RMGA Safety Standards 4

Question 1

What is the maximum allowable pressure drop across a zone valve when fully open in a medical gas distribution system?

Accepted Answer

2 psig

Answer

NFPA 99 permits a maximum pressure drop of 2 psig across a fully open zone valve to ensure adequate gas flow to patient care areas.

Question 2

When storing compressed gas cylinders, full and empty cylinders must be separated and stored how?

Accepted Answer

In separate areas with clear labeling indicating full or empty status

Answer

Full and empty cylinders must be stored in physically separate, clearly labeled areas to prevent accidentally using an empty cylinder in an emergency.

Question 3

Under NFPA 99, a Level 1 medical gas system is defined as one that supports patients who are:

Accepted Answer

In danger of loss of life if gas supply is interrupted

Answer

Level 1 medical gas systems support patients whose lives depend on the continuous supply of medical gases, requiring the highest reliability standards.

Question 4

Which of the following materials is NOT acceptable for use in medical oxygen piping systems per NFPA 99?

Accepted Answer

Galvanized steel pipe

Answer

Galvanized steel pipe is not permitted in medical oxygen systems because zinc coatings can react with oxygen and contaminate the gas supply.

Question 5

An RMGA must ensure that after any repair to a medical gas piping system, which test is performed before returning the system to service?

Accepted Answer

Cross-connection test, pressure test, and purity test

Answer

NFPA 99 requires cross-connection testing, pressure testing, and gas purity testing before a repaired medical gas system is returned to service.

(RMGA) Registered Medical Gas Administrator Certification Practice Test

(RMGA) Registered Medical Gas Administrator Certification Practice Test

RMGA Safety Standards 4