MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
The equilibrium concentrations in the gas and the liquid phases, in mole fraction, give rise to a curve known as |
| A. | Equilibrium distribution curve |
| B. | Equilibrium concentration curve |
| C. | Differential distribution curve |
| D. | Differential concentration curve |
| Answer» B. Equilibrium concentration curve | |
| 2. |
Find the x & y co-ordinate in the figure below at steady state. Here, the gas phase and liquid phase mole fraction representation is given below |
| A. | x- distance & y- concentration |
| B. | x-time & y- concentration |
| C. | x-concentration & y- time |
| D. | x-concentration & y-distance |
| Answer» B. x-time & y- concentration | |
| 3. |
The equilibrium concentrations in the gas and the liquid phases, in mole fraction, give rise to a curve known a? |
| A. | Equilibrium distribution curve |
| B. | Equilibrium concentration curve |
| C. | Differential distribution curve |
| D. | Differential concentration curve |
| Answer» B. Equilibrium concentration curve | |
| 4. |
At the Interphase, the Interphase concentration of the component in both phase phases have equal chemical potential is due to differential concentration. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
According to Lewis and Whitman theory, the departure from concentration equilibrium at the Interphase is due to |
| A. | Low mass transfer rates |
| B. | High mass transfer rates |
| C. | Moderate mass transfer rate |
| D. | None of the mentioned |
| Answer» C. Moderate mass transfer rate | |
| 6. |
The real driving force of the mass transfer is |
| A. | Chemical potential |
| B. | Physical potential |
| C. | Pressure gradient |
| D. | Concentration gradient |
| Answer» B. Physical potential | |
| 7. |
Consider a steady-state condition; the concentration at any point in the equipment never changes with time. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Diffusion of components between the phases at equilibrium is |
| A. | Zero |
| B. | Infinity |
| C. | Changes continuously |
| D. | Diffusion never occurs |
| Answer» B. Infinity | |
| 9. |
The Concentration of the two phases in a closed system at the Interphase is |
| A. | Changes continuously |
| B. | Never changes |
| C. | Becomes zero |
| D. | Increases till the driving force becomes zero |
| Answer» C. Becomes zero | |