Exercise: Engineering Materials

Questions for: Engineering Materials

There are fourteen atoms in a unit cell of
A:
body centred cubic space lattice
B:
face centred cubic space lattice
C:
close packed hexagonal space lattice
D:
none of these
Answer: B
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Which of the following inpurity in cast iron makes it hard and brittle?
A:
Silicon
B:
Sulphur
C:
Manganese
D:
Phosphorus
Answer: B
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Connecting rod is, usually, made from
A:
low carbon steel
B:
high carbon steel
C:
medium carbon steel
D:
high speed steel
Answer: C
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German silver contains
A:
1% silver
B:
2% silver
C:
5% silver
D:
no silver
Answer: D
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Which of the following property is desirable in parts subjected to shock and impact loads?
A:
Strength
B:
Stiffness
C:
Brittleness
D:
Toughness
Answer: D
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