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### 21 Cards in this Set

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 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