Class D Water Operator Questions and Answers (100% Pass)
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Course
Water License
Institution
Water License
What are some physical characteristics of water?
→ Temperature, turbidity, color, taste, odor
What are some chemical characteristics of water?
→ Hardness, pH, solids, and gases
What is turbidity?
→ the amount of suspended matter, such as clay, silt, organic
matter, and microorganisms i...
For water, 1 mg/L is equal to 1 part per million (ppm) by weight.
→ True
Which two minerals mainly cause hardness in water?
→ Calcium and magnesium
Is hardness more of a problem in groundwater or surface water?
→ Groundwater
Water is considered hard when it exceeds _______.
→ 100 mg/L of calcium carbonate
The pH scale ranges from _____ to _____.
→ 0 to 14
Master01 | September, 2024/2025 | Latest update
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