HAC 101 quiz 3

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

• path

• flow

• distribution

• exit

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

• BTU's

• BTH's

• ATVs

• Trucks

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

• Compression Ratio

• ratio per minute

• compression

• ratio

Absolute Zero is the temperature at which ________ theoretically ceases

• Latent heat

• Heat activity

• Molecules

• Molecular activity

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?

• sensible heat

• Latent Heat Vaporization

• super heat

• heat

A condition of stable equilibrium of a vapor and a liquid is called?

• wet

• Saturation

• moist

• extra wet

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

• melted

• Evaporated

• Condensed

• heated

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

• Superheat

• heat

• cold

• absorbed heat

is a measurement of heat intensity.

• geometry

• calculous

• Temperature

• inches of mercury

Any pressure below atmospheric pressure is called a

• Vacuum

• Suction

• discharge

• head pressure