10 Questions
What are the main components of concrete?
Cement, water, and coarse aggregate
How has the large carbon footprint of concrete impacted the environment?
Increased CO2 emissions and temperature rise
Which statement best describes the relationship between cement production and climate change?
Cement production has exacerbated climate change through increased carbon footprint
What is one of the purposes of using agricultural by-products in construction?
To replace some of the cement needed in concrete production
Why are alternative cementitious materials considered in building projects?
To reduce the environmental impact of cement production
What material can partially replace cement in making concrete works, according to the text?
Rice husk ash
How did the addition of 10% RHA to aerated concrete affect the material?
Improved strength and durability
Why is it important to carefully consider the RHA to cement ratio when using RHA in concrete mixes?
To maintain workability
What threat can the impermeable microstructure of rice husk ash help concrete resist?
Sulfate attack
What characteristic of coconut shells makes them significant for construction purposes?
Exceptional strength and modulus
Test your knowledge on the composition and environmental impact of concrete, the most commonly used material in construction projects. Learn about the components of concrete and its role in modern building projects.
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