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21 Cards in this Set

  • Front
  • Back
The boiling Temperature of water at sea level is?
212F
Zero gauge pressure ( 0 PSIG) corresponds on the absolute pressure scale to
14.7 PSI
Hidden heat in refrigeration work is referred to as
Latent Heat
Absolute Zero
-459.7 F
What is absolute Zero Definition
The point of temp when no heat is left in a given object. (-459.7 F)
One Ton of Refrigeration is equal 10
12,000BTU PER HOUR
The heat used to change a liquid to a gas is called Latent Heat of _________?
Vaporization
Thermometer is used to Senes?
Sensible Heat
How many BTU's does it take to raise 5 pounds of water 2 degrees
10 Btu's
The number of BTU's needed to melt one pound of ice at 32f to water 32f
144BTU'S
Superheat is heat added
After all Liquid has changed to Vapor
What are the three methods that heat may be transferred?
Conduction, Convection, Radiation.
Cooling a liquid below it's saturation temp is called?
Subcooling
________ temp is another name of boiling point.
saturation
________ heat caused a change of state without a change in temp.
Latent
Specific Heat is expressed or measured in _________?
BTU's Per Pound
Heat always flows from a ____ object to a ______ object.
Hot Cold
The greater the temp difference between the objects the _____ heat will flow.
Faster
_________ is the force per unit area.
Pressure
_________ is the measure of the intensity of heat.
Temp
Latent Heat Of ________ changes a gas to a liquid without changing its temp.
LHO Condensation