Ontario Food Handler Certification Practice Exam 2025 – Your All-in-One Guide to Exam Success!

Question: 1 / 400

What temperature must high-temperature dishwashing machines reach during their cycle?

At least 43°C

At least 77°C

At least 82°C

The correct temperature for high-temperature dishwashing machines to ensure effective sanitization is at least 82°C. This temperature is critical because it enables the machine to not only clean but also properly sanitize dishes and utensils by killing harmful bacteria and pathogens that could lead to foodborne illness. The high heat aids in effectively breaking down food residues and facilitates the sanitizing process, making sure that surfaces are safe for future use with food.

Temperatures below this threshold, such as those mentioned in other options, may not provide sufficient heat to eliminate all harmful microorganisms, thereby increasing the risk of contamination. For example, a temperature of 43°C, while warm, is insufficient for effective sanitization, and lower temperatures like 24°C do not even come close to meeting the guidelines necessary for safe dishwashing in a commercial setting.

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At least 24°C

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