MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
Find the diffusivity of AB in sq.m/sec if N flux of A 5 mol/sq.m sec, concentration difference is 2mol/cu.m and distance is 3 m. |
| A. | 2.5 |
| B. | 5.5 |
| C. | 7.5 |
| D. | 10.5 |
| Answer» D. 10.5 | |
| 2. |
Find the change in concentration for a steady state equimolar counter diffusion if D(AB)= 6 sq.m/sec, the change in distance is 2 m and the N flux of A is 5 mol/sq.m sec. |
| A. | 0.67 |
| B. | 1.67 |
| C. | 2.67 |
| D. | None of the mentioned |
| Answer» C. 2.67 | |
| 3. |
For liquid molecular diffusion of A and B, steady state equimolar counter diffusion the N flux of A is negative of N flux of B. |
| A. | True |
| B. | False |
| Answer» B. False | |