|
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 =
|
|
|
| |
| |