Boiling point of water gets lowered at high altitudes (e.g., hills), because

Question: A simple closed grinding circuit may consist of
[A].

a ball mill and a classifier.

[B].

a rod mill and a hydrocyclone.

[C].

a jaw crusher and a hydrocyclone.

[D].

a ball mill and a froth floatation cell.

Answer: Option A

Explanation:

No answer description available for this question.

Question: In hot working, dynamic recovery occurs in
[A].

metals of low stacking fault energy.

[B].

metals of high stacking fault energy e.g. α-iron.

[C].

single crystal of Ni-based superalloys.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.