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3 cards from this section. Quick, good the night before a test.
What is the water-cement ratio?
Think about how water and cement work together in concrete.
Why is it important to use clean water for mixing concrete?
Consider what might happen if dirt or chemicals were mixed in.
What does the water-cement ratio indicate in a concrete mix?
This ratio determines how much water you mix with cement.
True or False: Using contaminated water is acceptable in concrete mixes as long as the ratio is correct.
Think about what could happen to the concrete if impurities are present.
You are tasked with designing a concrete mix for a new high-rise building. Describe how you would determine the appropriate water-cement ratio for your mix.
Think about how local regulations might impact your decision.
Design an analytical method to assess the purity of water intended for concrete mixing. What parameters will you check, and why?
Consider the factors that could decrease the quality of concrete.
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