Red Seal HVAC 313A Practice Test
313A Evaporators and Condensers
What is the temperature difference (TD) across an evaporator and what does it indicate?
Select your answer
A
The difference between refrigerant discharge and suction temperatures
B
The difference between the air temperature entering the evaporator and the refrigerant saturation temperature; it indicates proper coil sizing and airflow
C
The difference between indoor and outdoor temperatures
D
The temperature change of the refrigerant through the compressor
Hint