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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. |
Convert 5 kg of moisture /kg of dry solid to wet basis. |
A. | 3/6 |
B. | 4/6 |
C. | 5/6 |
D. | 1 |
Answer» D. 1 | |
2. |
The name of the curve between relative humidity and moisture content is equilibrium moisture curve. |
A. | True |
B. | False |
Answer» B. False | |
3. |
The substance like food stuff, pharma products are dried by _______ drying. |
A. | Direct |
B. | Indirect |
C. | Freeze |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
4. |
The method of drying by conduction through materials are done by _________ |
A. | Direct driers |
B. | Indirect driers |
C. | Tray driers |
D. | None of the mentioned |
Answer» C. Tray driers | |
5. |
The moisture which can be evaporated is bound moisture. |
A. | True |
B. | False |
Answer» C. | |
6. |
The substance moisture exerts equilibrium vapour pressure equals to vapour pressure of liquid is ________ |
A. | Bound moisture |
B. | Unbound moisture |
C. | Equilibrium moisture |
D. | None of the mentioned |
Answer» C. Equilibrium moisture | |
7. |
If the equilibrium vapour pressure is lower than pure liquid pressure then the moisture content is ___________ |
A. | Bound moisture |
B. | Unbound moisture |
C. | Equilibrium moisture |
D. | None of the mentioned |
Answer» B. Unbound moisture | |
8. |
Convert 80% of moisture in wet basis to dry basis ( kg water/kg dry solid) |
A. | 4 |
B. | 8 |
C. | 12 |
D. | 16 |
Answer» B. 8 | |
9. |
Find the moisture to be evaporated per kg of dried product if initial and final moisture content per kg of dry solid is 85% and 15%. |
A. | 0.5 |
B. | 0.6 |
C. | 0.7 |
D. | 0.8 |
Answer» D. 0.8 | |