Backwash Study guides, Class notes & Summaries

Coastline correct answers The where the land meets the sea Fetch * correct answers The distance over which the wind can blow What does a large fetch cause? correct answers powerful waves What does a small fetch cause? correct answers less powerful waves Prevailing wind correct answers The direction the usual wind comes from What is the prevailing wind in the UK? correct answers In the UK, the prevailing wind is southwesterly, the wind blows, uninterrupted from central America acro...

A commonly use chemical compound dosed into swimming pools that releases hydrogen ions in water thereby lowering pH : Acid a simple nuisance plant life that colonizes in water under favorable conditions : Algae A measure of the pH-buffering capacity of water : Alkalinity Alum; a flocculating agent frequently used as a supplement in rapid sand filters only! 2 | P a g e : Aluminum Sulfate A chemical compound of hydrogen and nitrogen that combines with free chlorine in pools to form ch...

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: 2 | P a g e : Centrifugal pumps Reversing the flow of water through the filters is called: : ...

Chapter 03: The Alimentary Canal: Digestion and Absorption Stegeman: The Dental Hygienist’s Guide to Nutritional Care, 5th Edition MULTIPLE CHOICE 1. Each is a portion of the alimentary canal, except one. Which is the exception? a. Oral cavity b. Pharynx c. Larynx d. Esophagus e. Small intestine ANS: C The larynx is not a portion of the alimentary canal. This tubular structure is approximately 30-ft long and comprises all the body parts through which food passes. DIF...

CESSWI Part 2 Exam Questions And Answers All Verified Multiple Hat Role Primary Role - Determine Regulatory Compliance of site Official Representative On-Site Fact Finder and Record Keeper Enforcement Case Developer Technical Instructor CESSWI Certified Erosion, Sediment and StormWater Inspector Good Inspectors Skills Inquisitiveness, Thoroughness, Consistency, Integrity, Conflict Resolution, and Communication Plan Types SWPPP, ESCP, Drainage/Grading Plan, SPCC, SWMP ...

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...

List some lowlands and rivers in the UK correct answers Tray, Clyde, Mersey, Thames, Severn, Wye List some uplands found in the UK correct answers Lake district, Snowdonia, Dartmoor, Pennines, Grampian mountains List some coastlines in the UK correct answers the Holderness forest, Dorset coast Define Landscape correct answers an extensive area of land regarded as being visually and physically distinct define relief correct answers shape of the land whether it is high or low define...

EPPN Exam 4 Questions & Answers 2024/2025 True or False: The breast milk paradigm was the assumption that all breast milk was sterile is no longer valid. - ANSWERSTrue Which of the following microbes is/are part of the core microbiome? Group of answer choices: Streptococcus Pseudomonas Staphlococcus Lactobacillus A and C - ANSWERSA and C True or False: All the bacteria associated with human breast milk are human pathogens. - ANSWERSFalse True or False: The maternal diet does ...

The component in which liquid vapor by absorbing heat is called? - Answer Evaporator Select the best answer electrical grounding method? - Answer Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? - Answer Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? - Answer 30-70 What is the BTU content of a gallon of #4? - Answer 146,000 What does a zeolite water softener system use as a means of reg...

You are the operator for a pool which is 164 feet long and 80 feet wide. The pool bottom has a constant slope which is 4 feet deep at the shallow end, and 10 feet deep at the deep end. What is the volume of this pool in gallons? - CORRECT ANS f You operate a pool which uses high rate sand filters. You discover that your filter tank has developed a major leak and must be replaced. Your pool operates with a flow rate of 525 GPM. Using a filter media rate (fmr) of 15 gallons per minute, what ...