CWEA Collections System Maintenance Grade 3 Exam Questions With Verified Answers.
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Course
CWEA
Institution
CWEA
CWEA Collections System Maintenance
Grade 3 Exam Questions With Verified
Answers.
A Flagger should Stand?
A. On the shoulder adjacent to traffic being controlled
B. In the closed lane before stopping vehicle traffic
C. In the traffic lane.
D. As stated in "A" or "B" above. - answerD. As stat...
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.
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.
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