HAC-101 HVAC Vocabulary Quiz

Air Conditioning is the process of controlling the temperature, humidity, cleanliness and __________ of the air.

____________________ is the amount of heat necessary to change the temperature of 1 pound of pure water 1-degree Fahrenheit (˚F).

What is the ratio determined by dividing the discharge pressure, in PSI (Pa), by the suction pressure in PSI (Pa)? _________________

Absolute Zero is the temperature at which ____________ ____________ theoretically ceases.

What is the amount of heat energy in BTU's required to change the state of one pound of a liquid to one pound of vapor at the same temperature called? _________________________.

A condition of stable equilibrium of a vapor and a liquid is called _____________________.

Sub cooling is cooling of a liquid, at a constant pressure, below the point at which it was ___________________.

Heat added to a vapor after all liquid has been vaporized is called ___________________.

_____________________ is a measurement of heat intensity.

Any pressure below atmospheric pressure is called a ____________________.