CFPM Cleaning & Sanitizing 4

Question 1

At what concentration range is chlorine sanitizer typically effective and safe for use on food-contact surfaces?

Accepted Answer

50–100 ppm

Answer

Chlorine sanitizer used on food-contact surfaces should be maintained between 50 and 100 ppm to be both effective and safe for use without additional rinsing.

Question 2

What effect does very hard water have on the effectiveness of a chemical sanitizer?

Accepted Answer

It can reduce sanitizer effectiveness by interfering with the active ingredient

Answer

Minerals in hard water can bind to sanitizer molecules and reduce their ability to kill pathogens, requiring higher concentrations or a water softener.

Question 3

Which of the following best describes the difference between cleaning and sanitizing?

Accepted Answer

Cleaning removes dirt and food residue; sanitizing reduces pathogens to safe levels

Answer

Cleaning physically removes contaminants such as grease and food debris, while sanitizing uses heat or chemicals to reduce pathogen levels to safe thresholds.

Question 4

A food handler uses a wiping cloth to clean a prep surface between tasks. To be safe, the cloth should be stored in:

Accepted Answer

A sanitizer solution of the correct concentration

Answer

Wiping cloths used on food-contact surfaces must be stored in sanitizer solution between uses to prevent them from becoming sources of contamination.

Question 5

Which piece of equipment is most commonly cleaned in place (CIP) rather than being disassembled for cleaning?

Accepted Answer

Large mixing tanks and pipelines

Answer

Large mixing tanks and pipeline systems are designed for clean-in-place (CIP) processes because disassembly is not practical or possible.

(CFPM) Certified Food Protection Manager Practice Test

(CFPM) Certified Food Protection Manager Practice Test

CFPM Cleaning & Sanitizing 4