Med Gas Exam Questions With All
Correct Answers <Verified Answers>
2026 Marking Scheme New Update
A local alarm shall activate alarm panels when the dew point on instrument air systems pressure
exceeds ______________ indicating high dew point. - CORRECT ANSWERS -22° F
Each brazed joint shall be - CORRECT ANSWERS 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. - CORRECT ANSWERS 32° F
Instrument air shall be dry to a dew point of - CORRECT ANSWERS -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 - CORRECT ANSWERS
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. - CORRECT ANSWERS 5.0
The reserve supply manifold of high pressure cylinders shall consist of ____________ connections. -
CORRECT ANSWERS three or more
Piping underground within buildings or embedded in concrete floors or walls shall be installed in a -
CORRECT ANSWERS continuous conduit
, A building or portion of a building used on a 24 hour basis for the housing of four or more persons who
because of mental or physical incapacity, might be unable to provide for their own needs and safety
without the assistance of another person, is a - CORRECT ANSWERS nursing home
For each positive-pressure gas system, the cleanliness of the piping system shall be verified by a piping
particulate test. The gas shall be filtered and shall accrue no more than __________ of matter from any
outlet tested. - CORRECT ANSWERS 1mg
A unit of pressure measurement with zero pressure as the base or reference pressure - CORRECT
ANSWERS PSIA
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 -
CORRECT ANSWERS Dental Office
_________________________________ is an inorganic compound, that exists as a gas at atmospheric
pressure and temperature, possesses a _________________smell. - CORRECT ANSWERS
Nitrous Oxide, Sweet
PVC dental vacuum piping shall be subjected to a vacuum test of not less than ________ in. gauge HgV. -
CORRECT ANSWERS 12 in. Gauge HgV
Manufactured assemblies shall have a flame spread rating of not greater than - CORRECT ANSWERS
200
Instrument air is designed to have an operating pressure of ____________________ psi gauge -
CORRECT ANSWERS 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.
- CORRECT ANSWERS 5ft
Correct Answers <Verified Answers>
2026 Marking Scheme New Update
A local alarm shall activate alarm panels when the dew point on instrument air systems pressure
exceeds ______________ indicating high dew point. - CORRECT ANSWERS -22° F
Each brazed joint shall be - CORRECT ANSWERS 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. - CORRECT ANSWERS 32° F
Instrument air shall be dry to a dew point of - CORRECT ANSWERS -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 - CORRECT ANSWERS
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. - CORRECT ANSWERS 5.0
The reserve supply manifold of high pressure cylinders shall consist of ____________ connections. -
CORRECT ANSWERS three or more
Piping underground within buildings or embedded in concrete floors or walls shall be installed in a -
CORRECT ANSWERS continuous conduit
, A building or portion of a building used on a 24 hour basis for the housing of four or more persons who
because of mental or physical incapacity, might be unable to provide for their own needs and safety
without the assistance of another person, is a - CORRECT ANSWERS nursing home
For each positive-pressure gas system, the cleanliness of the piping system shall be verified by a piping
particulate test. The gas shall be filtered and shall accrue no more than __________ of matter from any
outlet tested. - CORRECT ANSWERS 1mg
A unit of pressure measurement with zero pressure as the base or reference pressure - CORRECT
ANSWERS PSIA
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 -
CORRECT ANSWERS Dental Office
_________________________________ is an inorganic compound, that exists as a gas at atmospheric
pressure and temperature, possesses a _________________smell. - CORRECT ANSWERS
Nitrous Oxide, Sweet
PVC dental vacuum piping shall be subjected to a vacuum test of not less than ________ in. gauge HgV. -
CORRECT ANSWERS 12 in. Gauge HgV
Manufactured assemblies shall have a flame spread rating of not greater than - CORRECT ANSWERS
200
Instrument air is designed to have an operating pressure of ____________________ psi gauge -
CORRECT ANSWERS 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.
- CORRECT ANSWERS 5ft
