Author Question: How does the refrigerant charge affect a system's subcooling? A) The refrigerant charge does not ... (Read 100 times)

pane00 · **on:** Jul 24, 2018

How does the refrigerant charge affect a system's subcooling?

A) The refrigerant charge does not affect the system subcooling.
B) Adjusting the refrigerant charge only affects the subcooling if the refrigerant is added on the high side.
C) Adding refrigerant increases the system subcooling.
D) Removing refrigerant increases the system subcooling.

Question 2

When performing an initial system check, a TAB technician determines that the total airflow the blower is moving cannot be adjusted to meet design specifications. This could indicate that:

A) There is no air filter installed. B) There is too much restriction in the ductwork.
C) There are leaks in the supply-side ductwork. D) There are leaks in the return-side ductwork.

Match the type of system to the application.