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CWEA COLLECTON SYSTEM
MAINTAINANACE GRADE 3 Newest
2026-2027 Exam Questions And Expert
Verified Answers Already Graded A+
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.
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.
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.
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.
Which of the following is the most common factor leading to the
generation of hydrogen sulfide in sewers? a. Anaerobic
conditions.
b. Constantly high velocity of flow in sewers.
c. Low concentrations of ferrous sulfide.
d. Presence of highly soluble fats and oils. - ANSWER ->a. Anaerobic
conditions.
A category 2 SSO is:
a. any SSO which does not reach surface waters.
b. not reportable.
CWEA COLLECTON SYSTEM
MAINTAINANACE GRADE 3 Newest
2026-2027 Exam Questions And Expert
Verified Answers Already Graded A+
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.
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.
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.
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.
Which of the following is the most common factor leading to the
generation of hydrogen sulfide in sewers? a. Anaerobic
conditions.
b. Constantly high velocity of flow in sewers.
c. Low concentrations of ferrous sulfide.
d. Presence of highly soluble fats and oils. - ANSWER ->a. Anaerobic
conditions.
A category 2 SSO is:
a. any SSO which does not reach surface waters.
b. not reportable.
