Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 30, Problem 60SDP
Review the poor and good joint designs shown in Fig. 30.31, and explain why they are labeled so.
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Chapter 30 Solutions
Manufacturing Engineering & Technology
Ch. 30 - Describe fusion as it relates to welding...Ch. 30 - Explain the features of neutralizing, reducing,...Ch. 30 - What is stick welding?Ch. 30 - Explain the basic principles of arc-welding...Ch. 30 - Why is shielded metal-arc welding a commonly...Ch. 30 - What keeps the weld bead on a steel surface...Ch. 30 - Describe the functions and characteristics of...Ch. 30 - What are the similarities and differences between...Ch. 30 - What properties are useful for a shielding gas?Ch. 30 - What are the advantages to thermit welding?
Ch. 30 - Explain where the energy is obtained in...Ch. 30 - Explain how cutting takes place when an...Ch. 30 - What is the purpose of flux? Why is it not needed...Ch. 30 - What is meant by weld quality? Discuss the...Ch. 30 - How is weldability defined?Ch. 30 - Why are welding electrodes generally coated?Ch. 30 - Describe the common types of discontinuities...Ch. 30 - Prob. 18RQCh. 30 - Explain why hydrogen welding can be used to...Ch. 30 - Prob. 20RQCh. 30 - Prob. 21QLPCh. 30 - It has been noted that heat transfer in gas-metal...Ch. 30 - Explain why some joints may have to be...Ch. 30 - Describe the role of filler metals in welding.Ch. 30 - List the processes that can be performed with...Ch. 30 - What is the effect of the thermal conductivity of...Ch. 30 - Describe the differences between oxyfuel-gas...Ch. 30 - Could you use oxyfuel-gas cutting for a stack of...Ch. 30 - What are the advantages of electron-beam and...Ch. 30 - Describe the methods by which discontinuities...Ch. 30 - Explain the significance of the stiffness of the...Ch. 30 - Prob. 32QLPCh. 30 - Which of the processes described in this chapter...Ch. 30 - Prob. 34QLPCh. 30 - Prob. 35QLPCh. 30 - Comment on the factors involved in electrode...Ch. 30 - Prob. 38QLPCh. 30 - Prob. 39QLPCh. 30 - Prob. 40QLPCh. 30 - Prob. 41QLPCh. 30 - What is weld spatter? What are its sources? How...Ch. 30 - Describe your observations concerning Fig. 30.20.Ch. 30 - Prob. 44QLPCh. 30 - Plot the hardness in Fig. 30.20d as a function of...Ch. 30 - A welding operation will take place on carbon...Ch. 30 - In Fig. 30.26b, assume that most of the top...Ch. 30 - A welding operation takes place on an...Ch. 30 - An arc welding operation is taking place on carbon...Ch. 30 - Comment on workpiece size and shape limitations...Ch. 30 - Arc blow is a phenomenon where the magnetic...Ch. 30 - Review the types of welded joints shown in Fig....Ch. 30 - Comment on the design guidelines given in...Ch. 30 - Prob. 55SDPCh. 30 - Prob. 56SDPCh. 30 - Make a list of welding processes that are suitable...Ch. 30 - Prob. 58SDPCh. 30 - Prob. 59SDPCh. 30 - Review the poor and good joint designs shown...Ch. 30 - In building large ships, there is a need to weld...Ch. 30 - Prob. 62SDPCh. 30 - Comment on whether there are common factors...Ch. 30 - Prob. 64SDPCh. 30 - Lattice booms for cranes are constructed from...Ch. 30 - A common practice in repairing expensive broken...
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- Please explain the significance of residual stress in welded structures and the ways to deal with this problem.arrow_forwardExplain with neat sketch, the joining process of “Riveting”.arrow_forwardDiscuss the significance of the initial tightening load and the applied load so far as bolts are concerned. Explain which of the loads must be greater for a properly designed bolted joint and explain how each affects the total load on the bolt.arrow_forward
- Why is cost a consideration in joint design?arrow_forwardA 40 mm diameter solid shaft is to be welded to a flat plate and is required to carry a torque of 2000 Nm. If fillet joint is used foe welding what will be the minimum size of the weld when working shear stress is 76 MPa.arrow_forwardANSWER FAS WITH A SUMMARIZED SOLUTIONarrow_forward
- Identify the conditions under which a brazed joint is likely to be “stronger” than the brazing material by itself. Describe the trends in joint fracture strength as it becomes wider/narrower or thinner/thicker.arrow_forwardGive a discussion on the applications of Bolts, Studs, Screws (Minimum 5 Aero-Specific applications).arrow_forwardLevers... After reading about levers and studying the pictures in your text, list 3 types of levers and give an example movement for the lever, make and explain why the activity is that type of lever-for example the effort, the joint, and the load in relationship.arrow_forward
- Two 1.2 mm thick flat copper sheets are being spot welded using a current of 6000A and a current flow time of 0.18 s. The electrodes are 5 mm in diameter. Estimate the generated in the weld zone. Take effective resistance as 150 ohm. also calculate temperature rise assuming that the heat generated is confined to the volume ogf materials directly between two electrodes and temperature is uniformly distributed.arrow_forwardTwo 1.2 mm thick flat copper sheets are being spot welded using a current of 6000 A and a current flow time of 0.18 s. The electrodes are 5 mm in diameter. Estimate the heat generated in the weld zone. Take effective resistance as 150 µΩ. Also calculate temperature rise assuming that the heat generated is confined to the volume of material directly between the two electrodes and temperature is uniformly distributed.arrow_forward(b) You are required to joint two parts together by joining process. One of the parts needs to be remove out of an assembly and replaced with a new part several times during the product's life due to failure. Recommend a suitable ioining process for this condition with ONE (1) example.arrow_forward
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