CFPM Cleaning & Sanitizing 3

Question 1

A cook notices a slimy film on the inside of an ice machine. This is most likely caused by:

Accepted Answer

Biofilm formed by bacterial colonies

Answer

A slimy film in an ice machine is a classic sign of biofilm, a community of bacteria protected by a sticky matrix that is difficult to remove.

Question 2

When using a high-temperature dishwasher for sanitizing, what is the minimum final rinse temperature required?

Accepted Answer

180°F (82°C)

Answer

High-temperature dishwashers must deliver a final rinse of at least 180°F (82°C) at the surface of the item being sanitized.

Question 3

How often should sanitizer solution concentration be tested during active use?

Accepted Answer

At least every 2–4 hours or when solution appears visibly dirty

Answer

Sanitizer solution loses effectiveness over time and with use, so it should be tested at regular intervals (every 2–4 hours) or whenever it looks soiled.

Question 4

Which cleaning agent is best suited for removing mineral deposits and hard water scale from equipment?

Accepted Answer

Acid cleaner

Answer

Acid cleaners dissolve mineral deposits and hard water scale that alkaline detergents cannot effectively remove.

Question 5

What is the primary purpose of using a test kit when preparing a sanitizer solution?

Accepted Answer

To verify the sanitizer has the correct concentration

Answer

Test kits verify that the sanitizer concentration falls within the effective and safe range specified by the manufacturer and regulatory standards.

(CFPM) Certified Food Protection Manager Practice Test

(CFPM) Certified Food Protection Manager Practice Test

CFPM Cleaning & Sanitizing 3