CWEA COLLECTIONS SYSTEM
MAINTENANCE GRADE 3 TEST BANK 2026
UPDATED 82 QUESTIONS AND 100%
CORRECT ANSWERS 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 GRADE 3 TEST BANK 2026
UPDATED 82 QUESTIONS AND 100%
CORRECT ANSWERS 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
