Contact Time May 9, 2024 by Brian Klein /10 0 votes, 0 avg 0 Contact Time 1 / 10 What is contact time? How long it takes for a sanitizer solution to kill the pathogens on a surface The specific amount of time that a sanitizer solution must make contact with a surface to be effective Neither Both Wrong! Thats right! The contact time for a chlorine sanitizer is 7 seconds and the contact time for iodine or quats sanitizer is 30 seconds. 2 / 10 Both iodine and quats sanitizers need at least 30 seconds, and chlorine sanitizers need at least 7 seconds of contact with a surface to kill pathogens. What are these time specifications called? Onset time Contact time Neither Both Wrong! Thats right! 3 / 10 How long do quats and iodine sanitizer solutions need to make contact with a surface to kill pathogens? At least 7 seconds At least 30 seconds Neither Both Wrong! Thats right! 4 / 10 Why does a chemical sanitizer solution need to make contact with the surface being sanitized for a specific amount of time? The chemical needs enough time to kill pathogens To allow enough time for it to air-dry Neither Both Wrong! Thats right! 5 / 10 The contact time for a sanitizer solution is how long it must contact a surface to kill the pathogens on it. What is the contact time for a chlorine sanitizer? At least seven seconds At least 30 seconds Neither Both Wrong! Thats right! 6 / 10 How does time affect a chemical sanitizers effectiveness? Surface must have contact with the sanitizing solution long enough for it to kill the pathogens The amount of time required is different for every kind of sanitizer and is called the contact time Neither Both Wrong! Thats right! Check the manufacturers label on the chemical sanitizer for the recommended contact time or ask your supplier 7 / 10 How are items chemically sanitized? By soaking, rinsing, swabbing, or spraying the items with the correct concentration of a sanitizing solution Ensuring that the entire surface of the item has contact with the sanitizing solution for the specified contact time Neither Both Wrong! Thats right! 8 / 10 What’s the difference between Contact Time and Onset Time? Contact Time is how long it takes a sanitizer to kill pathogens Onset Time is how long it takes for symptoms of an illness to begin Neither Both Wrong! Thats right! 9 / 10 When sanitizing food contact surfaces, ensure the entire surface has enough contact time with the sanitizing solution. What is the correct tool to use for applying the sanitizing solution? A wet-wiping cloth A cloth towel Neither Both Wrong! Thats right! 10 / 10 Chemicals can be used to sanitize surfaces. The sanitizing solution must be prepared correctly and have contact with the surface for enough time to kill pathogens. How can the surfaces of tableware, utensils, and equipment make contact with the sanitizing solution? Soak them in a chemical sanitizing solution Rinse, swab, or spray them with sanitizing solution Neither Both Wrong! Thats right! Your score is LinkedIn Facebook Twitter Restart quiz Try another practice test
