The ____________________ heat pump uses air as the heat transfer medium in both the indoor and outdoor coils.
Fill in the blank(s) with the appropriate word(s).
air to air
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For comfort cooling systems using chilled water, water is considered the _____.
a. primary coolant b. secondary coolant c. refrigerant d. absorbant
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List and discuss three types of water-caused erosion
What will be an ideal response?
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The term ________ describes the condition in which female animals are ready for mating
a. Gestation c. Estrus b. Menstruation d. Prolific
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The controller for a humidifier, a humidistat, has a power element that is ____ sensitive.
A. moisture B. light C. infrared D. temperature
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