Two locations where a cold air return should be installed:
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Sensible heat describes ______.
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Latent heat measures the __________.
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Which of the following is not a method by which heat may be transferred from a warmer substance to colder substance?
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A day-ton of refrigeration is the amount of refrigeration produced by melting 1 ton of ice at temperature of 32ᴼF in 24 hours.
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Vaporization can be increased by ________ the pressure on liquid.
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The Fahrenheit absolute scale is the________ scale
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The Celsius absolute scale is the scale is the _______ scale.
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In a (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to:
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A thermal expansion valve that is stuck wide open will cause_____.
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What device controls the supplementary electric heat according to the outdoor temperature?
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What is the primary composition of natural gas?
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When the temperature of a structure both inside and outside is equal, there is ______.
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1 horsepower is equivalent to____.
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Sea Level Barometric Pressure is _____ pounds per square inch absolute (psia).
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Which of the following is NOT a classification of Axial fan type?
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The basic variable air volume system (VAV) is variable volume and constant _________.
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A ______ is a supply air outlet generally found in the ceiling with various deflectors to promote mixing of primary air with secondary air.
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A system with inlet guide vanes (IGV), also called ________.
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A common application of fan-powered boxes is around the perimeter or other areas of a building where:
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