

MCQOPTIONS
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This section includes 12 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. |
Drying can take place by which of the following processes? |
A. | Radiation |
B. | Conduction |
C. | Convection |
D. | By any one or all the means simultaneously |
Answer» E. | |
2. |
Dryers particularly heat the feed by ____________ |
A. | Direct methods |
B. | Indirect methods |
C. | Indirectly or Directly-heated. |
D. | Direct Fire contact |
Answer» D. Direct Fire contact | |
3. |
___________ drying would be chosen whenever large number of product have to be handled in the same unit. |
A. | Rotary dryer |
B. | Drum dryer |
C. | Continuous |
D. | Batch |
Answer» E. | |
4. |
___________ drying would be chosen whenever the production rate is small (under 200 kg/hr). |
A. | Rotary dryer |
B. | Drum dryer |
C. | Continuous |
D. | Batch |
Answer» E. | |
5. |
A _____________ dryer will require less labour, fuel and floor space than a __________ dryer of the same capacity. |
A. | Continuous, Batch |
B. | Batch, continuous |
C. | Packed, batch |
D. | Batch, packed |
Answer» B. Batch, continuous | |
6. |
Which one of the following is not a type of continuous drying method? |
A. | Circulated band dryer |
B. | Vibrated-band dryer |
C. | Fluidised Bed |
D. | Suction-drum dryer |
Answer» D. Suction-drum dryer | |
7. |
Drying methods can be classified as two processes, they are? |
A. | Batch and Continuous |
B. | Free falling and closed |
C. | Free and forced convection |
D. | Nucleate and non-nucleate heating |
Answer» B. Free falling and closed | |
8. |
Which one of the following is not a method of conveyance of feed? |
A. | Closed heap |
B. | Through-circulated heap |
C. | Cross-circulated layers on trays |
D. | Fluidized heap |
Answer» B. Through-circulated heap | |
9. |
Handling of awkward materials like loose fibres, which can tangle together, and very wet sticky feeds can be done by considering which one of the following factor? |
A. | The method of material conveyance through the drying section |
B. | The pressure and temperature of operation |
C. | Humidity of the atmosphere |
D. | The method of heating the material |
Answer» B. The pressure and temperature of operation | |
10. |
The method of conveyance of the feed through the dryer is not very important as a particular operation setup can handle all types of feed. |
A. | True |
B. | False |
Answer» C. | |
11. |
There are three principal factors that define the nature of a dryer, which one of the following is not? |
A. | The method of material conveyance through the drying section |
B. | The pressure and temperature of operation |
C. | Humidity of the atmosphere |
D. | The method of heating the material |
Answer» D. The method of heating the material | |
12. |
A dryer is an equipment used to remove ___________ |
A. | Salt |
B. | Moisture |
C. | Fluids |
D. | Entrapped gases |
Answer» C. Fluids | |