A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m2.K. The Biot number is

Question: Fractional solvent extraction
[A].

employs only one solvent

[B].

employs two solvents

[C].

results in low interfacial tension

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Pick out the correct statement.
[A].

Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non-ideal binary system by distillation.

[B].

A sharp decrease in pressure drop is an indication of flooding in a distillation coloumn.

[C].

Solvent used in extractive distillation should be of high volatility.

[D].

Flash distillation is suitable for separating components which have very close boiling temperature.

Answer: Option A

Explanation:

No answer description available for this question.