Author Question: When a manual service valve is frontseated: A) Both the service port and the line are closed to ... (Read 77 times)

WWatsford · **on:** Jul 24, 2018

When a manual service valve is frontseated:

A) Both the service port and the line are closed to the system.
B) Both the service port and the line are open to the system.
C) The service port is closed and the system is open to the line.
D) The service port is open and the system is closed to the line.

Question 2

When looking at the ANSI/ASHRAE Standard 34-2010, flammability can be recognized through the:

A) Numbers 13. B) Letter B. C) Letter A. D) Numbers 46.