A ____ is either in the pressure reducer or in the downstream side of the system to ensure that the control air pressure does not exceed about 30 psig.
A) blowback valve
B) relief valve
C) pulldown valve
D) pressure valve

Question

Quizplus · Accepted Answer

A relief valve is designed to relieve pressure in a system once it reaches a certain point, in this case, approximately 30 psig, preventing damage or failure to the system. The other options are not commonly used in control air systems.

A ____ Is Either in the Pressure Reducer or in the Downstream