12 Questions
What is concrete?
An artificial, stonelike building material made by mixing cement and various mineral aggregates with sufficient water.
What is portland cement named after?
Isle of Portland, England
What does tricalcium silicate constitute in portland cement?
Half the volume
What is the function of tricalcium aluminate in portland cement?
Initial setting of the cement
Which raw material is NOT listed as a component used to make concrete?
Copper ore
What is the difference between concrete and portland cement?
Composition
What is the purpose of adding gypsum to clinker?
To slow down the setting time
Which type of portland cement is used when resistance to moderate sulfate action is required?
Type II
What distinguishes Type III portland cement from other types?
Fast curing and early strength gain
When is Type IV portland cement typically used?
In the construction of massive concrete structures
What is the defining characteristic of air-entraining portland cement?
Addition of an air-entraining agent
Why is white portland cement used in precast concrete work?
To counteract iron oxide and manganese oxide
Learn about concrete, an artificial building material made by mixing cement, mineral aggregates, and water. This quiz covers the differences between concrete and cement, as well as the process of making concrete.
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