Which box operates with higher humidity based on the temperature difference?

Prepare for the CFESA Refrigeration Certification Test. Study with flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

The correct answer focuses on the relationship between temperature difference (TD) and humidity levels within refrigerated boxes. A box with a lower temperature difference, such as Box A with a 5 ° TD, generally indicates that the internal conditions are more stable and conducive to holding moisture, therefore operating at a higher humidity level.

In refrigeration systems, a smaller temperature difference often means that the evaporator isn't working as aggressively to remove heat. This steadiness allows for more moisture to remain in the air within the box.

Conversely, a higher temperature difference, as seen in Box B with a 15 ° TD, typically suggests a more significant cooling effect, which can lead to lower humidity levels since the colder air can hold less moisture. In summary, a lower temperature difference correlates with higher humidity, making Box A the correct answer. This understanding reflects the fundamental principles of refrigeration and the behavior of moisture in cooler environments.

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