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12 Cards in this Set
- Front
- Back
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Effluent means "over flow". True or False |
False |
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Effluent means "out flow" True or False |
True |
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List two methods currently employed to dispose of hazardous liquids A. B. |
A. Deep well injection B. Total burning |
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Chemical emulsions can be removed by: A) Additives B) Gravity C) Settling D) All of the above E) Centrifugal action
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D) All of the above |
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Settling ponds are used to remove: A) Dissolved gases B) Very fine colloidal particles C) Floating pollutants D) Suspended particulate matter E) Emulsions
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D) Suspended particulate matter |
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Hazardous material is not a problem unless: A) It is noticed by operating personnel B) It is present in the ecosystem C) It is present in the environment D) A loss of control is experienced E) A loss of product is experienced
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D) A loss of control is experienced |
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The pH of industrial effluent can be controlled by the: A) Use of settling ponds B) Addition of an alkaline C) Addition of water D) Addition of an acid or an alkaline as required E) Addition of an acid
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D) Addition of an acid or an alkaline as required |
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Hazardous liquids should be handled according to information supplied on: A) Plant operation manuals B) General safety reports C) Occupational Health and Safety Regulations D) Material Safety Data Sheets E) Progress reports
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D) Material Safety Data Sheets |
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Coagulants are substances used to: A) Remove small particles from water B) Remove phosphate and nitrates from water C) Remove dissolved solids from water D) Control the pH of effluent water E) Remove grease from water
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A) Remove small particles from water |
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The best way to dispose of hazardous liquids is to: A) Incinerate them at high temperature B) Inject them down deep wells C) Encase them and bury them underground D) Encase them and bury then at sea E) Put them in a landfill |
A) Incinerate them at high temperature |
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A common test to determine pollution in water is the BOD test. BOD stands for: A) Biochemical oxygen demand B) Biodegradable oxygen demand C) Body oxygen demand D) Biographic oxygen demand E) Biological oxygen demand |
A) Biochemical oxygen demand |
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The rate which a fluid progresses from a spilled area is governed by its: A) Weight B) pH C) Viscosity D) Density E) Thickness
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C) Viscosity |
