MCQOPTIONS
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MCQOPTIONS
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 | |
| 2. |
At equilibrium the total Gibb’s free energy for all phases is |
| A. | Minimum |
| B. | Maximum |
| C. | Infinity |
| D. | Zero |
| Answer» B. Maximum | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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. | |
| 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> ) | |
| 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. | |
| 10. |
At equilibrium the total Gibb’s free energy for all phases is$ |
| A. | Minimum |
| B. | Maximum |
| C. | Infinity |
| D. | Zero |
| Answer» B. Maximum | |
| 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 | |