When chlorine is added to - Study guides, Class notes & Summaries

calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine sodium hypochlorite (NaOCl) how active is gas chlorine 100% the active killing form of chlorine in water hypochlorous acid (HOCl) HOCl = ______ H+ (hydrogen ion) + OCl- (hypochlorite ion) most common granular chlorine (pH range) calcium hypochlorite (8.5 - 11, used to super chlorinate water) not common form of chlorine due to low active strength (pH) lithium hypochlorite (10.8) tablet/stick chlori...

To be a pool operator you must - ANSWER-Complete a pool operator training course To prevent spinal injury - ANSWER-All of the above The strong suction in the pool (ENTRAPMENT) is the - ANSWER-Main Drain Electrical systems in the pool must have - ANSWER-GFIs (Ground Fault Circuit Interrupters?) The skimmer _____ prevents floating debris from re-entering the pool - ANSWER-WEIR What is filtration? - ANSWER-Physical process of water moving through the system What is the turnover ra...

Which of the following properties or processes do we associate with living things? A) evolutionary adaptations B) energy processing C) responding to the environment D) growth and reproduction E) all of the above - Answer-e The lowest level of biological organization that can perform all the activities required for life is the A) organelle-for example, a chloroplast. B) cell-for example, a skin cell. C) tissue-for example, nervous tissue. D) organ system-for example, the reproductive s...

B Test Material - TCEQ Class B Surface Water Exam Review Questions And Answers What is the most important factor affecting the useful life of service lines? - ANS-It is the ability of the material to resist internal and external corrosion When does Suction Head exist? - ANS-Suction head exists when the source of supply is above the centerline of the pump. What is Net positive Suction Head (NPSH) - ANS-NPSH is the pressure under which water enters the eye of the impeller in a centrifug...

CHM 1032 Final Exam Review Questions & Answers 2024/2025 A 35−g sample of potassium completely reacts with chlorine to form 67 g of potassium chloride. How many grams of chlorine must have reacted? - ANSWERS32 How much heat must be absorbed by 125 g of ethanol to change its temperature from 21.5 ∘C to 34.8 ∘C? - ANSWERS4.02kJ An unknown metal is suspected to be gold. When 2.8 J of heat are added to 5.6 g of the metal, its temperature rises by 3.9 ∘C. Are these data consist...

Pool Operator's Final Exam Questions with Verified Answers The percentage of hypoclorous acid formation is most influenced by: pH Pool painting is usually done: Before opening in the spring When a pool is chlorinated with gas chlorine, the operator must also use: Soda Ash The term "chlorine demand" refers to: The amount of chlorine which will react with substances in the pool Re-circulation pumps used in swimming pools are the type called: Centrifugal pumps Reversing the...

Water Treatment Plant Operator Exam Questions With Answers Latest Updated 2024/2025 (Graded A+) What is used as a chemical coagulant? - Answer Alum The correct order of treatment in a surface water plant is... - Answer Coagulation, Flocculation, Sedimentation and Filtration In determining the proper dosage of alum, the most useful test is the____________ test. - Answer Jar If sludge is not continually removed from the sedimentation basin, its accumulation results in? - Answer Turbidity Th...

program for writing reports: - word processor mechanical seal advantage: - lasts longer pump is just back from the shop and pulls high amps, what is the likely cause: - packing too tight change in the discharge head of the pump: - increases flow why does an engine driven blower need to be started under no pressure? - may damage fans belt press water is shiny and the sludge sticks: - lower polymer dosage and adjust belt speed what is a Chain of custody? - time of collection unti...

CPO Exam Questions and Answers with Complete Solutions Which of the following factors should you consider when choosing a disinfectant Chemical safety and storage space When a chlorine compound is introduced to water, what does the chemical reaction form? hypochlorous acid What is the main difference between organic and inorganic chlorine compounds? Organic chlorine contains cyanuric acid For formed (solid) accidents, pool operators should use the following procedure: Maintain ...

The percentage of hypochlorous acid formation is most influenced by: (Ans- pH Pool painting is usually done: (Ans- Before opening in the spring When a pool is chlorinated with gas chlorine, the operator must also use: (Ans- Soda Ash The term "chlorine demand" refers to: (Ans- The amount of chlorine which will react with substances in the pool Re-circulation pumps used in swimming pools are the type called: (Ans- Centrifugal pumps Reversing the flow of water through the fil...