14- With regard to imperfections in solid metals, which of the following information is/are true? I- Motion of dislocations through grain boundaries requires extra energy. Il-Existence of impurity atoms in solid metal (alloying) would increase its electrical conductivity. III- Yield strength of a metal increases as the grain size decreases. A- Only I. B- Only II. C- Only III. D- I and III. E- H and II.
14- With regard to imperfections in solid metals, which of the following information is/are true? I- Motion of dislocations through grain boundaries requires extra energy. Il-Existence of impurity atoms in solid metal (alloying) would increase its electrical conductivity. III- Yield strength of a metal increases as the grain size decreases. A- Only I. B- Only II. C- Only III. D- I and III. E- H and II.
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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