HRTM 270 ServSafe chapter 10 Question
and answers rated A+
removes food and other dirt from a surface - correct answer cleaning
reduces pathogens on a surface to safe levels - correct answer sanitizing
must be stable, noncorrosive, and safe to use - correct answer cleaners
to sanitize items by soaking them in hot water, water must be at least what
temperature Fahrenheit? - correct answer 171
To sanitize items by soaking them in hot water, how long must they be
soaked? - correct answer at least 30 seconds
chlorine
iodine
quaternary ammonium compounds/quats - correct answer chemical sanitizers
what type of blends can you use to sanitize? - correct answer detergent-
sanitizer
mix of chemical sanitizer and water - correct answer sanitizer solution
how it concentration of sanitizer measured? - correct answer parts per million
, to check the concentration of a sanitizer solution, use what? - correct answer
test kit
amount of time the sanitizer must make contact with the object being sanitized
in order for it to kill pathogens - correct answer contact time
water temperature when using chlorine - correct answer >=100F; >=75F
water temperature when using iodine - correct answer 68F
water temperature when using quats - correct answer 75F
water pH when using chlorine - correct answer <=10; <=8
water pH when using iodine - correct answer <=5
water hardness of quats - correct answer <=500ppm
sanitizer concentration of chlorine - correct answer 50-99ppm
sanitizer concentration of iodine - correct answer 12.5-25ppm
sanitizer contact time of chlorine - correct answer >=7 seconds
sanitizer contact time of iodine - correct answer >=30 seconds
sanitizer contact time of quats - correct answer >= 30 seconds
and answers rated A+
removes food and other dirt from a surface - correct answer cleaning
reduces pathogens on a surface to safe levels - correct answer sanitizing
must be stable, noncorrosive, and safe to use - correct answer cleaners
to sanitize items by soaking them in hot water, water must be at least what
temperature Fahrenheit? - correct answer 171
To sanitize items by soaking them in hot water, how long must they be
soaked? - correct answer at least 30 seconds
chlorine
iodine
quaternary ammonium compounds/quats - correct answer chemical sanitizers
what type of blends can you use to sanitize? - correct answer detergent-
sanitizer
mix of chemical sanitizer and water - correct answer sanitizer solution
how it concentration of sanitizer measured? - correct answer parts per million
, to check the concentration of a sanitizer solution, use what? - correct answer
test kit
amount of time the sanitizer must make contact with the object being sanitized
in order for it to kill pathogens - correct answer contact time
water temperature when using chlorine - correct answer >=100F; >=75F
water temperature when using iodine - correct answer 68F
water temperature when using quats - correct answer 75F
water pH when using chlorine - correct answer <=10; <=8
water pH when using iodine - correct answer <=5
water hardness of quats - correct answer <=500ppm
sanitizer concentration of chlorine - correct answer 50-99ppm
sanitizer concentration of iodine - correct answer 12.5-25ppm
sanitizer contact time of chlorine - correct answer >=7 seconds
sanitizer contact time of iodine - correct answer >=30 seconds
sanitizer contact time of quats - correct answer >= 30 seconds
