Cwea collections Grade 1 Quiz with complete solution

Cwea collections Grade 1 Quiz with complete solution 1. Sewer maintenance vehicles are: difficult to maneuver 2. At low concentrations, hydrogen sulfide smells like: Rotten Eggs 3. which safety hazard in a collection system operations can be detected by an insturment?: Toxic Gases 4. What must be checked first before entering a manhole?: Proper barricades or warning devices around manhole. 5. When should field crews use signs and cones?: When over half the street is blocked. 6. The different zones of traffic control include: buffer 7. Elements of defensive driving include: having your vehicle under control 8. The primary function of an entry supervisor is to: maintain overall saftey of permited confied space operations 9. What should be the alarm set point for oxygen in an atmospheric monitor- ing/testing device?: 19.5% 10. Warning,caution,danger,on a label means: Hazardous 11. MSDS means: Material Data Safety Sheet 12. What is the purpose of the OSHA Hazard Communication SHeet: To make sure employees know about any hazardous chemicals they may contact 13. How can traffic be warned of your presence in the street?: - Signs,Cones,Flagman 14. What check should be preformed before driving a vehicle?: Mechani- cal/Safety 15. Where will collection system operators most likely find black windows Spiders and scorpions.: Manholes 16. Typical safety hazards in collections system operations include: Oxygen defiency 17. 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?: Tamper 18. Which type of shovel do collection system technologist use: Grit Shovel 19. What type of saw is used to cut asphalt?: Diamond bladed or toothed power saw 20. Googles, earplugs, and glove are needed when using a: Power Grinder