REHS Past Test Questions with 100% Correct Answers | Latest Version 2024 | Verified

Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range - b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and structures inside c. By breaking bonds and poisoning the cell - b. By attacking lipids in cell walls and destroying enzymes and structures inside When chlorine is added to water, what is formed? a. Hypochlorous acid and hypochlorite ion b. Hypochlorite acid and hypochlorite ion c. Hypochloric acid and hypochlorite ion - a. Hypochlorous acid and hypochlorite ion What two acids are formed when you add liquefied chlorine gas (Cl2) to water? a. Hypochlorite acid and hydrochloric acid b. Hypochlorous acid and hydrochloric acid c. Hypochloric acid and hydrochloric acid - b. Hypochlorous acid (HOCL) and hydrochloric acid (HCl) What cause pH to jump?a. Low alkalinity, precipitation, algae growth b. High alkalinity, precipitation, algae growth c. Low alkalinity, high calcium hardness, algae growth - a. Low alkalinity, precipitation, algae growth What do you add to lower pH?