RMGA Code Requirements 3 — Questions and Answers
Question 1: Under NFPA 99, what is the required minimum free area for a bulk liquid oxygen storage room ventilation opening?
- 1 square foot per 1,000 cubic feet of room volume
- 2% of the floor area (Correct answer)
- 36 square inches total
- No specific size; natural ventilation is acceptable
Correct answer: 2% of the floor area
NFPA 99 requires ventilation openings totaling at least 2% of the floor area for bulk liquid oxygen storage rooms.
Question 2: Which standard governs the qualification and certification of medical gas system verifiers in the United States?
- NFPA 99 Chapter 5
- ASSE 6030 (Correct answer)
- CGA G-7.1
- Joint Commission TJC-EC.02.05.01
Correct answer: ASSE 6030
ASSE 6030 is the standard specifically covering the professional qualifications for medical gas system verifiers.
Question 3: According to NFPA 99, when must a medical gas system alarm panel be tested?
- Only at initial installation
- Annually and after any system modification (Correct answer)
- Every five years per Joint Commission schedule
- Monthly during routine maintenance
Correct answer: Annually and after any system modification
NFPA 99 requires alarm systems to be tested at initial installation and after any modification to ensure proper function.
Question 4: Under NFPA 99, what is the primary purpose of the master alarm panel for a medical gas system?
- To control individual zone valve positions remotely
- To monitor source equipment and main line conditions (Correct answer)
- To regulate delivery pressure to patient stations
- To log usage data for billing purposes
Correct answer: To monitor source equipment and main line conditions
The master alarm panel monitors source equipment status and main line pressure conditions to alert staff of system anomalies.
Question 5: Per NFPA 99, medical gas piping must be installed with what minimum clearance from electrical conduit running in parallel?
- No specific clearance required if non-contact
- 1 inch (Correct answer)
- 3 inches
- 6 inches
Correct answer: 1 inch
NFPA 99 requires at least 1 inch of clearance between medical gas piping and parallel electrical conduits to prevent abrasion and interference.
Question 6: Which CGA standard addresses the color coding of medical gas cylinders used in the United States?
- CGA C-9 (Correct answer)
- CGA G-4
- CGA P-2
- CGA V-1
Correct answer: CGA C-9
CGA C-9 provides standard color markings for compressed gas cylinders, including medical gases, to aid identification.
Question 7: Under NFPA 99, a Level 1 medical gas system must have a minimum of how many days of supply in reserve for bulk liquid systems?
- 1 day
- 3 days (Correct answer)
- 7 days
- 30 days
Correct answer: 3 days
NFPA 99 requires Level 1 bulk liquid systems to maintain a minimum three-day reserve supply to ensure continuity of care.
RMGA Code Requirements 3
Under NFPA 99, what is the required minimum free area for a bulk liquid oxygen storage room ventilation opening?