Which of the following heat treatments is used for .5 ?precipitation hardening Heat to high temperature, cool rapidly, heat to .a intermediate temperature, then cool Heat to intermediate temperature, cool rapidly, .b heat to high temperature, then cool Heat to high temperature, then cool rapidly .c Heat to intermediate temperature, then cool.d When a material is plastically deformed at low.6 temperature(around 25 degrees) relative to the melting temperature, which of the following change ?isn't observed a) Change in grain shape b) Strain hardening c) Decrease in dislocation density d) Increase in dislocation density Which of the following processes can be used to .7 ?refine the grain structure a) Recovery b) Recrystallization c) Grain growth .d) Such a process does not exist ?Which of the following is false for grain growth .8 a) The grains start growing b) Grain growth accelerates with increase in temperature c) Decrease in free energy d) Increase of surface energy

Which of the following heat treatments is used for .5 ?precipitation hardening Heat to high temperature, cool rapidly, heat to .a intermediate temperature, then cool Heat to intermediate temperature, cool rapidly, .b heat to high temperature, then cool Heat to high temperature, then cool rapidly .c Heat to intermediate temperature, then cool.d When a material is plastically deformed at low.6 temperature(around 25 degrees) relative to the melting temperature, which of the following change ?isn't observed a) Change in grain shape b) Strain hardening c) Decrease in dislocation density d) Increase in dislocation density Which of the following processes can be used to .7 ?refine the grain structure a) Recovery b) Recrystallization c) Grain growth .d) Such a process does not exist ?Which of the following is false for grain growth .8 a) The grains start growing b) Grain growth accelerates with increase in temperature c) Decrease in free energy d) Increase of surface energy

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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