What is the indexed safety system for threaded high-pressure connections between large com-pressed gas cylinders and their attachments?
a. Pin-Indexed Safety System (PISS)
b. Diameter-Index Safety System (DISS)
c. American Standard Safety System (ASSS)
d. CGA System
ANS: C
Adopted in the United States and Canada, the ASSS provides standards for threaded high-pressure connections between large compressed gas cylinders (sizes F through H/K) and their attachments.
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