Mechanical Engineering - Engineering Materials

26.
An aluminium alloy with 11% silicon is used for making engine pistons by die casting technique.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Which of the following is an amorphous material?
Mica
Silver
Lead
Glass
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The machinability of steel is improved by adding
nickel
chromium
nickel and chromium
sulphur, lead and phosphorus
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
The carbon in the pig iron varies from
0.1 to 0.5%
0.5 to 1%
1 to 5%
5 to 10%
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
The type of space lattice found in alpha-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.