MEDICAL GAS 6010 INSTALLERS ACTUAL FINALS
ANSWERS AND QUESTIONS SET A+
✔✔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 -
✔✔20,000ft^3
✔✔Bulk oxygen system has a capacity of more than ____ - ✔✔20,000ft^3
✔✔Bulk nitrogen oxide system has a storage capacity of more than ____ -
✔✔28,000ft^3
✔✔Medical air proportioning systems shall produce medical air with 19.5% to ____
oxygen content - ✔✔23.5%
✔✔Copper outlet tubes in station inlets shall be no less than ____ NPS - ✔✔3/8
✔✔Copper inlet tubes on station outlets shall be no less than ____ O.D. - ✔✔3/8 inch
✔✔Mains & branches in medical surgical vacuum systems shall be no less than ____
NPS - ✔✔3/4 inch
✔✔Relief valves shall have a vent discharge line no smaller than ____ NPS - ✔✔3/4
inch
✔✔Brazing dissimilar metal ____ NPS or smaller shall be permitted to use flux coated
brazing rods instead of flux - ✔✔3/4 inch
✔✔Compression fitting used on dental air systems shall be no larger than ____ - ✔✔3/4
inch
,✔✔Operational pressure test: The medical-surgical vacuum inlets shall draw at ____
standard cubic feet per minute without the vacuum pressure going below 12 inch HgV -
✔✔3
✔✔Reserve headers for cryogenic liquid containers shall have no fewer than ____
connections - ✔✔three
✔✔Manifolds for cryogenic liquid containers shall have an automatic means of
controlling ____ headers - ✔✔three
✔✔Micro-bulk & small bulk cryogenic: The systems shall have no less than ____ gas
cylinder connections - ✔✔three
✔✔Bulk cryogenic systems shall have a minimum of ____ feet clearance of work space
around the storage container - ✔✔three
✔✔EOSC connection: There shall be a minimum ____ feet clearance around the
outside connection - ✔✔three
✔✔Fittings may be re-cleaned on-site using a solution of 1 pound of sodium carbonate
to ____ gallons of water - ✔✔3
✔✔Category ____ space: In which the failure of equipment or a system is not likely to
cause injury to patients, staff, or visitors but can cause discomfort - ✔✔3
✔✔Category ____ dental: Facilities utilizing minimal or no sedation - ✔✔3
✔✔Master, area, & local alarms shall include a cancellable audible indicator with a
minimum level of 80dBA at ____ - ✔✔3 ft
✔✔Operational pressure test: The oxygen, nitrous, medical air and carbon dioxide
outlets with 50 psi shall deliver at ____ during the test - ✔✔3.5 standard cubic ft/min
✔✔Piping particulate test: During the test, a minimum flow rate of ____ standard cubic
ft/min shall be used - ✔✔3.5
✔✔Pressure differential method: The pressure test for the nitrogen/instrument air
medical gas system shall be pressurized to ____ - ✔✔30 psi
✔✔Orbital welding test coupons shall be inspected when the machine sits idle for more
than ____ - ✔✔30 mins
, ✔✔Medical surgical vacuum receivers shall be capable to withstand a ____ gauge HgV
- ✔✔30 inch
✔✔Relief valves shall be designed to ASME ____ Pressure Process Piping - ✔✔B31.3
✔✔Medical air dryers used in medical air compressors shall provide a few point of ____
at any level of demand - ✔✔32 degrees Fahrenheit
✔✔Piping particulate test: A minimum of ____ of gas shall be filtered during the test -
✔✔35 ft^3
✔✔Medical air shall not exceed a few point of ____ at system delivery - ✔✔+35
degrees Fahrenheit
✔✔A local alarm shall activate when the dew point exceeds ____ - ✔✔+35 degrees
Fahrenheit
✔✔Minimum backfill for medical gas piping outside of the building shall be ____ - ✔✔36
inches
✔✔NFPA 99 code covers medical gas systems below ____ - ✔✔300 psi
✔✔Memory metal fittings shall have a pressure rating of no less than ____ - ✔✔300 psi
✔✔Axial swaged fittings shall have a pressure rating of no less than ____ - ✔✔300 psi
✔✔Liquid oxygen exists at a cryogenic temperature of ____ - ✔✔-300 degrees
Fahrenheit
✔✔Station outlet operating at gauge pressure between 200 psi & ____ shall not be
removed until the pressure has been relieved - ✔✔300 psi
✔✔Metallic flexible joint for seismic protection or thermal expansion shall be suitable for
service at ____ - ✔✔300 psig
✔✔Stainless steel for vacuum tubing shall comply with ASTM A ____ or ____ - ✔✔312,
316L
✔✔Liquid containers shall have visible identification of ____ degrees - ✔✔360
✔✔Materials in central supply systems intended to handle oxygen pressure greater than
