HVAC Excellence Master LC-AC Practice Questions - HVAC Excellence Master Specialist - Light Commercial Air Conditioning (Written Examination) Exam

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A dry-bulb economizer uses a single outdoor sensor for changeover. Compared with an enthalpy economizer, the dry-bulb type can waste energy when outdoor air is:

Cool but very humid Cold and dry Warm and dry Below freezing

Correct Answer:

Cool but very humid

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