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Refrigeration
Refrigeration Definitioins Class 1
15
Science
Professional
12/13/2011

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Term
Refrigeration
Definition
The removal of heat from a substance or space to bring it to, or keep it at, a desired temperature below that of the surrounding air.
Term
Heat
Definition
A form of energy
Term
Energy
Definition
The ability to do work
Term
Matter
Definition
Any substance which occupies space or has weight
Term
Mass
Definition
The quantity of matter an object contains
Term
Temperature
Definition
A measure of the intensity of heat contained by a substance or space
Term
BTU
Definition
The amount of heat required to raise the temperature of one lb. of water one degree F.
Term
Specific Heat
Definition
The amount of heat required to change the temperature of one lb. of a substance on degree F.
Term
Conduction
Definition
The flow of heat directly through a substance. Heat transfer by conduction requires direct contact between two objects.
Term
Convection
Definition
The transfer of heat by a current of fluid, either a liquid or gas such as water or air.
Term
Radiation
Definition
The transfer of heat by waves
Term
Sensible Heat
Definition
Heat the causes or accompanies a change in the temperature of a substance. HEAT WE CAN FEEL
Term
Latent Heat
Definition
Heat added or removed from a substance that results in a change of state. HIDDEN HEAT
Term
Latent Heat of Fusion
Definition
The amount of latent heat added or removed to cause a change of state from solid to liquid or a liquid to solid.
Term
Latent Heat of Vaporization
Definition
The amount of latent heat added or removed to cause a change of state from liquid to vapor or a vapor to liquid
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