Water Treatment Grade 4 exam prep already passed

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Water Treatment Grade 4 exam prep already passed which disinfectant would work best against Cryptosporidium Ozone The pH of a Water sample Is greater than the PHs so the Langlier index indicates ... the water is scale forming When water high in calcium bicarbonate is softened by ion exchange Sodium Bicarbonate remains in the product water A bypass valve would be used with a gate valve Where ground frost is expected the riser pipes in a meter pit should be atleast how far away from any wall of the meter box to prevent freezing 1-2 inches which type of pipe joint is available in both bolted and bolt less flexible pipe joint designs Ball and Socket Joint which type of pipe joint permits flexible pipe alignment is inexpensive to manufacture and is easy to assemble push on joint new polyvinyl chloride pipe has a c-value of about 150+ which type of valve would be particularly useful for throttling the flow of corrosive liquids pinch valve Water meter pits are usually used in cold climates fuel oil will permeate which type of pipe polyethylene pipe An ion exchange softener is treating a flow rate of 125 gpm. what is the operating time in hours if the softener unit treats 297000 gallons before it requires regeneration? 39.6 hr in describing pump operation what type of curve shows the relationship between power and capacity P-Q curve What is Head Loss energy used by water when moving from point to point Static Suction Lift Difference in water placement What is Power Work done in a given time if a water system collects at least 40 samples per month for the analyses of total coliforms, what percentage of total coliform samples are acceptable for the system to remain in compliance with the maximum contaminant level for total coliforms no more than 5% water systems are required to achieve at least________ removal and or inactivation of viruses between a point where the raw water is not subject to recontamination by surface water runoff and a point downstream before or at the first customer. 4 log where are the sampling points located for required samplings of organics (except THMs) in a community water system entry points to the distribution system where are the sampling points located for required sampling of natural radionuclides in a community water system each entry point to the system continuous chlorine residual monitoring is required [Show More]

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