HVAC Excellence Master LC Refrigeration Practice Questions - HVAC Excellence Master Specialist - Light Commercial Refrigeration (Written Examination) Exam

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On a properly operating evaporator, raising the evaporator TD (box air temperature minus saturated suction temperature) generally has what effect on the box relative humidity?

Lowers the relative humidity Raises the relative humidity Has no effect on humidity Eliminates frost entirely

Correct Answer:

Lowers the relative humidity

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