Author Question: If a technician needs to check the refrigerant pressures on a system with a small charge: A) A ... (Read 51 times)

mspears3 · **on:** Jul 26, 2018

If a technician needs to check the refrigerant pressures on a system with a small charge:

A) A short refrigeration gauge should be used.
B) A standard gauge manifold set should be connected to both sides of the system.
C) Only the low side of the gauge manifold set should be connected.
D) Only the high side of the gauge manifold set should be connected.

Question 2

In a direct digital control system the primary controller is the

A) bleed type thermostat. B) voltage amplifier.
C) HVACR computer. D) Wheatstone bridge.