CWEA COLLECTION SYSTEMS
MAINTENANCE TEST BANK 2026
COMPREHENSIVE QUESTIONS AND
SOLUTIONS GRADED A+
● At low concentrations, hydrogen sulfide smells like. Answer: Rotten
Eggs
● which safety hazard in a collection system operations can be detected
by an insturment?. Answer: Toxic Gases
● What must be checked first before entering a manhole?. Answer:
Proper barricades or warning devices around manhole.
● When should field crews use signs and cones?. Answer: When over
half the street is blocked.
● The different zones of traffic control include. Answer: buffer
● Elements of defensive driving include. Answer: having your vehicle
under control
MAINTENANCE TEST BANK 2026
COMPREHENSIVE QUESTIONS AND
SOLUTIONS GRADED A+
● At low concentrations, hydrogen sulfide smells like. Answer: Rotten
Eggs
● which safety hazard in a collection system operations can be detected
by an insturment?. Answer: Toxic Gases
● What must be checked first before entering a manhole?. Answer:
Proper barricades or warning devices around manhole.
● When should field crews use signs and cones?. Answer: When over
half the street is blocked.
● The different zones of traffic control include. Answer: buffer
● Elements of defensive driving include. Answer: having your vehicle
under control
