EBK MANUFACTURING ENGINEERING & TECHNOL
EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 34, Problem 22QLP

It is well known that coatings may be removed or depleted during the service life of components, particularly at elevated temperatures. Describe the factors involved in the strength and durability of coatings.

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Question 1 (a) Contrast the process of material removal along a cylindrical shaft using a lathe and a grinder. Give at least two advantages and two limitations of each machine. [8] (b) When is it suitable to use EDM (Electro-Discharge Machining) process? [5] (c) Which is the best coating process for a metal surface exposed to wet conditions? [2] (d) Give five reasons why plastic material is commonly used nowadays to coat finished parts. [5] Question 2 (a) Describe with the aid of sketches, the principles of die casting by gravity methods. [10] (b Oketch and label anchored nyramid knurled and threaded insert inte a rubber binck also explain the reason for knurling one end. [5] (c) Explain the procedure for making a shell mould? [5] Question 3 (e) i. Discuss the process of Plasma Arc welding. ii. Mention five advantages of the process. (b) Explain with the help of a diagram, the High Frequency Welding process? Question 4 [7] E (a) With the help of diagrams, compare the principles of…

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EBK MANUFACTURING ENGINEERING & TECHNOL

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