Creep consideration is the most important in case of the

Question: Leidenfrost point is a term concerned with the
[A].

condensation of the saturated vapor on a cold surface.

[B].

concentration of a corrosive solution by evaporation.

[C].

heat transfer between two highly viscous liquids.

[D].

boiling of a liquid on a hot surface.

Answer: Option D

Explanation:

No answer description available for this question.

Question: For concentrating an aqueous solution of a material like anhydrous Na2SO4, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator.
[A].

high pressure

[B].

vacuum

[C].

backward feed

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.