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10 Cards in this Set
- Front
- Back
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When organic wastes are discharged to receiving water, oxygen is depleted by:
a. algae during the day b. bacteria c. pathogens d. limestone rocks |
b. bacteria
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Hydrogen sulfide gives off an odor similar to:
a. ammonia b. chlorine gas c. rotten eggs d. decayed wood |
c. rotten eggs
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Three diseases potentially carried by wastewater are:
a. mumps, measles, colds b. scarlet fever, pneumonia, hay fever c. typhoid fever, dysentery, chlorea d. tuberculosis, diptheria, chickenpox |
c. typhoid fever, dysentery, chlorea
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Immediate first aid for burns is to:
a. bandage tightly b. apply warm, moist compress c. immerse in warm water d. flood with cold water |
d. flood with cold water
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How much does 7.5g of water weigh in lbs:
a. 50.8lbs b. 62.5lbs c. 75.6lbs d. 77.3lbs |
b. 62.5lbs
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Of the following, which is most likely cause of electric motor failure:
a. dust b. new connection c. no friction d. moisture |
d. moisture
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A pump runs continuously for 24hrs at full speed and delivers 288,000gal. The capacity of the pump is___g/min.
a. 100gpm b. 200gpm c. 1000gpm d. 12,000gpm |
b. 200gpm
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Approximately how many gallons of wastewater would 600ft of 6in pipe hold?
a. 740g b. 880g c. 900g d. 930g |
b. 880g
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Before repairing a pumps electical circuit, which of the following actions should you take:
a. disconnect the circuit breaker, place a red tag and lock out b. post a notice in the break room c. tell all the operators not to activate the circuit d. turn the pump switch to standby |
a. disconnect the circuit breaker, place a red tag and lock out
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A valve that allows water to flow in one direction only is a ___ valve.
a. check b. gate c. globe d. plug |
a. check
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