Cwea collections Grade 1 Questions and Answers 100% Correct (SCORED A+)

Sewer maintenance vehicles are - ANSWER-difficult to maneuver 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 The primary function of an entry supervisor is to - ANSWER-maintain overall saftey of permited confied space operations What should be the alarm set point for oxygen in an atmospheric monitoring/testing device? - ANSWER-19.5% Warning,caution,danger,on a label means - ANSWER-Hazardous MSDS means - ANSWER-Material Data Safety Sheet What is the purpose of the OSHA Hazard Communication SHeet - ANSWER-To make sure employees know about any hazardous chemicals they may contact How can traffic be warned of your presence in the street? - ANSWER-Signs,Cones,Flagman What check should be preformed before driving a vehicle? - ANSWER-Mechanical/Safety Where will collection system operators most likely find black windows Spiders and scorpions. - ANSWER-Manholes Typical safety hazards in collections system operations include - ANSWER-Oxygen defiency