Podcast
Questions and Answers
What are the main components of concrete?
What are the main components of concrete?
- Sand, water, and rocks
- Gravel, water, and cement
- Cement, water, and coarse aggregate (correct)
- Cement, water, and fine aggregate
How has the large carbon footprint of concrete impacted the environment?
How has the large carbon footprint of concrete impacted the environment?
- Decreased global warming effects
- Reduced ecological damage
- Increased CO2 emissions and temperature rise (correct)
- Promoted sustainability
Which statement best describes the relationship between cement production and climate change?
Which statement best describes the relationship between cement production and climate change?
- Cement production has contributed positively to the environment
- Cement production has exacerbated climate change through increased carbon footprint (correct)
- Cement production has reduced global warming effects
- Cement production has no impact on climate change
What is one of the purposes of using agricultural by-products in construction?
What is one of the purposes of using agricultural by-products in construction?
Why are alternative cementitious materials considered in building projects?
Why are alternative cementitious materials considered in building projects?
What material can partially replace cement in making concrete works, according to the text?
What material can partially replace cement in making concrete works, according to the text?
How did the addition of 10% RHA to aerated concrete affect the material?
How did the addition of 10% RHA to aerated concrete affect the material?
Why is it important to carefully consider the RHA to cement ratio when using RHA in concrete mixes?
Why is it important to carefully consider the RHA to cement ratio when using RHA in concrete mixes?
What threat can the impermeable microstructure of rice husk ash help concrete resist?
What threat can the impermeable microstructure of rice husk ash help concrete resist?
What characteristic of coconut shells makes them significant for construction purposes?
What characteristic of coconut shells makes them significant for construction purposes?
