MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which gas is used for fluidizing the material on the distributor? |
| A. | Steam |
| B. | Air |
| C. | Carbon dioxide |
| D. | None of the mentioned |
| Answer» B. Air | |
| 2. |
If the temperature for gasification is maintained about 500 degree Celsius, then activation of charcoal is not take place, true of false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
IF_THE_TEMPERATURE_FOR_GASIFICATION_IS_MAINTAINED_ABOUT_500_DEGREE_CELSIUS,_THEN_ACTIVATION_OF_CHARCOAL_IS_NOT_TAKE_PLACE,_TRUE_OF_FALSE??$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which_gas_is_used_for_fluidizing_the_material_on_the_distributor?$ |
| A. | Steam |
| B. | Air |
| C. | Carbon dioxide |
| D. | None of the mentioned |
| Answer» B. Air | |
| 5. |
What are raw materials used for charcoal during its gasification? |
| A. | Wood |
| B. | Peanut shells |
| C. | Pulverized coal |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
What is injected in the combustion chamber at the bottom of fluidized bed? |
| A. | Steam |
| B. | Air |
| C. | Recycled steam |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
In place of two-stage fluidized bed, is there possibility of increasing its stages? |
| A. | Yes |
| B. | No |
| C. | Depending on economy |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
How much percentage the density of solids drop during gasification? |
| A. | 1 to 5% |
| B. | 5 to 10% |
| C. | 15 to 20% |
| D. | 25 to 30% |
| Answer» D. 25 to 30% | |
| 9. |
In order to help recover heat for the endothermic gasification reaction by secondary combustion of CO and hydrogen, the fluidized bed must have? |
| A. | Multiple stages |
| B. | Single stage |
| C. | Two fluidized beds in series |
| D. | None of the mentioned |
| Answer» B. Single stage | |
| 10. |
The fluidized bed utilized for this operation is multi-stage, true or false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
In order to activate charcoal, what are the gases used? |
| A. | Steam and carbon dioxide |
| B. | Steam and oxygen |
| C. | Oxygen and carbon dioxide |
| D. | Steam and water vapour |
| Answer» B. Steam and oxygen | |
| 12. |
What is the low-temperature range maintained to activate charcoal? |
| A. | 100-200 Celsius |
| B. | 400-500 Celsius |
| C. | 800-900 Celsius |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |