__________ metal is used as a bearing liner material.

Question: One of the methods of purification of leach liquor is ion exchange, which involves
[A].

exchange between two liquid phases.

[B].

exchange between a gaseous phase and a liquid phase.

[C].

exchange between a liquid phase and an organic resin phase.

[D].

exchange between a solid phase and a gas phase.

Answer: Option C

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.