The cosine of an angle that has an adjacent side of 10 inches and a hypotenuse of 14 inches is _____.
a. 0.6984
b. 0.7143
c. 0.7654
d. 0.7692
b. 0.7143
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An expansion tank problem may be indicated by:
A) A low pressure problem. B) A defective mixing valve. C) A clogged air separator. D) A weeping relief valve.
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The essential elements of a single-component system refrigeration system, in order, are:
A) Condenser, compressor, metering device, and evaporator. B) Metering device, compressor, evaporator, and condenser. C) Evaporator, compressor, condenser, and metering device. D) Compressor, evaporator, metering device, and condenser.
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List the associations that establish national standards for the HVACR industry
What will be an ideal response?
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