MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biomass Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Tar is removed by choosing the appropriate catalyst. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is a component of tar? |
| A. | Sodium |
| B. | Benzene |
| C. | Chlorine |
| D. | Nickel |
| Answer» C. Chlorine | |
| 3. |
Which of the following is a problem due to tar formation in gasifiers? |
| A. | Equipment blockages |
| B. | High system efficiency |
| C. | Improved quality of gas |
| D. | Reduction in maintenance |
| Answer» B. High system efficiency | |
| 4. |
Which of the following gasifiers is suitable for integrated gasification combined cycle (IGCC)? |
| A. | Fluidized gasifier |
| B. | Fixed bed gasifier |
| C. | Downdraft gasifier |
| D. | Entrain flow gasifier |
| Answer» E. | |
| 5. |
What are the two types of entrained flow gasifiers? |
| A. | Bubbling fluidized gasifier and dual fluidized gasifier |
| B. | Bubbling fluidized gasifier and top-fed gasifier |
| C. | Top-fed gasifier and side-fed gasifier |
| D. | Side-fed gasifier and dual fluidized gasifier |
| Answer» D. Side-fed gasifier and dual fluidized gasifier | |
| 6. |
Which of the following best indicates the process in a dual fluidized bed gasifier? |
| A. | Combustion reactor pyrolysis reactor |
| B. | Pyrolysis reactor combustion reactor |
| C. | Evaporation reactor condensation reactor |
| D. | Combustion reactor condensation reactor |
| Answer» C. Evaporation reactor condensation reactor | |
| 7. |
The two separate fluidized beds in a dual fluidized bed gasifier are used for pyrolysis and combustion process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Where can the ash and hot gas be separated in a circulating fluidized bed gasifier? |
| A. | Gasifier unit |
| B. | Circulation unit |
| C. | Tornado separator |
| D. | Cyclone separator |
| Answer» E. | |
| 9. |
What are the two main units in a circulating fluidized bed? |
| A. | Bubbling fluidized bed and dual fluidized bed |
| B. | Bubbling fluidized bed and gasifier unit |
| C. | Circulating unit and gasifier unit |
| D. | Circulating unit and dual fluidized bed |
| Answer» D. Circulating unit and dual fluidized bed | |
| 10. |
What is the biomass decomposed to in a bubbly fluidized bed? |
| A. | Producer gas |
| B. | Char and gas products with a low tar percentage |
| C. | Char and gas products with a high tar percentage |
| D. | Char with a low tar percentage |
| Answer» C. Char and gas products with a high tar percentage | |
| 11. |
What is the temperature range in a bubbling fluidized bed? |
| A. | Between 700 and 900 degree Celsius |
| B. | Less than 500 degree Celsius |
| C. | Above 1000 degree Celsius |
| D. | Between 100 and 200 degree Celsius |
| Answer» B. Less than 500 degree Celsius | |
| 12. |
How is the temperature maintained in a bubbling fluidized bed? |
| A. | Biomass |
| B. | Gasification agent |
| C. | A constant ratio of biomass and gasification agent |
| D. | Manipulating the ratio of biomass and gasification agent |
| Answer» E. | |
| 13. |
What are the three types of fluidized gasifiers used? |
| A. | Single fluidized bed, dual fluidized bed and bubbling fluidized bed |
| B. | Straight fluidized bed, dual fluidized bed and bubbling fluidized bed |
| C. | Circulating fluidized bed, dual fluidized bed and bubbling fluidized bed |
| D. | Single fluidized bed, dual fluidized bed and straight fluidized bed |
| Answer» D. Single fluidized bed, dual fluidized bed and straight fluidized bed | |
| 14. |
What ensures consistency of temperature in fluidized gasifier? |
| A. | Gasification agent |
| B. | Air-fluidized bed material |
| C. | Biomass |
| D. | Air non-permeable bed material |
| Answer» C. Biomass | |
| 15. |
What is unique about the gasification agent entering in a fluidized gasifier? |
| A. | Enters from bottom at a relatively fast rate as compared to a fixed bed gasifier |
| B. | Enters from bottom at a relatively slow rate as compared to a fixed bed gasifier |
| C. | Enters from top at a relatively fast rate as compared to a fixed bed gasifier |
| D. | Enters from top at a relatively slow rate as compared to a fixed bed gasifier |
| Answer» B. Enters from bottom at a relatively slow rate as compared to a fixed bed gasifier | |