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10 Cards in this Set
- Front
- Back
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Name the Water quality categories? |
Physical biological and chemical. |
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Define physical water quality factors: 5 |
Temperature, taste, odor, color, turbidity |
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Name the biological water quality factors? |
Bacteria presence, sewage, animal waste |
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Name the chemical water quality factors and their maximum acceptable limit. 6 |
Hardness : 80-100mg/l max Iron: 0.3 mg/l max Ph: 6.5-8.5 (acid rain 5.6) Hydrogen sulfide h2s: 0.05 mg/l Sodium: 200 mg/l Bacteria: like ph 6.5-7.5 at 37c Mould thrive at 27-38c |
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What cause water heater scale? |
High hardness |
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What cause nitrate in water? |
Human or animal water contamination |
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What can be added to water with soluble iron to prevent oxidation? |
Polyphosphate |
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How do you measure tds? |
Conductivity |
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How do you call a measure of obstruction of light passed through water? |
Turbidity |
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Have you seen my bra? My shift is coming up at the diner. |
Nope I didn’t. Just look on the countertop in the bathroom under your pile of maybe clothes. |
