Transcription of Solution for Homework #1
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Solution for Homework #1
Solution for Homework #1 Chapter 2: Multiple Choice Questions ( , , , ) Which of the following bond types are classified as primary bonds (more than one)? (a) covalent bonding, (b) hydrogen bonding, (c) ionic bonding, (d) metallic bonding, and (e) van der Waals forces. Answer. (a), (c), and (d). How many atoms are there in the unit cell of the face- centered cubic (FCC) unit cell (one answer)? (a) 8, (b) 9, (c) 10, (d) 12, or (e) 14. Answer. (e) Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? (a) BCC, (b) FCC, or (c) HCP.
27.5 The Jominy end-quench test is designed to indicate which one of the following? (a) cooling rate, (b) ductility, (c) hardenability, (d) hardness, or (e) strength. Answer. (c) The reader might be tempted to select (d) because the Jominy test indicates hardness; however, the reason for measuring hardness in the Jominy test is to measure
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