

MCQOPTIONS
Saved Bookmarks
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the name of the following dryer? |
A. | Drum dryer |
B. | Pan – dryer |
C. | Agitated vacuum dryer |
D. | Furnace dryer |
Answer» B. Pan – dryer | |
2. |
Which one of the following batch-drying equipment has the least drying time/ residence time? |
A. | Drum dryer |
B. | Pan – dryer |
C. | Agitated vacuum dryer |
D. | Furnace dryer |
Answer» D. Furnace dryer | |
3. |
Which one of the following batch-drying equipment can also be used as a crystallizer by passing cold liquid? |
A. | Drum dryer |
B. | Pan – dryer |
C. | Agitated dryer |
D. | Furnace dryer |
Answer» C. Agitated dryer | |
4. |
The atmospheric __________ has a jacketed round pan in which a stirrer or mill revolves slowly, driven from below. |
A. | Drum dryer |
B. | Pan – dryer |
C. | Agitated dryer |
D. | Furnace dryer |
Answer» C. Agitated dryer | |
5. |
____________ involves the sublimation of water from ice under high vacuum at temperatures well below 0°C. |
A. | Freeze-drying |
B. | Flash drying |
C. | Furnace drying |
D. | Ice drying |
Answer» B. Flash drying | |
6. |
Which one of the following is not a batch dryer? |
A. | Agitated vacuum dryer |
B. | Tray dryer |
C. | Rotary dryer |
D. | Pan dryer |
Answer» D. Pan dryer | |
7. |
Agitated vacuum dryers are a subcategory of/ can be referred to as _____________ |
A. | Batch – Type Dryers |
B. | Continuous Dryers |
C. | Drum Dryers |
D. | Plate – type dryers |
Answer» B. Continuous Dryers | |
8. |
Dryers heated by dielectric, radiant or microwave energy are _______________ |
A. | Adiabatic |
B. | Non-Adiabatic |
C. | Isobaric |
D. | Isothermal |
Answer» C. Isobaric | |
9. |
The moisture contents of solid when it is in equilibrium with given partial pressure of vapour in gas phase is called as _____________ |
A. | Equilibrium moisture content |
B. | Fixed moisture |
C. | Free moisture |
D. | Total Moisture |
Answer» B. Fixed moisture | |
10. |
During drying, only __________ can be evaporated, which depends upon the vapour concentration in the gas. |
A. | Bound moisture |
B. | Fixed moisture |
C. | Free moisture |
D. | Total Moisture |
Answer» D. Total Moisture | |
11. |
The moisture content of solid in excess of the equilibrium moisture content is referred as _______ |
A. | Bound moisture |
B. | Free moisture |
C. | Moisture |
D. | Total Moisture |
Answer» C. Moisture | |
12. |
Moisture content of the solid which exerts an equilibrium vapour pressure equal to that of pure liquid at the given temperature is the ____________ |
A. | Bound moisture |
B. | Unbound moisture |
C. | Moisture |
D. | Total Moisture |
Answer» C. Moisture | |
13. |
Moisture content of a substance which exerts as equilibrium vapour pressure less than of the pure liquid at the same temperature is referred to as _________ |
A. | Bound moisture |
B. | Unbound moisture |
C. | Moisture |
D. | Total Moisture |
Answer» B. Unbound moisture | |