If an HVAC  control panel is equipped with a recirculation  feature it means that:

A. When activated the recirculation door is closed preventing dust and contaminants from entering the cab.
B. Cooling time when air conditioning  is selected will be lower.
C. The recirculation feature will not operate in the defrost mode.
D. All of the above statements are true in regards to the recirculation feature.


Answer: D

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What will be an ideal response?

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