Backwash Study guides, Class notes & Summaries
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![The Dental Hygienists Guide to Nutritional Care 5th Edition by Cynthia A. Stegeman - Test Bank](/docpics/3331153/64edd8ed71a39_3331153_121_171.jpeg)
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The Dental Hygienists Guide to Nutritional Care 5th Edition by Cynthia A. Stegeman - Test Bank
- Exam (elaborations) • 268 pages • 2023
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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...
![Economic Transition - Advanced Human Geography CIE A-Level (9696)](/docpics/3973548/65708f8502e70_3973548_121_171.jpeg)
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Economic Transition - Advanced Human Geography CIE A-Level (9696)
- Summary • 36 pages • 2023 Popular
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CIE Geography (9696), This summary covers Economic Transition, which is chapter 14 in the A-Level Advanced Human Geography A-Level syllabus. 
The topics covered in the summary: 
 
National development 
 
The nature of the primary, secondary, tertiary and quaternary sectors and their roles in economic development 
The nature, causes and distribution of global inequalities in social and economic wellbeing 
The measures and indices of social and economic inequality 
The globalisation of economic a...
![Class C water license Florida Study Guide Exam Verified Answers 2024.](/docpics/4953420/661472c095da3_4953420_121_171.jpeg)
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Class C water license Florida Study Guide Exam Verified Answers 2024.
- Exam (elaborations) • 4 pages • 2024
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true - Answer Is chlorine heavier then air 
 
you contact the fire department in the event of this - Answer who do you call when you have a chlorine leak 
 
ammonia soaked rag or swab held near the suspected area - Answer what is best to use when looking for a chlorine leak 
 
milk - Answer in case of exposure to chlorine what is best to consume 
 
Hydroflouric Acid - Answer what is very strong acid 
 
short circuit - Answer what you get when you don't have good mixing 
 
permanent ...
![Pool Operator's Final Exam questions & answers 2023](/docpics/6426cb0bbbc60_2538378.jpg)
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Pool Operator's Final Exam questions & answers 2023
- Exam (elaborations) • 5 pages • 2023
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Pool Operator's Final Exam questions & answers 2023The percentage of hypoclorous acid formation is most influenced by: 
pH 
 
 
 
Pool painting is usually done: 
Before opening in the spring 
 
 
 
 
 
 
00:10 
 
01:20 
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: 
Centri...
![Pool Operators Exam 2023 with 100% correct answers](/docpics/64263f282ee38_2536900.jpg)
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Pool Operators Exam 2023 with 100% correct answers
- Exam (elaborations) • 9 pages • 2023
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Surface Area 
Length x Width (square/rectangle) 
pi(r)^2 (circle) 
 
 
 
Maximum facility load (bather load) 
Surface area/27 
 
 
 
Volume 
Surface Area x average depth x 7.5 
 
 
 
Turnover (main, wading, spa) 
6 hours, 2 hours, 15 minutes 
 
 
 
Minimum flow rate 
Volume/turnover/60 
 
 
 
Maximum flow rate is based on? 
Filter specifications 
 
 
 
Components of Swimming Pool Recirculation and Filtration 
Pump, Piping, Filter 
 
 
 
Another name for a filter data sheet? 
Placard 
 
 
 
Hi-ra...
![Certified Pool Operator Study Guide (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A](/docpics/5244614/663ce4f6d8e86_5244614_121_171.jpeg)
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Certified Pool Operator Study Guide (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
- Exam (elaborations) • 21 pages • 2024
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Certified Pool Operator Study Guide (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A 
 
Q: Skimmer Weir 
prevents floating debris from reentering the pool 
 
 
 
Q: where does water go after going through the pump? 
 
 
Answer: 
filter 
 
 
 
Q: where does water go after the filter? 
 
 
Answer: 
heater 
 
 
 
Q: where does water go after heater? 
 
 
Answer: 
flow meter 
 
 
 
Q: where does water go after going through flow meter? 
 
 
Answer: 
back to the pool th...
![Swimming pool operator certification| 103 QUESTIONS| WITH COMPLETE SOLUTIONS](/docpics/638cd28fda9e1_2154434.jpg)
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Swimming pool operator certification| 103 QUESTIONS| WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 9 pages • 2022
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First step of fecal accident procedure Correct Answer: Direct all bathers to leave the pool. All affected waters must be closed to swimming until proper procedures for contamination have been completed 
 
Second step of fecal accident procedure Correct Answer: Manually remove as much of the material as possible using a net or scoop and dispose of it in a sanitary manner. Clean and disinfect the scoop or net. After cleaning leave the net or scoop immersed in the pool during this infection. Vacu...
![Pool and Hot tub CPO practice 2023 with Complete Solutions](/docpics/6415901dc6857_2485600.jpg)
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Pool and Hot tub CPO practice 2023 with Complete Solutions
- Exam (elaborations) • 2 pages • 2023
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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? - ANSWER-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 size san...
![Pool Operator Exam 2023 with complete solutions](/docpics/63e920fab4a63_2363832.jpg)
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Pool Operator Exam 2023 with complete solutions
- Exam (elaborations) • 7 pages • 2023
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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...
![POOL AND HOT TUB CPO PRACTICE 2023 QUESTIONS AND ANSWERS GRADED AND ALREADY PASSED](/docpics/2877589/64839b0f5642c_2877589_121_171.jpeg)
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POOL AND HOT TUB CPO PRACTICE 2023 QUESTIONS AND ANSWERS GRADED AND ALREADY PASSED
- Exam (elaborations) • 2 pages • 2023
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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 ...
![Pool Operator's Final Exam: Questions & Answers: Updated A Plus Guide](/docpics/5308887/66447a98db9a8_5308887_121_171.jpeg)
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Pool Operator's Final Exam: Questions & Answers: Updated A Plus Guide
- Exam (elaborations) • 8 pages • 2024
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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...
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