Biomass Conversion Technologies: A Comprehensive Guide for BSc Students

Question 1

What is the primary product of gasification?

Accepted Answer

Syngas

Answer

Electricity

Answer

Heat

Answer

Biochar

Question 2

What is the main purpose of a condenser in a biomass gasification system?

Accepted Answer

To cool and condense the syngas

Answer

To remove impurities from the syngas

Answer

To increase the pressure of the syngas

Answer

To separate the syngas from the char

Question 3

What is a primary advantage of using biomass as a renewable energy source?

Accepted Answer

It can be used to generate multiple forms of energy.

Answer

It is a finite resource.

Answer

It emits no greenhouse gases.

Answer

It is easy to store and transport.

Question 4

What is the primary goal of biomass pretreatment?

Accepted Answer

To improve the efficiency of the conversion process

Answer

To reduce the emissions of the conversion process

Answer

To increase the storage life of the biomass

Answer

To decrease the cost of the conversion process

Question 5

Which of the following technologies is NOT used in biomass conversion?

Accepted Answer

Hydrolysis

Answer

Combustion

Answer

Gasification

Answer

Anaerobic digestion

Question 6

Which type of biomass conversion technology is primarily used for generating electricity?

Accepted Answer

Combustion

Answer

Gasification

Answer

Anaerobic digestion

Answer

Pyrolysis

Question 7

What is the main product of anaerobic digestion of biomass?

Accepted Answer

Biogas

Answer

Syngas

Answer

Bio-oil

Answer

Solid biofuel

Question 8

Which factor is most important in determining the efficiency of a biomass conversion system?

Accepted Answer

Conversion technology

Answer

Type of feedstock

Answer

Moisture content

Answer

Operating temperature

Question 9

What is the role of a catalyst in biomass gasification?

Accepted Answer

To increase reaction rate

Answer

To improve product quality

Answer

To reduce emissions

Answer

To lower operating temperature

Question 10

Which technology converts biomass into a combustible gas?

Accepted Answer

Gasification

Answer

Combustion

Answer

Anaerobic digestion

Answer

Pyrolysis

Question 11

What is the main by-product of anaerobic digestion?

Accepted Answer

Methane

Answer

Electricity

Answer

Heat

Answer

Carbon dioxide

Question 12

In biomass conversion, why is prioritizing sustainability crucial when selecting feedstocks?

Accepted Answer

Minimize environmental impacts and preserve resources

Answer

Maximize energy yield without considering environmental consequences

Answer

Focus solely on economic profitability

Answer

Comply with regulations without considering broader environmental and social benefits

Question 13

Which of the following is **not** considered a biomass conversion technology?

Accepted Answer

Solar photovoltaic

Answer

Combustion

Answer

Anaerobic digestion

Answer

Gasification

Question 14

Which biomass conversion technology is primarily used for generating electricity at a large scale?

Accepted Answer

Combustion

Answer

Anaerobic digestion

Answer

Gasification

Answer

Pyrolysis

Question 15

In anaerobic digestion of biomass, what is the primary gas produced?

Accepted Answer

Biogas

Answer

Syngas

Answer

Ethanol

Answer

Biodiesel

Question 16

What is the primary objective of pre-treating biomass before conversion?

Accepted Answer

Improve conversion efficiency

Answer

Increase biomass density

Answer

Enhance storage stability

Answer

Reduce safety risks

Question 17

Which of the following is a potential environmental concern associated with biomass combustion?

Accepted Answer

Particulate matter emissions

Answer

Water pollution

Answer

Land use change

Answer

Noise pollution

Question 18

What is the primary function of a catalyst in biomass gasification?

Accepted Answer

Promote chemical reactions

Answer

Control temperature

Answer

Produce oxygen

Answer

Absorb heat