Scaling water - Study guides, Class notes & Summaries

What is physiology correct answers the study of how organisms work e.g. structure and function What are the three design rules for plants and animals correct answers 1. they must obey physical and chemical laws (including scaling)- diffusion, thermodynamics, pH, temp 2. they must meet demands but be economical (with appropriate safety factors) 3. they are constrained by evolutionary history What is the first law of thermodynamics correct answers Energy cannot be created or destroyed ...

AFO (Aquatics Facilitator Operator) Glossary Exam Questions And Answers Acid - ANS A commonly use chemical compound dosed into swimming pools that releases hydrogen ions in water thereby lowering pH Algae - ANS a simple nuisance plant life that colonizes in water under favorable conditions Alkalinity - ANS A measure of the pH-buffering capacity of water Aluminum Sulfate - ANS Alum; a flocculating agent frequently used as a supplement in rapid sand filters only! Ammonia (N...

Acid - ANSWER A commonly use chemical compound dosed into swimming pools that releases hydrogen ions in water thereby lowering pH Algae - ANSWER a simple nuisance plant life that colonizes in water under favorable conditions Alkalinity - ANSWER A measure of the pH-buffering capacity of water Aluminum Sulfate - ANSWER Alum; a flocculating agent frequently used as a supplement in rapid sand filters only! Ammonia (NH3) - ANSWER A chemical compound of hydrogen and nitrogen that combines ...

12 Reasons to shut the pool Correct Answer: 1. Danger to the public 2. chemical readings out of range (chlorine and pH) 3. no pool operator 4. no lifeguard/ CPR certificate 5. bathroom/ drains not working 6. pump not working for more than an hour 7. chlorinator not working 8. flow rate is too low 9. can't see the main drain (deepest part of the pool) 10. water is below the skimmer 11. no phone / landline 12. health inspector not allowed in What is the lifeguard to swimmer ratio?...

Case A 20-year-old Caucasian woman presents to the hospital with a 2-month history of itchiness of her scalp. On examination you note greasy yellowish scales on her scalp and eyebrows. Question What is the most likely diagnosis? A) Hand eczema B) Seborrheic dermatitis C) Atopic dermatitis D) Nummular dermatitis E) Pompholyx - correct answer Correct answer: Seborrheic dermatitis Explanation This patient most probably has seborrheic dermatitis. Itis characterized by greasy scale...

The two most important factors impacting the effectiveness of chlorination are - c. concentration of chlorine and contact time The treatment process that controls corrosion or scaling is known as_______ - b. stabilization Permanganate reactions are highly dependent upon - b. pH It is hardest to kill the organism that causes which one of the following illnesses? a. Cholera b. Typhoid c. Cryptosporidiosis d. Infectious hepatitis - c. Cryptosporidiosis Disinfection of water wells with f...

What substance is abundant in the stratum corneum? - Keratin What are the 3 levels of sanitation? - Sanitation, disinfection, and sterilization When do you renew your license? - September 30th biannually What is pathogenic? - Pus producing dangerous bacteria (harmful) What is aesteatosis? - The dry scaling of the skin, lack of sebum due to extreme cold weather (wind burn) What is absorbic acid that aids in collagen production is also known as what? - Vitamin C What is the lowest form of s...

Certified Pool Operator Study Guide 2024 with 100% Complete Solutions 11 Reasons for Pool Closure - Correct Answer ️️ -1. lifeguard on pool deck 2. Main drain is not clearly, visible from the nearest lifeguard chair 3. Free chlorine, total bromine, ph and cyanic acid readings of pool where otherwise specified under Section 2, B.1 4. Recirculating equipment is not working properly for more than 1 hour 5.Water level is below the skimmers in pools 6. Chemical disinfectant feeder has not...

Which device measures the hydrogen ion activity in a solution? - ANSWER PH Meter What is the purpose of a shaft sleeve in a centrifugal pump? - ANSWER Protects the sleeve from damage What is a nutating disc - ANSWER Type of water meter for small diameter domestic service what will happen to a steel pipe if the water has low PH? - ANSWER Corrode ___________________is a disinfection by product precursor - ANSWER Natural organic matter One of the requirements of the Lead and Copper R...

Adenopathy - Disease of a gland Adrenocorticotropic hormone (ACTH) - This hormone controls production of sex hormones (estrogen in women and testosterone in men) and the production of eggs in women and sperm in men. Secreted by the ANTERIOR PITUITARY GLAND Adventitious - Accidental Aldosterone - This hormone regulates salt, water balance, and blood pressure. Secreted by the ADRENAL GLANDS Allergen - A substance that causes an allergic reaction Amyotrophic Lateral Sclerosis (ALS) - AKA "...