Medical Gas Systems Refresher Examination: A Comprehensive
Competency Assessment for Healthcare Professionals on Bulk and
Cylinder Gas Delivery, Safety Standards, and Emergency Protocols
A local alarm shall activate alarm panels when the dew point on instrument air systems
pressure exceeds ______________ indicating high dew point. -22° F
Each brazed joint shall be visually examined after the cleaning of the outside of the joint
Medical air central supply systems shall include air dryer(s) that maintains a maximum
dew point of _________ to 50-55 psi at any level of demand. 32° F
Instrument air shall be dry to a dew point of -40° F
A building or portion thereof used to provide services or treatment simultaneously to four
or more patients on an outpatient basis, where the patients are incapable of taking action
for self-preservation under emergency conditions without the assistance of others is a
ambulatory health care center
During the outlet flow test, nitrogen outlets shall deliver __________ SCFM with a
pressure drop of no more than 5 psi gage and a static pressure of 160 - 180 psi. 5.0
The reserve supply manifold of high pressure cylinders shall consist of ____________
connections. three or more
Piping underground within buildings or embedded in concrete floors or walls shall be
installed in a continuous conduit
A building or portion of a building used for minor treatments under the continuous
supervision of a dental professional and no overnight stays for patients or no 24 hours
operations take place is a Dental Office
_________________________________ is an inorganic compound, that exists as a gas
at atmospheric pressure and temperature, possesses a _________________smell.
Nitrous Oxide, Sweet
, PVC dental vacuum piping shall be subjected to a vacuum test of not less than ________
in. gauge HgV. 12 in. Gauge HgV
Manufactured assemblies shall have a flame spread rating of not greater than 200
Instrument air is designed to have an operating pressure of ____________________ psi
gauge 160-185
Flexible connectors of other than all-metal construction that connect manifolds to the gas
distribution piping shall not exceed ______ feet in length and shall not penetrate walls,
floors, ceilings, or partitions. 5ft
Medical air compressors shall be sufficient to serve the peak calculated demand with the
____________ single compressor out of service. But in no case shall there be fewer than
______ compressors. Largest, 2
The quality of medical air shall have less than ___________ PPM gaseous
hydrocarbons.
Medical air compressor central supply systems shall be equipped to ensure the delivery
of compressed air with a maximum allowable _________ oil. o.oo
If WAGD is joined to vacuum piping, it shall be connected at a minimum distance of
_________ feet from any vacuum inlet. 5ft
The maximum support spacing for 2 ½" NPS plastic pipe is 5ft
In medical air central supply systems, gaseous hydrocarbons shall be monitored on a
___________________ basis. quarterly basis
Competency Assessment for Healthcare Professionals on Bulk and
Cylinder Gas Delivery, Safety Standards, and Emergency Protocols
A local alarm shall activate alarm panels when the dew point on instrument air systems
pressure exceeds ______________ indicating high dew point. -22° F
Each brazed joint shall be visually examined after the cleaning of the outside of the joint
Medical air central supply systems shall include air dryer(s) that maintains a maximum
dew point of _________ to 50-55 psi at any level of demand. 32° F
Instrument air shall be dry to a dew point of -40° F
A building or portion thereof used to provide services or treatment simultaneously to four
or more patients on an outpatient basis, where the patients are incapable of taking action
for self-preservation under emergency conditions without the assistance of others is a
ambulatory health care center
During the outlet flow test, nitrogen outlets shall deliver __________ SCFM with a
pressure drop of no more than 5 psi gage and a static pressure of 160 - 180 psi. 5.0
The reserve supply manifold of high pressure cylinders shall consist of ____________
connections. three or more
Piping underground within buildings or embedded in concrete floors or walls shall be
installed in a continuous conduit
A building or portion of a building used for minor treatments under the continuous
supervision of a dental professional and no overnight stays for patients or no 24 hours
operations take place is a Dental Office
_________________________________ is an inorganic compound, that exists as a gas
at atmospheric pressure and temperature, possesses a _________________smell.
Nitrous Oxide, Sweet
, PVC dental vacuum piping shall be subjected to a vacuum test of not less than ________
in. gauge HgV. 12 in. Gauge HgV
Manufactured assemblies shall have a flame spread rating of not greater than 200
Instrument air is designed to have an operating pressure of ____________________ psi
gauge 160-185
Flexible connectors of other than all-metal construction that connect manifolds to the gas
distribution piping shall not exceed ______ feet in length and shall not penetrate walls,
floors, ceilings, or partitions. 5ft
Medical air compressors shall be sufficient to serve the peak calculated demand with the
____________ single compressor out of service. But in no case shall there be fewer than
______ compressors. Largest, 2
The quality of medical air shall have less than ___________ PPM gaseous
hydrocarbons.
Medical air compressor central supply systems shall be equipped to ensure the delivery
of compressed air with a maximum allowable _________ oil. o.oo
If WAGD is joined to vacuum piping, it shall be connected at a minimum distance of
_________ feet from any vacuum inlet. 5ft
The maximum support spacing for 2 ½" NPS plastic pipe is 5ft
In medical air central supply systems, gaseous hydrocarbons shall be monitored on a
___________________ basis. quarterly basis
