Sewer maintenance vehicles are Correct Answer: difficult to maneuver
At low concentrations, hydrogen sulfide smells like Correct Answer: Rotten Eggs
which safety hazard in a collection system operations can be detected by an insturment? Correct Answer: Toxic Gases
What must be checked f...
Cwea collections Grade 1| 28 QUESTIONS
Sewer maintenance vehicles are Correct Answer: difficult to maneuver
At low concentrations, hydrogen sulfide smells like Correct Answer: Rotten Eggs
which safety hazard in a collection system operations can be detected by an insturment? Correct
Answer: Toxic Gases
What must be checked first before entering a manhole? Correct Answer: Proper barricades or
warning devices around manhole.
When should field crews use signs and cones? Correct Answer: When over half the street is
blocked.
The different zones of traffic control include Correct Answer: buffer
Elements of defensive driving include Correct Answer: having your vehicle under control
The primary function of an entry supervisor is to Correct Answer: maintain overall saftey of
permited confied space operations
What should be the alarm set point for oxygen in an atmospheric monitoring/testing device?
Correct Answer: 19.5%
Warning,caution,danger,on a label means Correct Answer: Hazardous
MSDS means Correct Answer: Material Data Safety Sheet
What is the purpose of the OSHA Hazard Communication SHeet Correct Answer: To make sure
employees know about any hazardous chemicals they may contact
How can traffic be warned of your presence in the street? Correct Answer:
Signs,Cones,Flagman
What check should be preformed before driving a vehicle? Correct Answer: Mechanical/Safety
Where will collection system operators most likely find black windows Spiders and scorpions.
Correct Answer: Manholes
Typical safety hazards in collections system operations include Correct Answer: Oxygen
defiency
You have an air compressor and you have been instructed to compact the backfill in a trench.
Which of the following is the best tool to use? Correct Answer: Tamper
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