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10 Cards in this Set
- Front
- Back
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Wastewater is the Same thing as:
A. Rain B. Soil C. Sewage D. Salesmanship |
A. Rain
B. Soil C. Sewage |
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What Does an Operator Do ?
A. Collect Samples B. Lubricate Equiptment C. Record Data D. All of the Above |
D. All of the Above
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Who employs treatment plant operators ?
A. Cities B. Sanitation Districts C. Industries D. All of the Above |
D. All of the Above
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How did many Receiving waters become polluted?
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Receiving waters became polluted by lack of public concern for the impact of waste discharges and by discharging wastewater into receiving water beyond its natural purification capacity
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Why must municipal and industrial wastewaters receive adequate treatment?
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Municipal and Industrial wastewaters must receive adequate treatment to protect receiving waters
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Why is it important that the operator be present during the construction of a new plant?
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The operator should be present during the construction of a new plant in order to become familiar with the plant before the operator begins operating it.
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How does the operator become involved in public relations?
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The operator becomes involved in public relations by explaining the purpose and operation of the plant to visitors, civic organizations, school classes, news reporters, and city or district representatives.
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Several of the following contain significant quantities of organic material. Which are they?
A. Domestic Wastewater B. Cooling water from thermal power stations C. Paper mill waste D. Metal plating waste E. Tanning waste |
A. Domestic Wastewater
C. Paper mill waste E. Tanning waste |
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How does water pick up dissolved substances?
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Water picks up dissolved substances as it falls as rain, flows over over land, and is used for domestic, industrial, agricultural, and recreational purposes.
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What are some of the dissolved substances in water?
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Some of the dissolved substances in water include hydrogen, oxygen, calcium, carbon, magnesium, sodium, iron, nitrogen, phosphorus, and organic material.
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