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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. |
How did Shell oil company managed to reduce serious gas bypassing in FCC unit? |
| A. | Using plug flow and fluidized bed |
| B. | Reactor and Regenerator |
| C. | Plug flow reactor and tubular reactor |
| D. | Batch reactor and fluidized bed |
| Answer» B. Reactor and Regenerator | |
| 2. |
How can we study and control the size distribution factors which are responsible for improved circulations in FCC? |
| A. | Attrition kinetics and cyclone effectiveness |
| B. | Flow patterns of bubbles |
| C. | Kinetics of catalyst in the regenerator |
| D. | None of the mentioned |
| Answer» B. Flow patterns of bubbles | |
| 3. |
HOW_CAN_WE_STUDY_AND_CONTROL_THE_SIZE_DISTRIBUTION_FACTORS_WHICH_ARE_RESPONSIBLE_FOR_IMPROVED_CIRCULATIONS_IN_FCC??$ |
| A. | Attrition kinetics and cyclone effectiveness |
| B. | Flow patterns of bubbles |
| C. | Kinetics of catalyst in the regenerator |
| D. | None of the mentioned |
| Answer» B. Flow patterns of bubbles | |
| 4. |
How_did_Shell_oil_company_managed_to_reduce_serious_gas_bypassing_in_FCC_unit?$ |
| A. | Using plug flow and fluidized bed |
| B. | Reactor and Regenerator |
| C. | Plug flow reactor and tubular reactor |
| D. | Batch reactor and fluidized bed |
| Answer» B. Reactor and Regenerator | |
| 5. |
What are problems encountered in the fluid catalytic cracking unit? |
| A. | Violent bubbling action |
| B. | Gas by-passing |
| C. | More load on gas cleaning equipments |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
How can we prevent the flat distributor to buckle off under normal stresses, in FCC? |
| A. | Concave plates |
| B. | Convex plates |
| C. | Both concave and convex plates |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
How are the no. of holes decided on the distributor, in the fluid catalytic cracking unit? |
| A. | Pressure drop |
| B. | Height of bed |
| C. | Superficial velocity of gas |
| D. | None of the mentioned |
| Answer» B. Height of bed | |
| 8. |
How is the circulation regulated between the reactor and regenerator in FCC? |
| A. | Plug valves |
| B. | Slide valves |
| C. | Gate valves |
| D. | Piston valves |
| Answer» B. Slide valves | |
| 9. |
What are the two sections of the fluid catalytic cracking process? |
| A. | Reactor and Regenerator |
| B. | Plug flow reactor and tubular reactor |
| C. | Batch reactor and tubular reactor |
| D. | Batch reactor and heat exchanger |
| Answer» B. Plug flow reactor and tubular reactor | |
| 10. |
After the process, the catalyst gets deactivated, how it can ge regenerated? |
| A. | Burning off the carbon in air |
| B. | Replacing the catalyst |
| C. | Using brine solution |
| D. | Using Sulphuric acid |
| Answer» B. Replacing the catalyst | |
| 11. |
In fluid catalytic cracking process, cracking of heavy hydrocarbons into lower hydrocarbons, is an endothermic process, true of false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
In fluid catalytic cracking(FCC) process, how does the heavy hydrocarbon crack into lower molecular compounds? |
| A. | On contact with catalyst |
| B. | By heating at high temperature |
| C. | By pyrolysis process |
| D. | None of the mentioned |
| Answer» B. By heating at high temperature | |