Author Question: Large pressurized cylinders on air-conditioning systems that hold more than 15 psig internal ... (Read 75 times)

Awilson837 · **on:** Jul 24, 2018

Large pressurized cylinders on air-conditioning systems that hold more than 15 psig internal pressure must be rated by:

A) The American Society of Heating, Refrigeration, and Air Conditioning Engineers, ASHRAE.
B) The Environmental Protection Agency, EPA.
C) The Department of Transportation, DOT.
D) The American Society of Mechanical Engineers, ASME.

Question 2

Control valves used for steam heating coils are typically:

A) Either two-way or three-way valves. B) Four-way valves.
C) Three-way valves. D) Two-way valves.