RMGA Installation Codes & Standards Compliance 3

Question 1

What is the primary purpose of a zone service box (ZSV) in a medical gas system per NFPA 99?

Accepted Answer

To isolate gas supply to a specific area for maintenance or emergency

Answer

Zone service valves allow staff to shut off gas to a defined area for maintenance or in emergencies without affecting other parts of the system.

Question 2

Per NFPA 99, medical gas zone valves must be located in which type of enclosure?

Accepted Answer

Labeled, accessible box with a transparent cover

Answer

NFPA 99 requires zone valves to be housed in labeled, accessible enclosures with a transparent or breakable cover so their status is visible.

Question 3

Under NFPA 99, which of the following gases requires a separate, dedicated source of supply and cannot share supply equipment with other gases?

Accepted Answer

Medical air

Answer

Medical air must have a completely dedicated source (compressor system) to prevent contamination from other gas sources.

Question 4

According to CGA V-1, which valve type is required at the cylinder connection point of a medical gas manifold?

Accepted Answer

Pin-index safety system valve

Answer

The Pin-Index Safety System (PISS) uses a specific pin configuration for each gas to prevent accidental connection of wrong gas cylinders.

Question 5

What does NFPA 99 require regarding the labeling of medical gas outlets?

Accepted Answer

Color coding and gas name label at each outlet

Answer

NFPA 99 mandates both color coding and text labeling of the gas name at each outlet to provide redundant identification.

(RMGA) Registered Medical Gas Administrator Certification Practice Test