MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Fluidization Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a fluidized bed reactor, what is the best way to achieve maximum heat and mass transfer rates? |
| A. | Using small particles |
| B. | Using large particles |
| C. | Simply dumping the particle and passing gas will do the job |
| D. | Increasing the gas flow rates |
| Answer» B. Using large particles | |
| 2. |
What is the mesh range of particles required in the fluidized bed for best efficiency? |
| A. | 1-10 mesh |
| B. | 5-50 mesh |
| C. | 50-100 mesh |
| D. | 20-200 mesh |
| Answer» E. | |
| 3. |
In pneumatic transport, explain the importance of the classification of solids before its application has been started? |
| A. | Any kind of solids range can be transported |
| B. | Only Geldart A and B particles can be transported |
| C. | Only Geldart C and D particles can be transported |
| D. | Only Geldart A and D particles can be transported |
| Answer» C. Only Geldart C and D particles can be transported | |
| 4. |
In a fluidized bed reactor, for a specific gas flow rate, any kind of Geldart type particles can be used. True of False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
There is a missing part in the fluidized bed construction shown in figure.1, state the required equipment and if any replacement for that part and possible explanation? |
| A. | Cyclone separators and if possible filter bags |
| B. | Diagram is not missing any part |
| C. | Pressure gauge and if possible vacuum pump |
| D. | Thermostat only |
| Answer» B. Diagram is not missing any part | |
| 6. |
In case of naphtha cracking, use of batch type is better than circulation type fluidized bed? |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is the advantage of fluidized bed over spouted bed and teeter bed in the drying process? |
| A. | Presence of distributor |
| B. | Reactor sizes |
| C. | Presence of cyclone separators |
| D. | None of the mentioned |
| Answer» B. Reactor sizes | |
| 8. |
What is the maximum range of superficial gas velocity when the TDH of the bed is 0.25m to prevent eluitrition in a circular type fluidized bed reactor? |
| A. | 0.1-5 m/sec |
| B. | 1.5-12 m/sec |
| C. | 12-24 m/sec |
| D. | 5-5.5 m/sec |
| Answer» B. 1.5-12 m/sec | |
| 9. |
What is the best combination of fluidized bed for fluid catalytic cracking? |
| A. | Spouted and teeter bed |
| B. | Teeter and one pass for solids bed |
| C. | Batch type and spouted bed |
| D. | Batch type and circulation bed |
| Answer» E. | |
| 10. |
What is the most important factor to be considered for designing a fluidized bed reactor? |
| A. | Diameter of reactor |
| B. | Height of reactor |
| C. | Size distribution of solids |
| D. | Gas flow rate |
| Answer» D. Gas flow rate | |