RMGA Installation Codes & Standards Compliance 4

Question 1

Under NFPA 99, what is the maximum concentration of carbon monoxide (CO) permitted in medical air?

Accepted Answer

5 ppm

Answer

NFPA 99 limits CO in medical air to 5 ppm to protect patients who may be particularly sensitive to CO exposure.

Question 2

Which NFPA 99 provision addresses the requirement for a reserve supply in a medical gas system?

Accepted Answer

A reserve supply that automatically activates when the primary supply is depleted

Answer

NFPA 99 requires an automatic reserve supply that activates seamlessly when the primary supply is depleted to ensure continuous gas availability.

Question 3

Per ASSE 6020 standards, what qualification is required for personnel who inspect and maintain medical gas systems?

Accepted Answer

ASSE 6020 inspector/verifier certification

Answer

ASSE 6020 is the separate certification for medical gas system inspectors and verifiers, distinct from the ASSE 6010 installer certification.

Question 4

What is the required minimum pipe size for a medical vacuum (WAGD) system riser serving an ICU per NFPA 99 design criteria?

Accepted Answer

Determined by flow calculation per NFPA 99 Annex B

Answer

NFPA 99 requires pipe sizing to be based on flow calculations per its Annex B, accounting for the number of simultaneous users and pressure loss.

Question 5

According to NFPA 99, which condition requires immediate notification of the responsible person in charge (RPIC)?

Accepted Answer

Master alarm activation indicating pressure out of normal range

Answer

Master alarm activations indicating abnormal system pressure require immediate notification of the RPIC who can authorize corrective action.

(RMGA) Registered Medical Gas Administrator Certification Practice Test