Chlorine testing Study guides, Class notes & Summaries

CPO Practice Test Questions and Answers Already Passed Which type of filter requires the least amount of water to clean? (A) Diatomaceous (B) Rapid rate sand (C) High rate sand (D) Cartridge (D) Cartridge Cyanuric acid (stabilizer) protects free chlorine (FC) against the effects of: (A) Pathogens like Crypto, Giardia, and Shigella (B) High Total dissolved solids (C) Ultraviolet rays from the sun (D) High PH (C) Ultraviolet rays from the sun An erosion chemical feeder is what ty...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin layer of CFC ...

How long does the RO have to be running before we perform any water testing? Correct Answer 15 minutes What does IFU stand for? Correct Answer instructions for use ***Instructions written by the manufacturer that are approved by the FDA. How long does the sample valve need to be flushed after the RO has been running for 15 minutes before a sample is collected? Correct Answer 2 minutes What is the frequency for testing the Total Chlorine? Correct Answer Before the first patient of the...

0.00 to 0.09 ppm - CORRECT ANSWER total chlorine levels that are patient safe 15 minutes - CORRECT ANSWER length of time RO has to be running B4 water samples can be taken for RO water sample and chlorine testing AAMI - CORRECT ANSWER association for the advancement of medical instrumentation, develops voluntary standards for dialysis action level - CORRECT ANSWER level at which we must take corrective measures. adsorption - CORRECT ANSWER means to attract...

CDPH Water Distribution Grade 2 Questions and Answers Latest Update 2024/2025 (Graded A+) What term is used when a water utility divides its total operating expenses into the total revenue? a.) Debt ratio b.) Operating ratio c.) Credit ratio d.) Coverage ratio b.) Operating ratio Under the requirements of the Safe Drinking Water Act, it is the duty of the water purveyor to deliver potable water of proper quality only as far as the: a.) Entry point of the distribution system b.) Customer...

Class "C" Water Exam Questions and Answers Latest Updated 2024/2025 | 100% Correct | Graded A+. A common chemical used in the disenfection of a small water supply is- Calcium Hypochlorite A physical connection between a potable water supply and a house well would be- A Cross Connection The amount of Chlorine in mg/L that is used by reacting with iron, organics, or bacteria is called? Demand All of the following are Physical characteristics of Chlorine gas- Greenish Yellow color Heavier ...

Class "C" Water Operator Test Questions and Answers Latest Updated 2024/2025 | 100% Correct | Graded A+. A common chemical used in the disenfection of a small water supply is- Calcium Hypochlorite A physical connection between a potable water supply and a house well would be- A Cross Connection The amount of Chlorine in mg/L that is used by reacting with iron, organics, or bacteria is called? Demand All of the following are Physical characteristics of Chlorine gas- Greenish Yellow color ...

What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - CORRECT ANSWER Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - CORRECT ANSWER 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - CORRECT ANSWER Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? - CORRECT ANSWER Hydrogen, chlorine, ...

A common chemical used in the disenfection of a small water supply is- Calcium Hypochlorite A physical connection between a potable water supply and a house well would be- A Cross Connection The amount of Chlorine in mg/L that is used by reacting with iron, organics, or bacteria is called? Demand All of the following are Physical characteristics of Chlorine gas- Greenish Yellow color Heavier than air Pungent, Penetrating odor Corrosive Which of the following would be considered a part ...

What complication would you expect to see if a patient is exposed to chlorine/chloramines? - Answer Hemolysis You are performing the first chlorine/chloramine testing of the day after the RO has been running for 10 minutes. Performing thetest at this time - Answer Could result in a false negative test At what time do you perform water hardness testing? - Answer At the end of each treatment day What is your immediate response to a final water quality alarm on the treatment floor? -...