RMGA Pipeline Installation 2

Question 1

According to NFPA 99, what is the minimum burial depth required for medical gas piping installed underground inside a healthcare facility?

Accepted Answer

18 inches

Answer

NFPA 99 requires underground medical gas piping inside buildings to be buried at least 18 inches deep to protect against damage.

Question 2

Which type of fitting is prohibited in medical gas pipeline systems according to NFPA 99?

Accepted Answer

Threaded fittings on copper tubing

Answer

Threaded fittings on copper tubing are prohibited in medical gas systems; all joints must use brazed or approved mechanical connections.

Question 3

What is the required color coding for a nitrous oxide pipeline in the United States?

Accepted Answer

Blue

Answer

Nitrous oxide pipelines are coded blue per CGA and NFPA 99 standards for medical gas identification in the US.

Question 4

When installing copper tubing for medical gas pipelines, which grade must be used?

Accepted Answer

Type ACR copper cleaned for oxygen service

Answer

Medical gas piping requires Type K or Type L hard-drawn copper tubing that has been cleaned for oxygen service and labeled accordingly.

Question 5

In a medical gas pipeline system, what is the purpose of a zone valve box?

Accepted Answer

To isolate a section of the distribution system for maintenance or emergency

Answer

Zone valve boxes allow specific areas to be isolated from the pipeline system without shutting down the entire facility supply.

(RMGA) Registered Medical Gas Administrator Certification Practice Test