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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Mass Transfer knowledge and support exam preparation. Choose a topic below to get started.
1. |
Guess the exact relation between the vapour phase mole fraction and relative volatility. |
A. | y= A*x/(1+x(A+1)) |
B. | y= A*x/(1-x(A-1)) |
C. | y= A*x/(1+x(A-1)) |
D. | y= A*x/(1-x(A+1)) |
Answer» D. y= A*x/(1-x(A+1)) | |
2. |
Consider an ideal vapour-liquid binary mixture, find the total pressure if the vapour pressure of A is 260 mmHg and the vapour pressure of B is 520 mmHg and the composition of A in mole fraction is 0.55. |
A. | 177 mmHg |
B. | 277 mmHg |
C. | 377 mmHg |
D. | 477 mmHg |
Answer» D. 477 mmHg | |
3. |
Find the vapour pressure of component A in an ideal mixture, if its liquid composition and the partial pressure is 0.65 and 260 mmHg. |
A. | 260 mmHg |
B. | 400 mmHg |
C. | 760 mmHg |
D. | Cannot determine |
Answer» C. 760 mmHg | |
4. |
The possibility of separation will be more if the separation factor is greater than 1. |
A. | True |
B. | False |
Answer» B. False | |
5. |
The component A and B has the same boiling point. Can the separation is done by ordinary separation? |
A. | True |
B. | False |
Answer» C. | |
6. |
If the gas phase composition of a component A is 0.65 and its relative volatility is 2. Find the liquid phase composition. |
A. | 0.48 |
B. | 0.58 |
C. | 0.68 |
D. | 0.78 |
Answer» B. 0.58 | |
7. |
In a solution (A and B); The vapour pressure of A is 260 mmHg and B is 360 mmHg; Find the relative volatility? |
A. | 0.72 |
B. | 1.38 |
C. | 2 |
D. | None of the mentioned |
Answer» B. 1.38 | |
8. |
No further process required for _____________ |
A. | Absorption |
B. | Extraction |
C. | Distillation |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
9. |
Distillation is possible only if the solution components are_____________ |
A. | Volatile |
B. | Non-volatile |
C. | Cryogenic |
D. | None of the mentioned |
Answer» B. Non-volatile | |
10. |
Consider a sugar solution[ Sugar + Water]; On vaporization water only evaporate since sugar is________ |
A. | Volatile |
B. | Non-Volatile |
C. | Cryogenic |
D. | None of the mentioned |
Answer» C. Cryogenic | |
11. |
A new phase is given for the separation by distillation. |
A. | True |
B. | False |
Answer» C. | |