CWEA Collections Practice Assessment
Questions and
Answers Verified Solutions Latest
Update
Question:
Legally responsible officials are required to report category 1 sanitary sewer overflows?
A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours.
Answer:
D. Within 2 hours
Question:
When working in confined spaces or sewers, what form of lighting would you use? A.
Mirrors to direct the sunlight or explosion proof lighting. B. Ordinary electric lights C.
Propane, Gas, or kerosene lanterns D. Special matches
Answer:
A. Mirrors to direct the sunlight or explosion proof lighting.
Question:
What can happen if water-based substances are used to extinguish electrical fires? a.
Nothing but extinguish the fire b. The fumes are not harmful c. Receive an electrical
shock d. They will corrode the electrical contacts
Answer:
c. Receive an electrical shock
Question:
When testing a manhole for explosive gases when should the first tests be made? a.
After removing the manhole cover b. Before removing the manhole cover c. At any
time d. After ventilation
Answer:
b. Before removing the manhole cover
,Question:
Atmospheric hazards encountered in manholes can include: a. non-explosive
atmospheres. b. non-toxic atmosphere. c. lack of oxygen. d. non-flammable
atmospheres.
Answer:
c. lack of oxygen.
Question:
When setting up to ventilate a manhole, the air inlet should be how many feet above
street level? a. 4.0 b. 3.0 c. 2.0 d. 1.0
Answer:
c. 2.0
Question:
Which chemical may be used for odor control in a sewer system? a. Calcium chloride b.
Hydrogen peroxide c. Oxidized aluminum d. Sodium chloride
Answer:
b. Hydrogen peroxide
Question:
What information must be on a warning tag attached to a switch that has been locked
out? a. Directions for removing tag. b. Name of nearest physician to call in case of
emergency. c. Signature of person who locked out switch and who is the only person
authorized to remove tag. d. Time to unlock switch.
Answer:
c. Signature of person who locked out switch and who is the only person authorized to
remove tag.
, Question:
Under what conditions must each member of the rescue service practice permit space
rescues? a. At least once a year in a simulated situation or by the satisfactory
performance of an actual rescue. b. At least twice a year in simulated situations. c. At
least once a year in simulated situation using non-representative space conditions d. At
least four times a year.
Answer:
a. At least once a year in a simulated situation or by the satisfactory performance of an
actual rescue.
Question:
How is a permit-required space described? a. Has or may contain atmospheric,
engulfment, design, or other serious health/safety hazard. b. Is large enough to enter
and work in and is meant for continuous occupancy. c. Is large enough to enter and
work in and has an unrestricted entry/exit. d. Never contains an atmospheric or
engulfment hazard.
Answer:
a. Has or may contain atmospheric, engulfment, design, or other serious health/safety
hazard.
Question:
What are the three duties of personnel in a Confined Space entry? a. Authorized
entrants, parking attendants, entry supervisors. b. Unauthorized entrants, attendants,
entry supervisors. c. Authorized entrants, attendants, entry supervisors. d. Authorized
entrants, attendants, evening supervisors
Answer:
c. Authorized entrants, attendants, entry supervisors.
Question:
What is an important element of hydrogen sulfide production? a. Flow velocity. b. Pipe
materials. c. Amount of odor present. d. Amount of inorganic materials.
Answer:
a. Flow velocity.
Questions and
Answers Verified Solutions Latest
Update
Question:
Legally responsible officials are required to report category 1 sanitary sewer overflows?
A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours.
Answer:
D. Within 2 hours
Question:
When working in confined spaces or sewers, what form of lighting would you use? A.
Mirrors to direct the sunlight or explosion proof lighting. B. Ordinary electric lights C.
Propane, Gas, or kerosene lanterns D. Special matches
Answer:
A. Mirrors to direct the sunlight or explosion proof lighting.
Question:
What can happen if water-based substances are used to extinguish electrical fires? a.
Nothing but extinguish the fire b. The fumes are not harmful c. Receive an electrical
shock d. They will corrode the electrical contacts
Answer:
c. Receive an electrical shock
Question:
When testing a manhole for explosive gases when should the first tests be made? a.
After removing the manhole cover b. Before removing the manhole cover c. At any
time d. After ventilation
Answer:
b. Before removing the manhole cover
,Question:
Atmospheric hazards encountered in manholes can include: a. non-explosive
atmospheres. b. non-toxic atmosphere. c. lack of oxygen. d. non-flammable
atmospheres.
Answer:
c. lack of oxygen.
Question:
When setting up to ventilate a manhole, the air inlet should be how many feet above
street level? a. 4.0 b. 3.0 c. 2.0 d. 1.0
Answer:
c. 2.0
Question:
Which chemical may be used for odor control in a sewer system? a. Calcium chloride b.
Hydrogen peroxide c. Oxidized aluminum d. Sodium chloride
Answer:
b. Hydrogen peroxide
Question:
What information must be on a warning tag attached to a switch that has been locked
out? a. Directions for removing tag. b. Name of nearest physician to call in case of
emergency. c. Signature of person who locked out switch and who is the only person
authorized to remove tag. d. Time to unlock switch.
Answer:
c. Signature of person who locked out switch and who is the only person authorized to
remove tag.
, Question:
Under what conditions must each member of the rescue service practice permit space
rescues? a. At least once a year in a simulated situation or by the satisfactory
performance of an actual rescue. b. At least twice a year in simulated situations. c. At
least once a year in simulated situation using non-representative space conditions d. At
least four times a year.
Answer:
a. At least once a year in a simulated situation or by the satisfactory performance of an
actual rescue.
Question:
How is a permit-required space described? a. Has or may contain atmospheric,
engulfment, design, or other serious health/safety hazard. b. Is large enough to enter
and work in and is meant for continuous occupancy. c. Is large enough to enter and
work in and has an unrestricted entry/exit. d. Never contains an atmospheric or
engulfment hazard.
Answer:
a. Has or may contain atmospheric, engulfment, design, or other serious health/safety
hazard.
Question:
What are the three duties of personnel in a Confined Space entry? a. Authorized
entrants, parking attendants, entry supervisors. b. Unauthorized entrants, attendants,
entry supervisors. c. Authorized entrants, attendants, entry supervisors. d. Authorized
entrants, attendants, evening supervisors
Answer:
c. Authorized entrants, attendants, entry supervisors.
Question:
What is an important element of hydrogen sulfide production? a. Flow velocity. b. Pipe
materials. c. Amount of odor present. d. Amount of inorganic materials.
Answer:
a. Flow velocity.
