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Questions and Answers
What is the primary purpose of cement in construction?
What is the primary purpose of cement in construction?
- To provide color to the construction material
- To bind sand and gravel together (correct)
- To increase the flexibility of the material
- To create a smooth finish on the surface
Which type of cement sets and becomes adhesive through a chemical reaction with water?
Which type of cement sets and becomes adhesive through a chemical reaction with water?
- Portland cement (correct)
- Calcium silicate based cement
- Non-hydraulic cement
- Lime plaster
What was the chemical process for hydraulic cement found by ancient Romans?
What was the chemical process for hydraulic cement found by ancient Romans?
- Reaction between lime and sand
- Reaction between volcanic ash and water (correct)
- Reaction between lime and carbon dioxide
- Reaction between sand and water
Why is hydraulic cement durable in water and safe from chemical attack?
Why is hydraulic cement durable in water and safe from chemical attack?
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How does non-hydraulic cement set?
How does non-hydraulic cement set?
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