RMGA Installation Codes & Standards Compliance 2

Question 1

According to NFPA 99, what is the minimum required pressure for a Level 1 medical oxygen system at the outlet?

Accepted Answer

414 kPa (60 psi)

Answer

NFPA 99 requires Level 1 medical oxygen systems to maintain a minimum of 414 kPa (60 psi) at the station outlet.

Question 2

Under CGA G-4.1, which material is prohibited for use in oxygen service piping due to flammability risk?

Accepted Answer

Polyvinyl chloride (PVC)

Answer

CGA G-4.1 prohibits PVC and other combustible plastics in oxygen piping systems because they can ignite under high-pressure oxygen environments.

Question 3

What does NFPA 99 classify as a 'Category 1' gas system risk level?

Accepted Answer

Systems where failure poses a risk of major injury or death

Answer

NFPA 99 Category 1 systems are those where equipment failure could result in serious injury or death to patients or caregivers.

Question 4

Per ASSE 6010 standards, who is qualified to perform work on medical gas and vacuum piping systems?

Accepted Answer

A medical gas installer certified to ASSE 6010

Answer

ASSE 6010 certification is specifically required for personnel who install, inspect, and maintain medical gas and vacuum piping systems.

Question 5

According to NFPA 99, what is the maximum allowable pressure drop across a medical gas zone valve during peak flow conditions?

Accepted Answer

14 kPa (2 psi)

Answer

NFPA 99 limits pressure drop across zone valves to 14 kPa (2 psi) at peak demand to ensure adequate pressure at point of use.

(RMGA) Registered Medical Gas Administrator Certification Practice Test