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MATSE EXAM 1B With Complete Solutions
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MATSE EXAM 1B With Complete Solutions
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MATSE EXAM 1B With Complete Solutions
Which is true regarding the seven crystal systems? ANS✔✔ there are 7 shapes that can completely fill 3D space through
translational symmetry
Which of the following is NOT one of the 7 crystal systems? ANS✔✔ FCC
A crystal has sides a ≠ b ≠ c and angles = = 90 degrees and ≠ 90 degrees. To which crystal system does this crystal
belong? ANS✔✔ monoclinic
Which direction has the highest linear density in a crystal of Cu that crystallizes in the fcc? ANS✔✔ [110]
Which direction has the highest linear density in a crystal of Na that crystallizes in the bcc? ANS✔✔ [111]
In a BCC metal, the plane with the highest planer density is: ANS✔✔ (110)
The closest packed plane in a metal FCC structure is: ANS✔✔ (111)
Which is TRUE about Bragg's Law? ANS✔✔ All The Above
Which plane will show a peak on a diffraction pattern for alphaFe (metal bcc structure)? ANS✔✔ (220)
Which of the following statements about vacancies is true? ANS✔✔ as temperature increases, the number of vacancies
will increase
The HumeRothery rules give the conditions to be met for ANS✔✔ Complete solid solubility
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