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3 cards from this section. Quick, good the night before a test.
What should be the pH level of water used in concrete mixes?
Recall the acceptable range for the best quality.
What is potable water?
Think about what kind of water is safe to drink.
What quality must water used in concrete meet?
Think about the difference between safe and unsafe water.
True or False: Water with a pH level outside 6 to 8 can negatively impact concrete?
Consider what happens during concrete curing.
You are tasked with preparing concrete for a new highway. During testing, you find the water source has a pH of 5.5 and contains chlorides. Propose solutions for ensuring the concrete quality.
What processes can help purify water?
You have two water sources: Source A has pH 7 but contains sulfates, while Source B has pH 8 and is free from harmful impurities. Which source would you choose for mixing concrete and why?
Consider the long-term effects on concrete integrity.
5 more questions in this section. Enroll free to practise them all.
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