Cwea Collections Grade 2 Practice Test Questions And Answers Latest Updates

What does "LEL" mean on a gas detection meter? {Ans: Lower explosive limit}When developing an S.O.P. for scheduled maintenance of electrical equipment, what program should be addressed as a primary safety guideline? {Ans: The L.O.T.O. (Lock Out Tag Out) Program}The lack of an unpleasant odor in a structure does not always mean that dangerous gases are not present because: {Ans: Some dangerous gases have no odor}Centrifugal pump parts include a volute, true or false? {Ans: True}What elements should be considered to improve worker safety in High Speed Temporary Traffic Control Zones? {Ans: Rerouting traffic around the work site, positioning of law enforcement officers in the temporary traffic control zone, and work zone training.}A flow of 650 gpm would be how many MGD? {Ans: 650 gpm x (1440 min / 1 day) = 936000 gpd 936000 x (1 MG / 1000000 gal) = 0.936 MGD}Rodents and insects can be controlled by spraying manholes with an approved pesticide, true or false? {Ans: True}After completing a Temporary Traffic Control setup for your work zone it is a good practice to: {Ans: Observe how effective your TTC setup is working to control traffic and make the