Practice Common Impurities Found In Water (6.3) - Water

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9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What are suspended solids?
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Focus on what remains in water after filtering.
Question 2.
Name one effect of organic matter in water.
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Think about how it affects concrete setting.
3Question 3.
What includes clay, silt, and organic matter?
- Dissolved Solids
- Suspended Solids
- Organic Matter
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Remember the types of particles in water.
4Question 4.
True or False: High levels of organic matter improve concrete strength.
- True
- False
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Think about how it affects hydration.
Question 5.
Analyze a scenario where seawater is used in concrete mixing. Discuss the long-term effects.
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Consider the effects of salt on metals.
Question 6.
You have water with a high TDS of 3000 mg/L. Propose a treatment solution before using it for concrete mixing.
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Look for methods to effectively filter out dissolved solids.

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