Author Question: Oil is removed from the refrigerant vapor by a A) mist eliminator in the heater. B) valve in the ... (Read 59 times)

misspop · **on:** Jul 26, 2018

Oil is removed from the refrigerant vapor by a

A) mist eliminator in the heater. B) valve in the cooler.
C) filter in the condenser. D) coil in the vaporizer.

Question 2

How is a temperature-pressure relief valve on a hot-water boiler tested?

A) Pressurize the boiler with nitrogen until the pressure relief valve opens.
B) Pressure relief valves are optional, so testing is not required.
C) Jump the high limit and operate the burners until the pressure relief valve opens.
D) Pull lever and look for water at outlet of discharge pipe.