The pressure of a refrigerant cylinder containing saturated refrigerant:
A) Is determined by both the amount of refrigerant in the cylinder and the cylinder temperature.
B) Is determined entirely by the amount of gas in the cylinder.
C) Is determined entirely by the temperature of the refrigerant.
D) Is determined by the amount of liquid in the cylinder.
Question 2
The main cause of high condensing temperature and pressure in air-cooled condensers is:
A) Operating the condenser at low ambient temperatures without head pressure controls.
B) Refrigerant undercharge.
C) Dirty condensers.
D) Excessive airflow over the condenser.
Air pressure under water
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