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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 4
6.
There are fourteen atoms in a unit cell of
body centred cubic space lattice
face centred cubic space lattice
close packed hexagonal space lattice
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The maximum internal diameter of a blast furnace is about
3 m
6 m
9 m
12 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In spheroidising process, the steel is
heated below the lower critical temperature and then cooled slowly
heated upto the lower critical temperature and then cooled in still air
heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Pearlite is a combination of 87% ferrite and 13% cementite.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The percentage carbon content in wrought iron is about
0.02
0.1
02
0.4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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