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. |
Which of the following is most impacted by the bulk-density of the biomass as-produced? |
| A. | Calorific value |
| B. | Storage of the fuel after processing |
| C. | Heating value |
| D. | Transportation and fuel storage costs |
| Answer» E. | |
| 2. |
In a bio-chemical process, the solid residue represents ________ present in biomass. |
| A. | the quantity of biodegradable carbon |
| B. | the quantity of biodegradable potassium |
| C. | the quantity of non-biodegradable carbon |
| D. | the quantity of biodegradable sodium |
| Answer» D. the quantity of biodegradable sodium | |
| 3. |
Ash is the residue content is the solid residue after chemical breakdown of biomass. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A biomass feedstock with a high cellulose/hemi-cellulose is needed to produce ethanol. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is fixed carbon content in biomass? |
| A. | The carbon content in biomass |
| B. | The carbon content that is fixed in biomass and cannot be changed |
| C. | The content in biomass that is driven off as gas by heating |
| D. | The mass that remains after the releases of volatile matter on heating the biomass |
| Answer» E. | |
| 6. |
What is the volatile matter in biomass? |
| A. | The content in biomass that remains after heating |
| B. | The content in biomass that is driven off as gas by heating |
| C. | The biomass that is being heated |
| D. | The moisture content in biomass |
| Answer» C. The biomass that is being heated | |
| 7. |
What is calorific value (CV) of a material? |
| A. | Amount of energy content or heat value released by the material when burnt in air |
| B. | Amount of energy content or heat value released by the material when burnt in water |
| C. | Amount of energy content or heat value absorbed by the material when burnt in air |
| D. | Amount of energy content or heat value absorbed by the material when burnt in water |
| Answer» B. Amount of energy content or heat value released by the material when burnt in water | |
| 8. |
Which of the following is a problem for using biomass as a source of energy? |
| A. | Less moisture content in the atmosphere during time of harvesting |
| B. | Low calorific value |
| C. | Low intrinsic silica content |
| D. | High moisture content in the surroundings |
| Answer» E. | |
| 9. |
What is extrinsic moisture content? |
| A. | Moisture content of the material with the moisture content in atmosphere |
| B. | Moisture content of the material without the influence of weather effects |
| C. | Moisture content of the material with the influence of weather effects |
| D. | Moisture content evaporated to the atmosphere |
| Answer» D. Moisture content evaporated to the atmosphere | |
| 10. |
What is intrinsic moisture content in biomass? |
| A. | Moisture content of the material with the moisture content in atmosphere |
| B. | Moisture content of the material without the influence of weather effects |
| C. | Moisture content of the material with the influence of weather effects |
| D. | Moisture content of the material without the moisture content in atmosphere |
| Answer» C. Moisture content of the material with the influence of weather effects | |
| 11. |
What are the two types of moisture content in biomass? |
| A. | Intrinsic and extrinsic |
| B. | Higher heating value and lower heating value |
| C. | Lower heating value and extrinsic |
| D. | Higher heating value and intrinsic |
| Answer» B. Higher heating value and lower heating value | |
| 12. |
Why does burning biomass not add to greenhouse gas emissions? |
| A. | Because it is a clean source |
| B. | Because it absorbs greenhouse gases to burn |
| C. | Because it releases the same amount of greenhouses gas as burning fossil fuel does |
| D. | Because it releases greenhouse gas that was captured and converted into other forms during its growth |
| Answer» E. | |
| 13. |
Hemicellulose is a source of biomass accounting from 20% to 40% by ________ |
| A. | volume |
| B. | moles |
| C. | weight |
| D. | molarity |
| Answer» D. molarity | |
| 14. |
Why is cellulose resistant to hydrolysis? |
| A. | Because it consists of polysaccharides |
| B. | Because it has a crystalline structure |
| C. | Because it is hydrophobic |
| D. | Because it is a polymer |
| Answer» C. Because it is hydrophobic | |
| 15. |
What is cellulose made up of? |
| A. | Polysaccharide |
| B. | Steel |
| C. | Carbon nano fibre |
| D. | Silicon |
| Answer» B. Steel | |