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SUPER WW STUDY EXAM; 100 QUESTIONS AND VERIFIED ANSWERS
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SUPER WW STUDY EXAM; 100QUESTIONS AND VERIFIED
ANSWERS
When organic wastes are discharged to receiving water, oxygen is
depleted by:
a. algae during the day
b. bacteria
c. pathogens
d. limestone rocks - ANSWER b. bacteria
Hydrogen sulfide gives off an odour similar to:
a. ammonia
b. chlorine gas
c. rotten eggs
d. decayed wood - ANSWER c. rotten eggs
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 - ANSWER c. typhoid fever,
dysentery, chlorea
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 - ANSWER d. flood with cold water
How much does 7.5g of water weigh in lbs:
,a. 50.8lbs
b. 62.5lbs
c. 75.6lbs
d. 77.3lbs - ANSWER b. 62.5lbs
Of the following, which is most likely cause of electric motor failure:
a. dust
b. new connection
c. no friction
d. moisture - ANSWER d. moisture
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 - ANSWER b. 200gpm
Approximately how many gallons of wastewater would 600ft of 6in pipe
hold?
a. 740g
b. 880g
c. 900g
d. 930g - ANSWER b. 880g
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 - ANSWER a. disconnect the circuit
breaker, place a red tag and lock out
, A valve that allows water to flow in one direction only is a ___ valve.
a. check
b. gate
c. globe
d. plug - ANSWER a. check
Centrifugal pump parts include:
a. diaphragm
b. impeller
c. piston
d. rotor - ANSWER b. impeller
What mixed liquor characteristics indicate a healthy activated sludge
process?
a. black color and a strong, unpleasant odor
b. brown color, frothy appearance, and musty odor
c. brown color and thick, dark brown foam
d. light tan and light fluffy foam - ANSWER b. brown color, frothy
appearance, and musty odor
Which of the following forms of plant life is necessary for the proper
functioning of a stabilization or oxidation pond:
a. algae
b. cattails
c. water lillies
d. weeds - ANSWER a. algae
Chlorine gas is:
a. colorless
b. heavier than air
c. nontoxic
d. odorless - ANSWER b. heavier than air
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