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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 1
46.
Nodular cast iron is produced by adding __________ to the molten cast iron.
nickel
chromium
copper
magnesium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Free carbon in iron makes the metal
soft and gives a coarse grained crystalline structure
soft and gives a fine grained crystalline structure
hard and gives a coarse grained crystalline structure
hard and gives a fine grained crystalline structure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The cupola is used to manufacture
pig iron
cast iron
wrought iron
steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The type of space lattice found in gamma-iron is
face centred cubic space lattice
body centred cubic space lattice
close packed hexagonal space lattice
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The property of a material due to which it breaks with little permanent distortion, is called
brittleness
ductility
malleability
plasticity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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