Med Gas
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. Nitrous oxide & carbon dioxide cylinders shall be prevented from reaching
temperatures below ____ - Correct Answer: 20 degrees Fahrenheit
2. Medical air intakes shall be ____ feet above ground level - Correct
Answer: 20
3. The master alarm will activate when the medical gas pressure increases or
decreases by ____ from normal operation - Correct Answer: 20%
4. The area alarm will activate when the medical gas pressure increases or
decreases by ____ from normal operation - Correct Answer: 20%
5. Earth's atmosphere: Comprised with ____ of it being Oxygen - Correct
Answer: 21%
6. The master alarm & local alarm will activate when the ____ is greater than
____ - Correct Answer: instrument air dew point, -22 degrees
Fahrenheit
,7. Materials in central supply systems intended to handle oxygen or nitrous
oxide mixtures of these gases: The mixture will have no more than ____
oxygen - Correct Answer: 23.5%
8. WAGD produced by the medical surgical vacuum source shall maintain a
total concentration of oxygen & nitrous oxide below ____ - Correct
Answer: 23.6 degrees Fahrenheit
9. Nursing homes are used on a ____ basis, therefore they fall under the NFLa
99 code - Correct Answer: 24-hour
10.Medical air proportioning systems: Performance and air quality shall be
recorded for a period of no less than ____ - Correct Answer: 24 hours
11.Medical air compressor intakes: The alternative air shall be at hand ____
per day, 7 days per week - Correct Answer: 24 hours
12.The test for vacuum shall be subject to a ____ standing vacuum test -
Correct Answer: 24 hour
13.Standing vacuum test for vacuum: The ____ standing pressure test on the
vacuum ____ or its designee - Correct Answer: 24 hour, shall be
witnessed by the AHJ
,14.Standing pressure test for positive pressure: Medical gas piping shall be
____ normal system operating pressure - Correct Answer: 20% above
15.Standing pressure test for positive pressure: Medical gas piping shall be
subject to a ____ standing pressure test - Correct Answer: 24 hour
16.Standing pressure test for positive pressure: The ____ standing pressure
test ____ or its designee - Correct Answer: 24 hour, shall be witnessed
by the AHJ
17.Manufactured assemblies are subject to a ____ standing pressure test -
Correct Answer: 24 hour
18.Medical air proportioning systems shall have less than ____ - Correct
Answer: 25 ppm of gaseous hydrocarbons
19.Medical air intakes shall be ____ feet from ventilation exhaust, fuel vents,
combustion vent, plumbing vents, vacuum & WAGD or areas where noxious
fumes may collect - Correct Answer: 25
20.Medical air supply systems shall have less than ____ - Correct Answer:
25 ppm gaseous hydrocarbons
21.Medical surgical vacuum exhaust shall be at least ____ feet away from any
doors, windows, air intakes or public assembly - Correct Answer: 25
, 22.Orbital welding joints shall be purged during welding with 75% helium (+-
5%) & ____ argon (+-5%) - Correct Answer: 25%
23.A station outlet operating at gauge pressure between ____ & 300 psi shall
not be able to be removed until the pressure has been relieved from the
system - Correct Answer: 200 psi
24.High pressure is defined as pressure exceeding ____ psi or ____ psia gauge -
Correct Answer: 200, 215
25.Cylinder is defined as a supply tank containing high pressure gases at
pressures in excess of ____ psi - Correct Answer: 2000
26.Bulk inert gas system has a capacity of more than ____ - Correct
Answer: 20,000ft^3
27.Cryogenic has a storage capacity of less than ____ - Correct Answer:
20,000ft^3
28.Central supply systems for oxygen with a total capacity of ____ or more
outside of the facility at standard temperature and pressure shall comply
with NFPA 55 - Correct Answer: 20,000ft^3
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. Nitrous oxide & carbon dioxide cylinders shall be prevented from reaching
temperatures below ____ - Correct Answer: 20 degrees Fahrenheit
2. Medical air intakes shall be ____ feet above ground level - Correct
Answer: 20
3. The master alarm will activate when the medical gas pressure increases or
decreases by ____ from normal operation - Correct Answer: 20%
4. The area alarm will activate when the medical gas pressure increases or
decreases by ____ from normal operation - Correct Answer: 20%
5. Earth's atmosphere: Comprised with ____ of it being Oxygen - Correct
Answer: 21%
6. The master alarm & local alarm will activate when the ____ is greater than
____ - Correct Answer: instrument air dew point, -22 degrees
Fahrenheit
,7. Materials in central supply systems intended to handle oxygen or nitrous
oxide mixtures of these gases: The mixture will have no more than ____
oxygen - Correct Answer: 23.5%
8. WAGD produced by the medical surgical vacuum source shall maintain a
total concentration of oxygen & nitrous oxide below ____ - Correct
Answer: 23.6 degrees Fahrenheit
9. Nursing homes are used on a ____ basis, therefore they fall under the NFLa
99 code - Correct Answer: 24-hour
10.Medical air proportioning systems: Performance and air quality shall be
recorded for a period of no less than ____ - Correct Answer: 24 hours
11.Medical air compressor intakes: The alternative air shall be at hand ____
per day, 7 days per week - Correct Answer: 24 hours
12.The test for vacuum shall be subject to a ____ standing vacuum test -
Correct Answer: 24 hour
13.Standing vacuum test for vacuum: The ____ standing pressure test on the
vacuum ____ or its designee - Correct Answer: 24 hour, shall be
witnessed by the AHJ
,14.Standing pressure test for positive pressure: Medical gas piping shall be
____ normal system operating pressure - Correct Answer: 20% above
15.Standing pressure test for positive pressure: Medical gas piping shall be
subject to a ____ standing pressure test - Correct Answer: 24 hour
16.Standing pressure test for positive pressure: The ____ standing pressure
test ____ or its designee - Correct Answer: 24 hour, shall be witnessed
by the AHJ
17.Manufactured assemblies are subject to a ____ standing pressure test -
Correct Answer: 24 hour
18.Medical air proportioning systems shall have less than ____ - Correct
Answer: 25 ppm of gaseous hydrocarbons
19.Medical air intakes shall be ____ feet from ventilation exhaust, fuel vents,
combustion vent, plumbing vents, vacuum & WAGD or areas where noxious
fumes may collect - Correct Answer: 25
20.Medical air supply systems shall have less than ____ - Correct Answer:
25 ppm gaseous hydrocarbons
21.Medical surgical vacuum exhaust shall be at least ____ feet away from any
doors, windows, air intakes or public assembly - Correct Answer: 25
, 22.Orbital welding joints shall be purged during welding with 75% helium (+-
5%) & ____ argon (+-5%) - Correct Answer: 25%
23.A station outlet operating at gauge pressure between ____ & 300 psi shall
not be able to be removed until the pressure has been relieved from the
system - Correct Answer: 200 psi
24.High pressure is defined as pressure exceeding ____ psi or ____ psia gauge -
Correct Answer: 200, 215
25.Cylinder is defined as a supply tank containing high pressure gases at
pressures in excess of ____ psi - Correct Answer: 2000
26.Bulk inert gas system has a capacity of more than ____ - Correct
Answer: 20,000ft^3
27.Cryogenic has a storage capacity of less than ____ - Correct Answer:
20,000ft^3
28.Central supply systems for oxygen with a total capacity of ____ or more
outside of the facility at standard temperature and pressure shall comply
with NFPA 55 - Correct Answer: 20,000ft^3
