Chlorination Study guides, Revision notes & Summaries

REHS Exam - Wastewater Treatment Questions and Answers 100% CorrectREHS Exam - Wastewater Treatment Questions and Answers 100% CorrectREHS Exam - Wastewater Treatment Questions and Answers 100% CorrectREHS Exam - Wastewater Treatment Questions and Answers 100% Correct What are the treatment processes in PRELIMINARY Wastewater Treatment? - ANSWER-Screening Comminution Grit Removal Pre-Aeration Flow Metering / Sampling What are the treatment processes in PRIMARY Wastewater Treatment? - ANS...

In Texas, water operator licensing is administer by the? - Answer-TCEQ Which minerals cause hardness in water - Answer-magnesium and calciumT the most importan federal law impacting the water utility industry is - Answer-Safe Drinking Water Act The four water quality standards established for drinking water in the Safe Drinking Water Act are chemical, bacteriological,radiological and - Answer-chemical, bacteriological,radiological and physical. The minimue allowable pressure in the d...

Water Distribution Chapter 1 Questions and Answers 100% Correct Water Distribution Chapter 1 Questions and Answers 100% Correct Water Distribution Chapter 1 Questions and Answers 100% Correct Water Distribution Chapter 1 Questions and Answers 100% Correct Chlorination is the most common means of disinfection used today to protect the public's health - ANSWER-True As water mains and reservoirs become older, they require less and less maintenance. - ANSWER-False Routine wate...

CHES Exam Practice Questions and Answers (Graded A)CHES Exam Practice Questions and Answers (Graded A)CHES Exam Practice Questions and Answers (Graded A)CHES Exam Practice Questions and Answers (Graded A) have a discussion period - ANSWER-The HESis concerned about the misuse of alcohol and medication among older adults in the community and plans a program to asses needs, identify resources, and educate staff and older adults about the dangers of misuse and programs to assist in more responsible...

Certified Pool Operator Final Exam 2024 Expected Questions and Answers (Verified Answers) whole range chlorine in a pool: ____ to _____ - ANSWERS 1, 5 ideal range chlorine in a pool: ____ to _____ - ANSWERS 2, 4 whole range chlorine in a spa: ____ to _____ - ANSWERS 2, 10 ideal range chlorine in a spa: ____ to _____ - ANSWERS 3, 5 4 types of solid chlorine - ANSWERS calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine - ANSWERS sodium hypochlorite (NaOCl) ...

CA REHS Pools 2 Tests for Chlorine Levels - correct answer 1. Orthotuludene- Ortho Test 2. Diethyl Phenylene Diamine- DPD Natural Bathing Place - correct answer Not man-made body of water Lakes, ponds, rivers, ocean beaches Problems Associated with Bathing Places - correct answer Unsanitary surroundings, pollution, water contamination Pool: adequate filtration and chlorination prevent spreading of disease Gastrointestinal disturbances, typhoid, dysentery, leptospirosis, ringworm, o...

If you could choose only one of the following to improve the health of the greatest number of people of all ages, which would you choose? a. Vaccinations b. Chlorination of the water supply c. Antibiotics d. Antivirals e. Mosquito control - correct answer b. Chlorination of the water supply Nearly all living organisms are in symbiotic relationships with other organisms is a consequence of which of the following? a. animal and plant cells require endosymbionts to generate energy b. ...

% recirc from gutters/skimmers - correct answer 60% Indirect or direct connection to water supply - correct answer indirect how does deck and pool water drain to sewer - correct answer air gap public pool chlorination - correct answer automatic chlorinator Bacterial disease - correct answer Staphylococcal streptococcal trachoma salmonella leptospira pseudomonas legionella shigella mycobacterium campylobacter E. coli viral disease - correct answer Enterovirus ...

% recirc from gutters/skimmers correct answer: 60% Indirect or direct connection to water supply correct answer: indirect how does deck and pool water drain to sewer correct answer: air gap public pool chlorination correct answer: automatic chlorinator Bacterial disease correct answer: Staphylococcal streptococcal trachoma salmonella leptospira pseudomonas legionella shigella mycobacterium campylobacter E. coli viral disease correct answer: Enterovirus Norwalk He...

A noisy or vibrating valve may be an indication of what? - Cavitation The selective destruction or inactivation of pathogenic organisms is - Disinfection Pathogenic organisms can be removed from water, killed, or inactivated by - Filtration The most commonly used distribution system disinfection is - Free chlorine A greenish- yellow gas with a penetrating and distinctive odor, two and a half times heavier than air is - Chlorine A brief session to discuss aspects of a job and safety - Tailg...