EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 9780100793439
Author: KALPAKJIAN
Publisher: YUZU
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Chapter 5, Problem 7RQ
What is continuous casting? What advantages does continuous casting have over casting into ingots?
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(27) List the applications of permanent mold casting along with metals most commonly cast for
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Chapter 5 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 5 - What are the major categories of ferrous alloys?Ch. 5 - Prob. 2RQCh. 5 - List the basic raw materials used in making iron...Ch. 5 - List the types of furnaces commonly used in...Ch. 5 - List and explain the characteristics of the types...Ch. 5 - Prob. 6RQCh. 5 - What is continuous casting? What advantages does...Ch. 5 - What is the role of a tundish in continuous...Ch. 5 - Prob. 9RQCh. 5 - What are trace elements?
Ch. 5 - What are the percentage carbon contents of...Ch. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - What is high-speed steel?Ch. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - What effect does carbon content have on mechanical...Ch. 5 - Identify several different products that are made...Ch. 5 - Professional cooks generally- prefer carbon-steel...Ch. 5 - Prob. 23QLPCh. 5 - Explain why continuous casting has been such an...Ch. 5 - Describe applications in which you would not want...Ch. 5 - Explain what would happen if the speed of the...Ch. 5 - The cost of mill products of metals increases with...Ch. 5 - Describe your observations regarding the...Ch. 5 - Prob. 29QLPCh. 5 - Prob. 30QLPCh. 5 - In Table 5.9, D2 steel is listed as a more common...Ch. 5 - List the common impurities in steel. Which of...Ch. 5 - Explain the purpose of the oil shown at the top...Ch. 5 - Recent research has identified mold-surface...Ch. 5 - Prob. 35QLPCh. 5 - List and explain the advantages and disadvantages...Ch. 5 - Conduct an Internet search and determine the...Ch. 5 - Refer to the available literature, and estimate...Ch. 5 - Some soft drinks are now available in steel cans...Ch. 5 - Using strength and density data, determine the...Ch. 5 - The endurance limit (fatigue life) of steel is...Ch. 5 - Using the data given in Table 5.4, obtain the...Ch. 5 - Based on the information given in Section 5.5.1,...Ch. 5 - Assume that you are in charge of public relations...Ch. 5 - Assume that you are in competition with the steel...Ch. 5 - In the past, waterfowl hunters used lead shot in...Ch. 5 - Aluminum is being used as a substitute material...Ch. 5 - In the 1940s (the Second World War), the Yamato...Ch. 5 - Search the technical literature, and add more...Ch. 5 - Referring to Fig. 5.4a, note that the mold has...
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- . A round casting is 0.2 m in diameter and 1 m in length. Another casting of the same metal iselliptical in cross section, with a major-to-minor axis ratio of 2, and has the same length andcross sectional area as the round casting. Both pieces are cast under the same conditions.What is the difference in the solidification times of the two castings?arrow_forwardA riser in the shape of a sphere is to be designed for a sand casting mould at Simon Castings. The casting is a rectangular plate, with length = 400 mm, width = 250 mm, and thickness = 15 mm. If the total solidification time of the casting itself is known to be 7 min, determine the diameter of the riser so that it will take 30% longer for the riser to solidify.arrow_forwardA cylinder with a diameter of 40 mm and height of 80 mm solidifies in 3 minutes in a sand casting operation. What is the solidification time if the cylinder height is doubled? What is the time if the diameter is doubled?arrow_forward
- Why the Lead is used in medical devices such as x-ray apparatus? Why the actual size and shape of the cavity must be slightly oversized the product? Why Venting holes and passageways must be built in die casting and not in sand casting?arrow_forwardIs it possible to manufacture a propeller of a commercial-scale heavy-duty ship using the Investment Casting Process? Briefly support your explanation with reasoning if it is not possible.arrow_forwardDescribe the stages involved in the contraction of metals during casting.(a) Contraction of the molten metals as it cools prior to its solidification.(b) Contraction of the metal during phase change from liquid to solid.(c) Contraction of the solidified metals as its temperature drops to ambient temperature.(d) All of above.(e) None of above.2. What kinds of defects in castings?(a) Hot tear.(b) Surface scar.(c) Plastic deformation.(d) Ductile flow.3. How does porosity have detrimental effects on the mechanical and physical properties ofcastings?(a) Pores in castings are resulted from internal discontinuities when that are prone topropagate under external stresses.(b) The toughness of a material will decrease as a result of porosity.(c) Physical properties, such as thermal and electrical conductivity, also be adverselyaffected by porosity.(d) Pores increase the strength and elastic modulus.(e) Porosity increases both the thermal and electrical conductivity4. Thermosetting plastics can…arrow_forward
- For sand-casting a steel rectangular plate with dimensions 80mm×120mm×20mm, a cylindrical riser has to be designed. The height of the riser is equal to its diameter. The total solidification time for the casting is 2 minutes. In Chvorinov‟s law for the estimation of the total solidification time, exponent is to be taken as 2. For a solidification time of 3 minutes in the riser, the diameter (in mm) of the riser is ____arrow_forwardParvinbhaiarrow_forwardA riser in the shape of a sphere is to be designed for a sand casting mold. The casting is a rectangular plate, with length = 100 mm, width = 50 mm, and thickness = 10 mm. If the total solidification time of the casting itself is known to be 2.5 min, determine the diameter of the riser so that it will take 20% longer for the riser to solidify. %3D %3!arrow_forward
- Explain the working of principles of the die casting process which is most preferred of the high production rate?arrow_forwardWhy Venting holes and passageways must be built in die casting and not in sand casting? Why the cost of products reduce when increase the quantity? Why the actual size and shape of the cavity must be slightly oversized the product?arrow_forwardDescribe the die casting process in detail. Use neat sketches for clarity. Differentiate clearly between hot-chamber die casting and cold-chamber die casting processes. What is the difference between true centrifugal and semi-centrifugal casting? Describe the centrifugal casting process in detail. Use neat sketches to elaborate your description.arrow_forward
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Explanation of Solidification of Metals & Alloys | Manufacturing Processes; Author: Magic Marks;https://www.youtube.com/watch?v=G5z9KknF_s8;License: Standard Youtube License