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3.1. Preliminary Analysis
This section
Practice test
12 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
2 cards from this lesson. Good the night before a test.
Try these first
- 1.
What does TDS stand for?
Hint
Think about what is measured in water quality.
- 2.
Name one visible parameter for water quality screening.
Hint
Recall the acronym COT.
- 3.
What is the primary purpose of water quality screening?
- To provide detailed chemical analysis
- To offer a quick
- preliminary assessment
- To disinfect water
Hint
Consider the time factor in assessments.
- 4.
True or False: TSS refers to substances that are dissolved in water.
- True
- False
Hint
Recall how particles behave in water.
- 5.
You have two water samples; one is clear and the other is brown and cloudy. Describe how you would test each sample for safety.
Hint
Consider the visible parameters first, then move to measurable ones.
- 6.
Propose steps to clean a water source with high TDS. What methods would be effective?
Hint
Think about common water purification methods.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting