Author Question: Before loading a torch set onto the back of your service truck, you should: A) Close the cylinder ... (Read 140 times)

ahriuashd · **on:** Jul 26, 2018

Before loading a torch set onto the back of your service truck, you should:

A) Close the cylinder valves and remove the regulators.
B) Make sure to properly adjust the regulators.
C) Vent all the gas from the cylinders.
D) Prepare a clutter-free area to lay the torch set down for safety.

Question 2

An air conditioner with refrigerant R-22 has a low-side pressure of 70 psig and a temperature of 55F. According to the pressure-temperature chart:

A) It is saturated.
B) It is superheated.
C) It is subcooled.
D) Its condition cannot be determined knowing just the pressure and temperature.