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ABC WASTEWATER COLLECTION SYSTEM
OPERATOR III EXAM 2026 ALL QUESTIONS
AND CORRECT DETAILED ANSWERS
ALREADY A GRADED WITH EXPERT
FEEDBACK |NEW AND REVISED
Generally, as an individual progresses upward in management, reliance
on personal technical skill
A. changes to the more complex
B. decreases
C. increases
D. remains the same - ANSWER- B. decreases
Special parts that should be carried by the maintenance worker are
usually listed in the
A. machine blue print
B. machine history record
C. machine manufacturer's manual
D. work order - ANSWER- C. machine manufacturer's manual
How can the supervisor be certain that scheduled maintenance is
completed?
A. ask the workers
B. hire someone to inspect completed work
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C. use a form that compares work assigned with work completed
D. wait and see if there are any failures - ANSWER- C. use a form that
compares work assigned with work completed
Word has just come down from the top that operating funds are being
cut. How should this be handled?
A. cut the supplies and repairs in order to balance the budget
B. fire some of the less-productive old employees
C. keep it quiet and do what you have to do--"The less said the better"
D. let the other personnel know what the situation is and ask for their
help - ANSWER- D. let the other personnel know what the situation is
and ask for their help
One opening has become available which would be an advancement to
any one of three qualified eager employees. How should this situation be
handled?
A. hire an outsider to fill the position
B. pick one and notify all personnel of the change
C. split the work between the three and leave the position open
D. talk to the three as a group, explain the situation and make your
selection, then notify all personnel of the change - ANSWER- D. talk to
the three as a group, explain the situation and make your selection, then
notify all personnel of the change
One of the employees in your crew complains about having to do a hard
job. The proper thing to do is
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A. explain that all employees must do their fair share of the hard work as
well
B. give the easier tasks
C. ignore the complaint
D. promise that the next assignments will be easier ones
E. tell the employee to shut up and work or quit and go home -
ANSWER- A. explain that all employees must do their fair share of the
hard work as well
Occasionally some of the people on a work crew will indulge in active
horseplay. This should be
A. discouraged because some of the workers might not like it
B. encourage because it promotes good fellowship
C. permitted as it is a form of relaxation
D. stopped immediately because it is likely to cause an accident -
ANSWER- D. stopped immediately because it is likely to cause an
accident
The gas most commonly associated with fresh wastewater is
A. carbon dioxide
B. carbon monoxide
C. hydrogen sulfide
D. oxygen - ANSWER- D. oxygen
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The electrical disconnect for a pumping station motor can trip out under
which one(s) of the following possibilities?
A. clogged pump inlet
B. low temperature
C. strike by lightning
D. worn packing - ANSWER- C. strike by lightning
One of the electric motors in the facility has overheated and caught fire.
Select the correct sequence of steps you would take.
1. extinguish fire
2. test
3. repair
4. shut off power
5. remove tags and locks
6. ascertain cause
7. tag and lock out power
A. 1, 2, 6, 4, 7, 3, 5
B. 1, 4, 6, 7, 2, 3, 5
C. 4, 1, 7, 6, 3, 5, 2
D. 4, 6, 1, 7, 3, 5, 2 - ANSWER- C. 4, 1, 7, 6, 3, 5, 2
Pipe materials that are the least susceptible to corrosion by acids formed
from gases generated in sewers are
A. ACP
ABC WASTEWATER COLLECTION SYSTEM
OPERATOR III EXAM 2026 ALL QUESTIONS
AND CORRECT DETAILED ANSWERS
ALREADY A GRADED WITH EXPERT
FEEDBACK |NEW AND REVISED
Generally, as an individual progresses upward in management, reliance
on personal technical skill
A. changes to the more complex
B. decreases
C. increases
D. remains the same - ANSWER- B. decreases
Special parts that should be carried by the maintenance worker are
usually listed in the
A. machine blue print
B. machine history record
C. machine manufacturer's manual
D. work order - ANSWER- C. machine manufacturer's manual
How can the supervisor be certain that scheduled maintenance is
completed?
A. ask the workers
B. hire someone to inspect completed work
,2|Page
C. use a form that compares work assigned with work completed
D. wait and see if there are any failures - ANSWER- C. use a form that
compares work assigned with work completed
Word has just come down from the top that operating funds are being
cut. How should this be handled?
A. cut the supplies and repairs in order to balance the budget
B. fire some of the less-productive old employees
C. keep it quiet and do what you have to do--"The less said the better"
D. let the other personnel know what the situation is and ask for their
help - ANSWER- D. let the other personnel know what the situation is
and ask for their help
One opening has become available which would be an advancement to
any one of three qualified eager employees. How should this situation be
handled?
A. hire an outsider to fill the position
B. pick one and notify all personnel of the change
C. split the work between the three and leave the position open
D. talk to the three as a group, explain the situation and make your
selection, then notify all personnel of the change - ANSWER- D. talk to
the three as a group, explain the situation and make your selection, then
notify all personnel of the change
One of the employees in your crew complains about having to do a hard
job. The proper thing to do is
,3|Page
A. explain that all employees must do their fair share of the hard work as
well
B. give the easier tasks
C. ignore the complaint
D. promise that the next assignments will be easier ones
E. tell the employee to shut up and work or quit and go home -
ANSWER- A. explain that all employees must do their fair share of the
hard work as well
Occasionally some of the people on a work crew will indulge in active
horseplay. This should be
A. discouraged because some of the workers might not like it
B. encourage because it promotes good fellowship
C. permitted as it is a form of relaxation
D. stopped immediately because it is likely to cause an accident -
ANSWER- D. stopped immediately because it is likely to cause an
accident
The gas most commonly associated with fresh wastewater is
A. carbon dioxide
B. carbon monoxide
C. hydrogen sulfide
D. oxygen - ANSWER- D. oxygen
, 4|Page
The electrical disconnect for a pumping station motor can trip out under
which one(s) of the following possibilities?
A. clogged pump inlet
B. low temperature
C. strike by lightning
D. worn packing - ANSWER- C. strike by lightning
One of the electric motors in the facility has overheated and caught fire.
Select the correct sequence of steps you would take.
1. extinguish fire
2. test
3. repair
4. shut off power
5. remove tags and locks
6. ascertain cause
7. tag and lock out power
A. 1, 2, 6, 4, 7, 3, 5
B. 1, 4, 6, 7, 2, 3, 5
C. 4, 1, 7, 6, 3, 5, 2
D. 4, 6, 1, 7, 3, 5, 2 - ANSWER- C. 4, 1, 7, 6, 3, 5, 2
Pipe materials that are the least susceptible to corrosion by acids formed
from gases generated in sewers are
A. ACP
