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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 5
46.
Monel metal contains
65% nickel, 15% chromium and 20% iron
68% nickel, 29% copper and 3% other constituents
80% nickel and 20% chromium
80% nickel, 14% chromium and 6% iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A fine grained steel
is less tough and has a greater tendency to distort during heat treatment
is more ductile and has a less tendency to distort during heat treatment
is less tough and has a less tendency to distort during heat treatment
is more ductile and has a greater tendency to distort during heat treatment
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Babbit metal contains
50% tin and 50% antimony
66% tin, 30% copper and 4% antimony
88% tin, 4% copper and 8% antimony
92% tin, 6% copper and 2% antimony
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
A steel with 0.8% carbon is known as
eutectoid steel
hyper-eutectoid steel
hypo-eutectiod steel
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
When a steel containing more than 0.8% carbon is cooled slowly below the lower critical point, it consists of
mainly pearlite
mainly ferrite
ferrite and pearlite
pearlite and cementite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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