Explore topic-wise MCQs in Separation Processes.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

Which equation is used for ideal solutions at near ambient pressure?

A. K i = ϕ iL / ϕ iV
B. K i = γ iL ϕiL/ ϕ iV
C. K i = P i s /P
D. K i =γ iL P i s /P
Answer» D. K i =γ iL P i s /P
Discussion
2.

At equilibrium the total Gibb’s free energy for all phases is

A. Minimum
B. Maximum
C. Infinity
D. Zero
Answer» B. Maximum
Discussion
3.

WHICH_EQUATION_IS_USED_FOR_IDEAL_SOLUTIONS_AT_NEAR_AMBIENT_PRESSURE??$

A. K <sub>i</sub> = ϕ <sub>iL</sub> / ϕ <sub>iV</sub>
B. K <sub>i</sub> = γ <sub>iL</sub> ϕ<sub>iL</sub>/ ϕ iV
C. K <sub>i</sub> = P <sub>i</sub> <sup>s</sup> /P
D. K <sub>i</sub> =γ <sub>iL</sub> P <sub>i</sub> <sup>s</sup> /P
Answer» D. K <sub>i</sub> =‚âà√≠‚Äö√¢‚Ä¢ <sub>iL</sub> P <sub>i</sub> <sup>s</sup> /P
Discussion
4.

Which equation is used for all mixtures from ambient to critical temperature?

A. K <sub>i</sub> = ϕ <sub>iL</sub> / ϕ <sub>iV</sub>
B. K <sub>i</sub> = γ <sub>iL</sub> ϕ<sub>iL</sub>/ ϕ iV
C. K <sub>i</sub> = P <sub>i</sub> <sup>s</sup> /P
D. K <sub>i</sub> =γ <sub>iL</sub> P <sub>i</sub> <sup>s</sup> /P
Answer» C. K <sub>i</sub> = P <sub>i</sub> <sup>s</sup> /P
Discussion
5.

Which equation is to be used for hydrocarbon and light gas mixture from cryogenic temperatures to critical region?

A. K <sub>i</sub> = ϕ <sub>iL</sub> / ϕ <sub>iV</sub>
B. K <sub>i</sub> = γ <sub>iL</sub> ϕ<sub>iL</sub>/ ϕ iV
C. K <sub>i</sub> = P <sub>i</sub> <sup>s</sup> /P
D. K <sub>i</sub> =γ <sub>iL</sub> P <sub>i</sub> <sup>s</sup> /P
Answer» B. K <sub>i</sub> = ‚âà√≠‚Äö√¢‚Ä¢ <sub>iL</sub> ‚âà√¨‚àö√ò<sub>iL</sub>/ ‚âà√¨‚àö√ò iV
Discussion
6.

For a liquid-liquid case, what is phase equilibrium ratio?

A. Ratio of mole fractions of species in two phases at equilibrium
B. Ratio of distribution or partition coefficient
C. Ratio of equilibrium constant
D. Ratio of heat of supply
Answer» C. Ratio of equilibrium constant
Discussion
7.

What is the phase equilibrium ratio?

A. Ratio of heat of species in two phases at equilibrium
B. Ratio of temperature of species in two phases at equilibrium
C. Ratio of mole fractions of species in two phases at equilibrium
D. Ratio of equilibrium concentration of species in two phases at equilibrium.
Answer» D. Ratio of equilibrium concentration of species in two phases at equilibrium.
Discussion
8.

The formula for partial fugacity is:

A. F <sub>i</sub> =Cexp(µ <sub>i</sub> /RT)
B. F <sub>i</sub> = Cexp(µ <sub>i</sub> )
C. F <sub>i</sub> =exp(µ <sub>i</sub> )
D. F <sub>i</sub> =C(µ <sub>i</sub> /RT)
Answer» B. F <sub>i</sub> = Cexp(¬¨¬®¬¨¬µ <sub>i</sub> )
Discussion
9.

The chemical potential of a species is:

A. Different in all phases at chemical equilibrium
B. Same in all phases at chemical equilibrium
C. Different in all phases at physical equilibrium
D. Same In all phases at equilibrium
Answer» E.
Discussion
10.

At equilibrium the total Gibb’s free energy for all phases is$

A. Minimum
B. Maximum
C. Infinity
D. Zero
Answer» B. Maximum
Discussion
11.

How is the distribution among two or more phases at equilibrium determined by?

A. Application of entropy
B. Application of Newton’s laws of motion
C. Application of Gibbs free energy
D. Application of force
Answer» D. Application of force
Discussion