MCQOPTIONS
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MCQOPTIONS
This section includes 24 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. |
It is ________ to find a solvent to separate same functional group. |
| A. | Easy |
| B. | Difficult |
| C. | Impossible |
| D. | Illogical |
| Answer» D. Illogical | |
| 2. |
All the successful solvents are ________liquids. |
| A. | Azeotrope forming |
| B. | Hydrogen bonding |
| C. | Reactive |
| D. | Highly viscous |
| Answer» C. Reactive | |
| 3. |
When x = C(y), where C is? |
| A. | Inverse function |
| B. | Mapping function |
| C. | Entrainment function |
| D. | Flooding Function |
| Answer» B. Mapping function | |
| 4. |
When y = E(x), where E is? |
| A. | Mapping function |
| B. | Entity function |
| C. | Frequency function |
| D. | Phase function |
| Answer» B. Entity function | |
| 5. |
The crucial difference compared to homozeotrope distillation is that, a heteroazeotrope can be separated by? |
| A. | Decantation |
| B. | Depurification |
| C. | Dehydration |
| D. | Decansing |
| Answer» B. Depurification | |
| 6. |
WHEN_X_=_C(Y),_WHERE_C_IS??$ |
| A. | Inverse function |
| B. | Mapping function |
| C. | Entrainment function |
| D. | Flooding Function |
| Answer» B. Mapping function | |
| 7. |
IT_IS__________TO_FIND_A_SOLVENT_TO_SEPARATE_SAME_FUNCTIONAL_GROUP.?$ |
| A. | Easy |
| B. | Difficult |
| C. | Impossible |
| D. | Illogical |
| Answer» D. Illogical | |
| 8. |
WHEN_Y_=_E(X),_WHERE_E_IS??$ |
| A. | Mapping function |
| B. | Entity function |
| C. | Frequency function |
| D. | Phase function |
| Answer» B. Entity function | |
| 9. |
All the successful solvents are ________liquids? |
| A. | Azeotrope forming |
| B. | Hydrogen bonding |
| C. | Reactive |
| D. | Highly viscous |
| Answer» C. Reactive | |
| 10. |
The vapor-liquid equilibrium (VLE) condition which may be expressed as? |
| A. | y = f (S, H, T) |
| B. | y = f (P, T, x) |
| C. | x = f (T, S) |
| D. | y = f (J, S) |
| Answer» C. x = f (T, S) | |
| 11. |
Solvent should not form ________ |
| A. | Hydrogen bond |
| B. | London forces |
| C. | Azeotrope |
| D. | Mixture |
| Answer» D. Mixture | |
| 12. |
Separating a maximum-boiling azeotrope using a light entrainer, this process is referred to as? |
| A. | Re-extractive distillation |
| B. | De-extractive distillation |
| C. | Extractive distillation |
| D. | Boil up distillation |
| Answer» B. De-extractive distillation | |
| 13. |
Which factor does not decide a solvent? |
| A. | Availability |
| B. | Cost |
| C. | Corrosivity |
| D. | Viscosity |
| Answer» E. | |
| 14. |
A greater entrainer flowrate generally, yields better |
| A. | Reflux |
| B. | Boil up |
| C. | Hold up |
| D. | Separation |
| Answer» E. | |
| 15. |
What is the unfortunate point of extractive distillation? |
| A. | Water has low boiling point |
| B. | Water has high boiling point |
| C. | Extractive distillation is costly |
| D. | Extractive distillation is not efficient |
| Answer» B. Water has high boiling point | |
| 16. |
Heteroazeotropic (VLLE) distillation, often referred to as? |
| A. | Azeotropic distillation |
| B. | Exractive distilllaton |
| C. | Batch Ditilation |
| D. | Continous Distillation |
| Answer» B. Exractive distilllaton | |
| 17. |
What is the distillate and bottom in presence of appreciable water? |
| A. | Distillate of methanol and bottoms of acetone |
| B. | Distillate of acetone and bottoms of methanol |
| C. | Distillate of both acetone and methanol |
| D. | Bottoms of both acetone and methanol |
| Answer» C. Distillate of both acetone and methanol | |
| 18. |
Permeate fluxes decrease, significantly with decreasing |
| A. | Reflux ratio |
| B. | Feed Concentrations |
| C. | Boiling point |
| D. | Bubble point |
| Answer» C. Boiling point | |
| 19. |
What happens due to presence of appreciable water? |
| A. | Phase activity coefficient of acetone increases and that of methanol decreases |
| B. | Phase activity coefficient of acetone decreases and that of methanol increases |
| C. | Phase activity coefficient of both methanol and acetone increases |
| D. | Phase activity coefficient of both decreases |
| Answer» B. Phase activity coefficient of acetone decreases and that of methanol increases | |
| 20. |
The residue curves of an n component homogenous mixture is defined by? |
| A. | n-1 ODE |
| B. | n-2 ODE |
| C. | n-3 ODE |
| D. | n ODE |
| Answer» B. n-2 ODE | |
| 21. |
Why is water the preferred solvent for separating acetone and methanol? |
| A. | Because it does not form hydrogen bonding |
| B. | Because it does not react with it |
| C. | Because water is an universal solvent |
| D. | Because water does not form binary or ternary azeotropes with acetone or methanol. |
| Answer» E. | |
| 22. |
Which of the following equations are satisfied at azeotropic conditions? |
| A. | A<sup>v</sup>(v) + A<sup>l</sup>(v) = 0 |
| B. | A<sup>v</sup>(v) – A<sup>l</sup>(v) = 0 |
| C. | A<sup>v</sup>(v). A<sup>l</sup>(v) = 0 |
| D. | A<sup>v</sup>(v) =A<sup>l</sup>(v) |
| Answer» C. A<sup>v</sup>(v). A<sup>l</sup>(v) = 0 | |
| 23. |
If the feed is ______ boiling azeotrope the solvet enters the column with the feed. |
| A. | Maximum |
| B. | Minimum |
| C. | Low |
| D. | High |
| Answer» B. Minimum | |
| 24. |
Which distillation is used to separate azeotropes and close boiling mixtures? |
| A. | Extractive distillation |
| B. | Salt distillation |
| C. | Pressure-swing distillation |
| D. | Reactive distillation |
| Answer» B. Salt distillation | |