Moving Heat in Circles
What are the 4 major Componants?
Compressor, Condenser Coil, Metering Device, Evaporator Coil
"The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture." This is known as
Dalton's Law
Pure water boils with a ________ psia at ______ degrees Fahrenheit and ______ degrees Celsius.
14.696 psia (sea level)
212o F
100o C
Gas/Vapor exerts pressure evenly in.........
all directions
What is the name of the electromagnetic switch that actuates the reversing valve?
Solenoid Coil
What are the 4 Lines that connect the 4 Major Components?
Suction, Discharge, Liquid, Expansion
"At a constant pressure, the volume of a gas varies directly as to the absolute temperature, and at a constant volume, the pressure of a gas varies directly with the absolute temperature." This is known as
Charle's Law
Pure water freezes with a ________ psia at ______ degrees Fahrenheit and ______ degrees Celsius.
14.696 psia (sea level)
32° F
0° C
__________ indicates the volume that each pound of a gas occupies.
Specific volume
What is the name of the electromagnetic switch that powers the blower motor?
Fan relay
Where does Superheating Occur?
Within the Evaporator Coil?
"The volume of a gas varies inversely with the absolute pressure, as long as the temperature remains constant" is known as.
Boyle's Law
At what temperature does all molecular activity stop for Fahrenheit and Celsius?
-460°F
-273°C
Why is it important to have plenty of ventilation when working around refrigeration equipment.
Modern Refrigerants are heavier than air and may displace the oxygen around.
What is the electromagnetic switch that powers on the condenser fan motor, and the compressor motor.
Contactor
Where does De-Superheating & Subcooling occur?
Within the Condenser Coil.
"Energy is neither created or destroyed, but can be converted from one form to another" is known as
Law of Conservation or The 1st Law of Thermodynamics
"The amount of heat required to raise the temperature of 1 pound of water by 1° F" is known as
The EPA law requires technicians to recover refrigerant from all refrigeration systems so that it can be......
will not be released into the atmosphere
may be used again
may be reclaimed for future use
This component down steps voltage from a high voltage to a lower voltage.
Transformer
Where does Flash Gassing occur?
Within the Metering Device.
"Heat always flows spontaneously from hotter matter to colder regions of matter" is known as
The amount of heat required to melt 1 ton of ice in a 24-hour period is known as _______ and how many BTU's is that?
1 Ton of Refrigeration
288,000 Btu (12,000 Btu/h)
In reference to the pressure/enthalpy chart, percentage of quality means.....
percentage of vapor/gas.
The manipulation of electromagnetic fields to do work is accomplished by which component?
Electric Motors