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Questions and Answers
What are the main components of concrete?
What are the main components of concrete?
- Cement, water, steel, aggregates
- Cement, water, sand, aggregates (correct)
- Lime, iron, silica, alumina
- Steel, water, sand, aggregates
What percentage of the concrete volume do aggregates generally occupy?
What percentage of the concrete volume do aggregates generally occupy?
- 40% to 55%
- 80% to 90%
- 25% to 35%
- 60% to 75% (correct)
Which compound is not a main raw material in the production of Portland cement?
Which compound is not a main raw material in the production of Portland cement?
- Alumina (Al2O3)
- Lime (CaO)
- Silica (SiO2)
- Iron (Fe2O3) (correct)
What are the stages in the kiln system for burning raw materials in Portland cement production?
What are the stages in the kiln system for burning raw materials in Portland cement production?
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What is the primary component in cement paste?
What is the primary component in cement paste?
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