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2 cards from this section. Quick, good the night before a test.
What is potable water?
Think about what type of water you drink.
Why is the water-cement ratio important?
Consider how different mixtures change concrete properties.
What qualifies as potable water for RMC production?
Consider the sources of drinking water.
True or False: The water-cement ratio can be adjusted as needed without consequence.
Reflect on how mixtures work in concrete.
A construction site receives a water delivery that has not been tested. What steps should be taken to ensure the water is safe for use in RMC?
Think about what professionals check for in construction.
If a project specifies a water-cement ratio of 0.45 for a concrete mix, how much water is needed for 200 kg of cement?
Apply the formula for water-cement ratio to solve.
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