MED GAS COMPREHENSIVE STUDY
GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ Authority Having Jurisdiction (AHJ).
Answer: An existing system that is not in strict compliance with the
provisions of this code shall be permitted to be continued in use as long as
the _____has determined that such use does not constitute a distinct hazard
to life.
◍ Designated Storage Area.
Answer: Indoor locations for oxygen, nitrous oxide, and mixtures of these
gases shall not communicate with any of the following EXCEPT
◍ Visual Pressure Indicator.
Answer: An auxiliary source connection shall consist of all of the following
EXCEPT
◍ Each Building Served.
Answer: When multiple buildings are served from a single cryogenic liquid
oxygen source, it is required to place the emergency oxygen supply
connection in...__________
◍ 3Ft.
Answer: The minimum clearance around the EOSC for a temporary source
of supply is ____ft.
◍ Be filtered to .01 microns.
Answer: The quality medical air shall comply with all of the following
standards EXCEPT
◍ Human Respiratory Applications.
, Answer: Medical air sources shall only be used for ____
◍ 1 micron or greater.
Answer: Medical air filters shall be sized for 100% of the system peak
calculated demand and be rated for a minimum of 98% efficiency at
_____micron or greater.
◍ At least duplexed.
Answer: In a medical air supply system dryers, filters, and regulators shall
be_________.
◍ 25 feet.
Answer: The medical air intake shall be located a minimum of ___ft from all
exhausts or other noxious fumes.
◍ 20 Ft..
Answer: The medical air intake shall be located outdoors a minimum of
___ft above ground level.
◍ 10 ft..
Answer: The medical air intake shall be minimum of ___Ft from all doors,
windows, or other openings in a building.
◍ 30 in. of HgV.
Answer: Vacuum receivers shall be capable of withstanding a guage vacuum
of ____in. of HgV
◍ Any method to ensure continual service.
Answer: A medical-surgical vacuum receiver shall be made serviceable by
___.
◍ Any non-corroding.
Answer: A medical-surgical vacuum exhaust shall be turned down and
screened. The screening shall be fabricated using _________material.
◍ grooved joint.
Answer: Vacuum exhaust from multiple pumps joined together to one
common exhaust shall be permitted provided each pump can be isolated.
, The pumps can be isolated by all of the following except a
_______________.
◍ psychiatric or pediatric.
Answer: With the approval of the authority having jurisdiction, a zone valve
shall be permitted to be secured to prevent inappropriate access in
_______areas.
◍ Be Ball Type.
Answer: New or replacement valves are not required to .....
◍ Main Shutoff Valve.
Answer: A _________shutoff valve shall be provided in the main supply
line when the source valve is not accessible from within the building being
served
◍ Threaded End Connections.
Answer: In-Line check valves are not required to have______.
◍ Gas-Specific.
Answer: Each station outlet/inlet for medical gasses and vacuums shall be
______.
◍ in excess of 80 psi.
Answer: Station outlets that operate at a pressure in excess of ___psi shall be
either D.I.S.S. or be designed to relieve pressure prior to removal of adaptor.
◍ Middle Third of Gauge Scale.
Answer: The scale range of positive pressure analog indicators shall have
the normal operating pressure fall within the _______of the gauge scale.
◍ Visible, Audible.
Answer: All master, area, and local alarm systems shall include separate
_____and ______indicators for each condition monitored.
◍ Removable.
Answer: Alarm switches and sensors shall be installed so as to be
_________.
GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ Authority Having Jurisdiction (AHJ).
Answer: An existing system that is not in strict compliance with the
provisions of this code shall be permitted to be continued in use as long as
the _____has determined that such use does not constitute a distinct hazard
to life.
◍ Designated Storage Area.
Answer: Indoor locations for oxygen, nitrous oxide, and mixtures of these
gases shall not communicate with any of the following EXCEPT
◍ Visual Pressure Indicator.
Answer: An auxiliary source connection shall consist of all of the following
EXCEPT
◍ Each Building Served.
Answer: When multiple buildings are served from a single cryogenic liquid
oxygen source, it is required to place the emergency oxygen supply
connection in...__________
◍ 3Ft.
Answer: The minimum clearance around the EOSC for a temporary source
of supply is ____ft.
◍ Be filtered to .01 microns.
Answer: The quality medical air shall comply with all of the following
standards EXCEPT
◍ Human Respiratory Applications.
, Answer: Medical air sources shall only be used for ____
◍ 1 micron or greater.
Answer: Medical air filters shall be sized for 100% of the system peak
calculated demand and be rated for a minimum of 98% efficiency at
_____micron or greater.
◍ At least duplexed.
Answer: In a medical air supply system dryers, filters, and regulators shall
be_________.
◍ 25 feet.
Answer: The medical air intake shall be located a minimum of ___ft from all
exhausts or other noxious fumes.
◍ 20 Ft..
Answer: The medical air intake shall be located outdoors a minimum of
___ft above ground level.
◍ 10 ft..
Answer: The medical air intake shall be minimum of ___Ft from all doors,
windows, or other openings in a building.
◍ 30 in. of HgV.
Answer: Vacuum receivers shall be capable of withstanding a guage vacuum
of ____in. of HgV
◍ Any method to ensure continual service.
Answer: A medical-surgical vacuum receiver shall be made serviceable by
___.
◍ Any non-corroding.
Answer: A medical-surgical vacuum exhaust shall be turned down and
screened. The screening shall be fabricated using _________material.
◍ grooved joint.
Answer: Vacuum exhaust from multiple pumps joined together to one
common exhaust shall be permitted provided each pump can be isolated.
, The pumps can be isolated by all of the following except a
_______________.
◍ psychiatric or pediatric.
Answer: With the approval of the authority having jurisdiction, a zone valve
shall be permitted to be secured to prevent inappropriate access in
_______areas.
◍ Be Ball Type.
Answer: New or replacement valves are not required to .....
◍ Main Shutoff Valve.
Answer: A _________shutoff valve shall be provided in the main supply
line when the source valve is not accessible from within the building being
served
◍ Threaded End Connections.
Answer: In-Line check valves are not required to have______.
◍ Gas-Specific.
Answer: Each station outlet/inlet for medical gasses and vacuums shall be
______.
◍ in excess of 80 psi.
Answer: Station outlets that operate at a pressure in excess of ___psi shall be
either D.I.S.S. or be designed to relieve pressure prior to removal of adaptor.
◍ Middle Third of Gauge Scale.
Answer: The scale range of positive pressure analog indicators shall have
the normal operating pressure fall within the _______of the gauge scale.
◍ Visible, Audible.
Answer: All master, area, and local alarm systems shall include separate
_____and ______indicators for each condition monitored.
◍ Removable.
Answer: Alarm switches and sensors shall be installed so as to be
_________.
