with a neat diagram?arrow_forward
- What are some of the operations required of sand castings after removal from the moldarrow_forwardno hurry ............. a very good handwriting with every step to be mentioned to understand the answer easily step to follow given requirement solution result if not followed the above steps , ready for consequences i want the solution with a very good handwritingarrow_forward26 Which one of the following is not a step of investment casting? a) Making the wax patterns b) Holding the mold in an inverted position and heating to melt the wax and leaving it to drip out of the cavity C) Making two or more halves mold to remove the pattern easily d) Attaching the patterns to a sprue (tree) e) Coating the tree with the liquid ceramic slurryarrow_forward
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