Biomass Energy

When animals and plants are rotten in the absence of air, there produces a gas called

• oxygen

• carbondioxide

• biogas

• Methane

Which of the following is not a biomass resource?

• Animal wastes

• Forestry residue

• Agricultural residue

• Sunlight

The main product of a gasification process is the syngas. What are the main components of a syngas?

• Carbon monoxide and hydrogen gas

• Carbon dioxide and hydrogen gas

• Carbon monoxide and hydrogen sulfide gas

• Carbon dioxide and hydrogen sulfide gas

Pick out the odd one from fixed bed gasifier?

• Underdraft gasifier

• Downdraft gasifier

• Updraft gasifier

• Crossdraft gasifier

Which of the following best indicates photosynthesis?

• Carbon dioxide + water → oxygen + glucose

• 6CO2 + 6H2O → C6H12O6 + 6O2 (in the presence of sunlight)

• Carbon dioxide + water → glucose + oxygen (in the presence of sunlight)

• Oxygen + glucose → carbon dioxide + water

What is biomass?

• Organic materials from non-living organisms

• Inorganic materials from living organisms

• Organic materials from living organisms

• Inorganic materials from non-living organisms

Which of the following is not used as food for humans?

• Sugars

• Glucose

• Fats

• Cellulosic matter

Microalgae also can be used for pyrolysis process.

• True

• False

What is the main product of carbonization?

• Charcoal

• Bio-oil

• Alcohols

• Gaseous products

Hot water or steam carrying geothermal energy often comes up to surface in

• New Zealand

• Ice land

• Germany

• Both a and b