Cwea collections Grade 1 Already Passed

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Cwea collections Grade 1 Already Passed Sewer maintenance vehicles are ✔✔difficult to maneuver At low concentrations, hydrogen sulfide smells like ✔✔Rotten Eggs which safety hazard in a co ... llection system operations can be detected by an insturment? ✔✔Toxic Gases What must be checked first before entering a manhole? ✔✔Proper barricades or warning devices around manhole. When should field crews use signs and cones? ✔✔When over half the street is blocked. The different zones of traffic control include ✔✔buffer Elements of defensive driving include ✔✔having your vehicle under control The primary function of an entry supervisor is to ✔✔maintain overall saftey of permited confied space operations What should be the alarm set point for oxygen in an atmospheric monitoring/testing device? ✔✔19.5% Warning,caution,danger,on a label means ✔✔Hazardous MSDS means ✔✔Material Data Safety Sheet What is the purpose of the OSHA Hazard Communication SHeet ✔✔To make sure employees know about any hazardous chemicals they may contact How can traffic be warned of your presence in the street? ✔✔Signs,Cones,Flagman What check should be preformed before driving a vehicle? ✔✔Mechanical/Safety Where will collection system operators most likely find black windows Spiders and scorpions. ✔✔Manholes Typical safety hazards in collections system operations include ✔✔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? ✔✔Tamper Which type of shovel do collection system technologist use ✔✔Grit Shovel What type of saw is used to cut asphalt? ✔✔Diamond bladed or toothed power saw Googles, earplugs, and glove are needed when using a ✔✔Power Grinder What type of equipment should be used to excavate a broken sewer pipe? ✔✔Backhoe What is a mechanical means to dislodge material from a sewer? ✔✔Scraping The formula for calculating the volume of a wet well is ✔✔V=W*L*H Tasks preformed by a collection system operator includes: ✔✔Maintaining collection system equipment One cubic food per second flow is equal to ✔✔26,928 Gallons To properly operate a power rodder ✔✔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 ✔✔Show Work = 5,872 Gallons What is an orifice plate? ✔✔A plate with a small hole in it to restrict the flow. [Show More]

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