____ psi shall contain no polymeric materials - ✔✔435
ANSWERS AND QUESTIONS SET A+
✔✔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 -
✔✔20,000ft^3
✔✔Bulk oxygen system has a capacity of more than ____ - ✔✔20,000ft^3
✔✔Bulk nitrogen oxide system has a storage capacity of more than ____ -
✔✔28,000ft^3
✔✔Medical air proportioning systems shall produce medical air with 19.5% to ____
oxygen content - ✔✔23.5%
✔✔Copper outlet tubes in station inlets shall be no less than ____ NPS - ✔✔3/8
✔✔Copper inlet tubes on station outlets shall be no less than ____ O.D. - ✔✔3/8 inch
✔✔Mains & branches in medical surgical vacuum systems shall be no less than ____
NPS - ✔✔3/4 inch
✔✔Relief valves shall have a vent discharge line no smaller than ____ NPS - ✔✔3/4
inch
✔✔Brazing dissimilar metal ____ NPS or smaller shall be permitted to use flux coated
brazing rods instead of flux - ✔✔3/4 inch
✔✔Compression fitting used on dental air systems shall be no larger than ____ - ✔✔3/4
inch
,✔✔Operational pressure test: The medical-surgical vacuum inlets shall draw at ____
standard cubic feet per minute without the vacuum pressure going below 12 inch HgV -
✔✔3
✔✔Reserve headers for cryogenic liquid containers shall have no fewer than ____
connections - ✔✔three
✔✔Manifolds for cryogenic liquid containers shall have an automatic means of
controlling ____ headers - ✔✔three
✔✔Micro-bulk & small bulk cryogenic: The systems shall have no less than ____ gas
cylinder connections - ✔✔three
✔✔Bulk cryogenic systems shall have a minimum of ____ feet clearance of work space
around the storage container - ✔✔three
✔✔EOSC connection: There shall be a minimum ____ feet clearance around the
outside connection - ✔✔three
✔✔Fittings may be re-cleaned on-site using a solution of 1 pound of sodium carbonate
to ____ gallons of water - ✔✔3
✔✔Category ____ space: In which the failure of equipment or a system is not likely to
cause injury to patients, staff, or visitors but can cause discomfort - ✔✔3
✔✔Category ____ dental: Facilities utilizing minimal or no sedation - ✔✔3
✔✔Master, area, & local alarms shall include a cancellable audible indicator with a
minimum level of 80dBA at ____ - ✔✔3 ft
✔✔Operational pressure test: The oxygen, nitrous, medical air and carbon dioxide
outlets with 50 psi shall deliver at ____ during the test - ✔✔3.5 standard cubic ft/min
✔✔Piping particulate test: During the test, a minimum flow rate of ____ standard cubic
ft/min shall be used - ✔✔3.5
✔✔Pressure differential method: The pressure test for the nitrogen/instrument air
medical gas system shall be pressurized to ____ - ✔✔30 psi
✔✔Orbital welding test coupons shall be inspected when the machine sits idle for more
than ____ - ✔✔30 mins
, ✔✔Medical surgical vacuum receivers shall be capable to withstand a ____ gauge HgV
- ✔✔30 inch
✔✔Relief valves shall be designed to ASME ____ Pressure Process Piping - ✔✔B31.3
✔✔Medical air dryers used in medical air compressors shall provide a few point of ____
at any level of demand - ✔✔32 degrees Fahrenheit
✔✔Piping particulate test: A minimum of ____ of gas shall be filtered during the test -
✔✔35 ft^3
✔✔Medical air shall not exceed a few point of ____ at system delivery - ✔✔+35
degrees Fahrenheit
✔✔A local alarm shall activate when the dew point exceeds ____ - ✔✔+35 degrees
Fahrenheit
✔✔Minimum backfill for medical gas piping outside of the building shall be ____ - ✔✔36
inches
✔✔NFPA 99 code covers medical gas systems below ____ - ✔✔300 psi
✔✔Memory metal fittings shall have a pressure rating of no less than ____ - ✔✔300 psi
✔✔Axial swaged fittings shall have a pressure rating of no less than ____ - ✔✔300 psi
✔✔Liquid oxygen exists at a cryogenic temperature of ____ - ✔✔-300 degrees
Fahrenheit
✔✔Station outlet operating at gauge pressure between 200 psi & ____ shall not be
removed until the pressure has been relieved - ✔✔300 psi
✔✔Metallic flexible joint for seismic protection or thermal expansion shall be suitable for
service at ____ - ✔✔300 psig
✔✔Stainless steel for vacuum tubing shall comply with ASTM A ____ or ____ - ✔✔312,
316L
✔✔Liquid containers shall have visible identification of ____ degrees - ✔✔360
✔✔Materials in central supply systems intended to handle oxygen pressure greater than
____ psi shall contain no polymeric materials - ✔✔435
