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To prevent the entry of surface contamination into a well is the purpose of: a. The well casing b. The louvers or slots c. Well development d. The sanitary seal - ANSWER-d) The Sanitary Seal Pure water will exhibit a pH value of? a. 0.0 b. 7.0 c. 10.5 d. 14.0 - ANSWER-b) 7.0 A pH reading of 6.0 units indicates that the water sample is: a. Very acidic b. Slightly alkaline c. Very alkaline d. Slightly acidic - ANSWER-d) Slightly Acidic In drinking water quality, "TDS" ...

Water Distribution Exam - Additional Sample Questions and Answers 100% Solved A 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? a. 10 minutes b. 15 minutes c. 30 minutes d. 60 minutes - Answer: b. 15 minutes What is the area of a trench that is 22.4 ft long and 3.3 ft wide? a. 26 sq ft b. 74 sq ft c. 143 sq ft d. 187 sq ft - Answer: b. 74 sq ft Which of the following is typi...

Back siphonage - ANSWER backflow due to negative or reduced pressure in water system. occurs during low pressure events such as a line leak Reverse flow caused by a loss of supply pressure Back Pressure - ANSWER Is caused when a potable water system is connected to a non potable supply operating under a higher pressure that pushes contaminated liquid back into the public water system Back Pressure - ANSWER Occurs when the pressure of the connected system exceeds the pressure of the drin...

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What is the federal law that protects public water supplies from harmful contaminants? SDWA Safe Drinking Water Act MCL stands for Maximum Contaminant Level True or False? Primary regulations are mandatory TRUE Secondary regulations are about what 3 things? Taste Odor Color of water True or False? Secondary regulations are mandatory FALSE

Water Distribution Exam 1 2024 Latest Update Back siphonage - ANSWER backflow due to negative or reduced pressure in water system. occurs during low pressure events such as a line leak Reverse flow caused by a loss of supply pressure Back Pressure - ANSWER Is caused when a potable water system is connected to a non potable supply operating under a higher pressure that pushes contaminated liquid back into the public water system Back Pressure - ANSWER Occurs when the pressure of the conn...

IICRC AMRT EXAM QUESTIONS AND ANSWERS S500 (Water) // S520 (Mold) // NY City Guidelines - CORRECT ️️ In general, which remediation guidelines/standards should a remediator be familiar with? S520 Standard for Professional Mold Remediation - CORRECT ️️ The industry standard of care document for mold remediation contractors is...? Condition 1 // Normal or uncontaminated building or items // Indoor environment that may have settled spores, fungal fragments whose identity; location and ...