Cooling Quiz #1

1
In an air conditioning system the liquid line contains?
2
In a heat pump system in the heating mode the liquid line contains?

3
When the temperature of the refrigerant is above the saturation temperature the refrigerant is said to be?
4
The definition for cold is?
5
As refrigerant flows through the compressor the following occurs
6
In the heating mode an evaporator coil in a heat pump serves what function?
7
If the pressure of R-22 is 84 psig, what is the saturation temperature of the refrigerant?
8
If the saturation temperature of R-22 is 73 degrees F what is the pressure?
9
To calculate the air flow of an air handler with electric heat what three things are required?
10
The unit of measure for electrical resistance is
11
A relay is?
12
Using the basic electrical formula E=I x R, what is the resistance of an electrical load drawing 3 amperes in a 115 volt circuit?
13
The condensing coil in an air conditioner performs which of the following functions?
14
An evaporator coil with a TXV valve has developed a coating of ice. What could cause this to occur?
15
The make up of the refrigerant leaving the evaporator coil in an air conditioner must be what percent vapor?

SCORE =
 
 

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Refrigeration Service Engineers Society
Twin Cities