Cwea collections Grade 1 Questions With 100% Correct Answers!!

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? - AnswerToxic 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,FlagmanWhat 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 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? - Answer-Tamper Which type of shovel do collection system technologist use - Answer-Grit Shovel What type of saw is used to cut asphalt? - Answer-Diamond bladed or toothed power saw Googles, earplugs, and glove are needed when using a - Answer-Power Grinder What type of equipment should be used to excavate a broken sewer pipe? - Answer-Backhoe What is a mechanical means to dislodge material from a sewer? - Answer-Scraping The formula for calculating the volume of a wet well is - Answer-V=W*L*H Tasks preformed by a collection system operator includes: - Answer-Maintaining collection system equipment One cubic food per second flow is equal to - Answer-26,928 Gallons To properly operate a power rodder - Answer-Make sure all the torque is out of it before handling. The diameter of a wet well is 10 feet. If filled to a depth of 10 feet, it will contain approximately - Answer-Show Work = 5,872 GallonsWhat is an orifice plate? - Answer-A plate with a small hole in it to restrict the flow.