CERTIFIED MEDICAL GAS INSPECTOR
EXAM (ASME/ASSE 6020) QUESTION
AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
INSTANT DOWNLOAD PDF
1. What is the primary purpose of a medical gas system?
• A) Storage of petroleum products
• B) Delivery of medical gases to patients
• C) Ventilation of buildings
• D) Insulation of piping
Correct Answer: B
Rationale: Medical gas systems are designed to deliver gases like oxygen and other
medical gases to patients in healthcare facilities .
2. Which standard specifically governs the certification of Medical Gas
Inspectors?
• A) NFPA 99
• B) ASSE 6020
• C) ASME B31.3
• D) OSHA 1910
,Correct Answer: B
Rationale: ASME/ASSE 6020 is the standard specifically for the assessment and
certification of medical gas inspectors .
3. Which NFPA code primarily governs medical gas systems in healthcare
facilities?
• A) NFPA 70
• B) NFPA 99
• C) NFPA 55
• D) NFPA 101
Correct Answer: B
Rationale: NFPA 99, the Health Care Facilities Code, establishes requirements for
medical gas and vacuum systems in healthcare settings .
4. Medical gas inspections for ASSE 6020 are primarily required to ensure:
• A) Efficient gas usage
• B) Patient safety and compliance with codes
• C) Reduction of operating costs
• D) System upgrades
Correct Answer: B
Rationale: Inspections ensure systems operate safely per code requirements, with
patient safety as the primary concern .
,5. What is the primary role of a Medical Gas Inspector?
• A) Install piping systems
• B) Design systems
• C) Verify compliance with codes and standards
• D) Operate medical equipment
Correct Answer: C
Rationale: Inspectors ensure systems meet applicable codes like NFPA 99 and
ASSE 6020 .
6. What color is typically used to identify medical oxygen piping in the U.S.?
• A) Red
• B) Green
• C) Blue
• D) Yellow
Correct Answer: B
Rationale: Green is the standard color for medical oxygen systems in U.S.
hospitals .
7. What color identifies medical air cylinders in the United States?
• A) Green
• B) Yellow
, • C) Blue
• D) Red
Correct Answer: C
Rationale: Medical-air cylinders are identified with a blue color code .
8. Which gas is commonly used for anesthesia?
• A) Nitrogen
• B) Nitrous oxide
• C) Helium
• D) Carbon dioxide
Correct Answer: B
Rationale: Nitrous oxide is commonly used as an anesthetic gas in healthcare
facilities .
9. What device reduces high-pressure cylinder gas to usable system levels?
• A) Filter
• B) Compressor
• C) Regulator
• D) Humidifier
Correct Answer: C
Rationale: Regulators reduce and control pressure to safe delivery levels .
EXAM (ASME/ASSE 6020) QUESTION
AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
INSTANT DOWNLOAD PDF
1. What is the primary purpose of a medical gas system?
• A) Storage of petroleum products
• B) Delivery of medical gases to patients
• C) Ventilation of buildings
• D) Insulation of piping
Correct Answer: B
Rationale: Medical gas systems are designed to deliver gases like oxygen and other
medical gases to patients in healthcare facilities .
2. Which standard specifically governs the certification of Medical Gas
Inspectors?
• A) NFPA 99
• B) ASSE 6020
• C) ASME B31.3
• D) OSHA 1910
,Correct Answer: B
Rationale: ASME/ASSE 6020 is the standard specifically for the assessment and
certification of medical gas inspectors .
3. Which NFPA code primarily governs medical gas systems in healthcare
facilities?
• A) NFPA 70
• B) NFPA 99
• C) NFPA 55
• D) NFPA 101
Correct Answer: B
Rationale: NFPA 99, the Health Care Facilities Code, establishes requirements for
medical gas and vacuum systems in healthcare settings .
4. Medical gas inspections for ASSE 6020 are primarily required to ensure:
• A) Efficient gas usage
• B) Patient safety and compliance with codes
• C) Reduction of operating costs
• D) System upgrades
Correct Answer: B
Rationale: Inspections ensure systems operate safely per code requirements, with
patient safety as the primary concern .
,5. What is the primary role of a Medical Gas Inspector?
• A) Install piping systems
• B) Design systems
• C) Verify compliance with codes and standards
• D) Operate medical equipment
Correct Answer: C
Rationale: Inspectors ensure systems meet applicable codes like NFPA 99 and
ASSE 6020 .
6. What color is typically used to identify medical oxygen piping in the U.S.?
• A) Red
• B) Green
• C) Blue
• D) Yellow
Correct Answer: B
Rationale: Green is the standard color for medical oxygen systems in U.S.
hospitals .
7. What color identifies medical air cylinders in the United States?
• A) Green
• B) Yellow
, • C) Blue
• D) Red
Correct Answer: C
Rationale: Medical-air cylinders are identified with a blue color code .
8. Which gas is commonly used for anesthesia?
• A) Nitrogen
• B) Nitrous oxide
• C) Helium
• D) Carbon dioxide
Correct Answer: B
Rationale: Nitrous oxide is commonly used as an anesthetic gas in healthcare
facilities .
9. What device reduces high-pressure cylinder gas to usable system levels?
• A) Filter
• B) Compressor
• C) Regulator
• D) Humidifier
Correct Answer: C
Rationale: Regulators reduce and control pressure to safe delivery levels .
