

MCQOPTIONS
Saved Bookmarks
This section includes 6 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. |
After critical moisture content _________ starts. |
A. | Saturated drying region |
B. | Unsaturated drying region |
C. | Constant drying region |
D. | None of the mentioned |
Answer» C. Constant drying region | |
2. |
If the dry spot appears in the substance in the batch drying curve at ___________ |
A. | Critical moisture content |
B. | Equilibrium moisture content |
C. | Bound moisture |
D. | Unbound moisture |
Answer» B. Equilibrium moisture content | |
3. |
The value of _________ remains constant while drying if speed and direction of gas flow never change. |
A. | Mass transfer co-efficient |
B. | Humidity |
C. | Moisture |
D. | None of the mentioned |
Answer» B. Humidity | |
4. |
Find the gas phase mass transfer co-efficient for a unbound moisture to remove if the flux is 5 kg/sq.m sec and the difference in humidity of the liquid and the main stream is 0.5 units. |
A. | 5 |
B. | 10 |
C. | 20 |
D. | 30 |
Answer» C. 20 | |
5. |
The other part than the constant rate period in the Batch- Drying curve is falling rate period. |
A. | True |
B. | False |
Answer» B. False | |
6. |
Calculate the flux (kg/sq.m sec) if
|
A. | 0.4 |
B. | 0.6 |
C. | 0.8 |
D. | 0.9 |
Answer» D. 0.9 | |