Exercise: Engineering Materials

Questions for: Engineering Materials

In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.
A:
Correct
B:
Incorrect
C:
D:
Answer: B
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Polyvinylchloride (PVC) is a __________ material.
A:
thermoplastic
B:
thermosetting
C:
D:
Answer: A
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In basic bessemer process, the furnace is lined with
A:
silica bricks
B:
a mixture of tar and burnt dolomite bricks
C:
either (a) or (b)
D:
none of these
Answer: B
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The material in which the atoms are arranged chaotically, is called
A:
amorphous material
B:
mesomorphous material
C:
crystalline material
D:
none of these
Answer: A
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Which of the following iron exist between 910° C and 1403° C?
A:
α-iron
B:
β-iron
C:
γ-iron
D:
δ-iron
Answer: C
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