Author Question: When the liquid line is restricted, the supply of refrigerant to the metering device is reduced. ... (Read 98 times)

oliviahorn72 · **on:** Jul 24, 2018

When the liquid line is restricted, the supply of refrigerant to the metering device is reduced. What is the effect on suction pressure and superheat?

A) Suction is increased and superheat increased.
B) Suction pressure goes down and superheat increases.
C) No change in the suction pressure
D) Suction is decreased and superheat decreased.

Question 2

Where should air vents be located in a hot water heating system?

A) Entering the circulator pump
B) Air vents need to be placed at high points of the system and on terminal units.
C) Leaving the circulator pump
D) Air vents need to be placed at low points of the system and on terminal units.