MEDGAS 6010 INSTALLERS TEST
EXAM QUESTIONS WITH COMPLETE
SOLUTIONS 2026
Which of the following systems shall not be permitted to be located in an outdoor
enclosure?
A) medical air sources
B)Manifolds for gas cylinders with or without reserve
C)Bulk cryogenic liquid system
D) manifolds for cryogenic liquid cylinders - ANSWERSA) medical air sources
What system is used to monitor the operation and condition of the source supply of
each medical gas and vacuum piping system?
A) master alarm system
B) area alarm system
C) building management system
D) pressure indicator system - ANSWERSA) master alarm system
What system is used to capture and carry away gases from anesthesia or analgesia
equipment?
A) waste, anesthetic, gas disposal system
B) medical surgical vacuum
C) mask system
D) terminal system - ANSWERSA) waste, anesthetic, gas disposal system
What is not part of a typical category 1 medical gas vacuum system?
A) an inlet at locations where patient suction could be
B) patient lead
C) pressure, gauges, and operating control controls
D) shut off valves - ANSWERSB) patient lead
What is a pneumatic terminus of a piped gas system? Other than critical continuous
duty, nonflammable, medical life support type gases.
A) compressor
B) service inlet
C) service outlet
D) vacuum outlet - ANSWERSC)Service outlet
What guide is for preparation of precautionary, labeling and marking of compressed gas
containers?
A)ANSI/ ISA S-7.0.01
B)CGA V-5
,C)CGA C-7
D)CGA P-2.7 - ANSWERSC) CGA C-7
What device automatically reduces gases under high-pressure to a usable, lower
working pressure?
A) final line regulator
B) isolation valve
C) positive negative regulator
D) pressure reducing regulator - ANSWERSD) Pressure reducing regulator
Under the risk categories, what category is major injury or death to patients or
caregivers?
A)4
B)1
C)3
D)2 - ANSWERSB)1
The riser is the___pipe that connects the main line to various levels of the facility.
A) main
B) branch
C) vertical
D) horizontal - ANSWERSC) vertical
The main text of which contains only mandatory provisions using the word shall indicate
the requirements of a___and suitable for adoption into law. Non-mandatory provision
shall be located in appendix or annex are not to be considered requirements of a___.
A) standard, code
B) code, standard
C) should, standard
D) code, listed - ANSWERSB) code, standard
Oxygen enriched atmosphere is the concentration of oxygen that exceeds___Percent
by volume.
A) 19.5
B) 22.5
C) 99.5
D) 23.5 - ANSWERSD) 23.5
Medical support gas, nitrogen or instrument air is used to operate___?
A) medical surgical tools
B) air driven booms
C) pendants
D) all of the above - ANSWERSD) all of the above
Manufacturers shall design their medical air compressors to exclude___from the
airstream and compression chamber.
,A) nitrous oxide
B) oxygen
C) oil
D) ozone - ANSWERSC) oil
Facility systems in which failure of such equipment is likely to cause minor injury to
patients or caregivers shall be designed to meet what category?
A)1
B)2
C)3
D)4 - ANSWERSB)2
Building, structure, or space used to house chambers and all auxiliary service
equipment for medical applications and procedures at pressures above normal
atmospheric pressures?
A) hospital
B) hyperbaric facility
C) hypobaric
D) hypoxia - ANSWERSB) hyperbaric facility
A DISS connector is a system of___medical gas and vacuum connectors comply with
CGA V-5.
A) double insulated
B) emergency
C) non-interchangeable
D) the main building only - ANSWERSC) non-interchangeable
A___ device is used for connecting the outlets of one or more gas cylinders to the
central piping system.
A) mask
B) manifold
C) manufactured assembly
D) connection - ANSWERSB) manifold
A non-interchangeable connection, usually a DISS connector, which is the termination
of a pipeline, and which is intended to be detached only for service, a___shall be used.
A) service connection
B) service inlet/outlet
C) service terminal
D) semi permanent connection - ANSWERSD) semi permanent connection
A portion of the healthcare facility designated by the governing body that serves a
specific purpose is called___?
A) wastes
B) category
C) spaces
, D) rooms - ANSWERSC) spaces
A system of non-interchangeable medical gas and vacuum connectors shall comply
with___for low pressure connections for medical gas applications.
A) CDA copper tube handbook
B) The joint commission comprehensive manual for hospitals
C) CGA V-5 Diameter index safety system
D) ASHRAE handbook of fundamentals - ANSWERSC) CGA V-5 Diameter index
A warning system within an area uses a___that provides continuous visible and
audiobook surveillance of category one and Kat category two medical gas and vacuum
system.
A) alternate alarm
B) area alarm
C) Local alarm
D) master alarm - ANSWERSB) area alarm
An active system or equipment, whose failure is not likely to cause injury to patients,
staff, or visitors shall be designed to meet what category?
A) 2
B) 1
C) 4
D) 3 - ANSWERSD) 3
A chemical element that at a normal atmospheric temperatures and pressures, exist as
a colorless, odorless, and tasteless, gas and compromises about 21% by volume of the
earths atmosphere.
A) nitrous oxide
B) liquid oxygen
C) oxygen
D)Hydrogen - ANSWERSC) oxygen
A factory assembled product designed for anesthetics or convenience that contains
medical gas outlets or vacuum inlets, piping, or other related to medical gases is a___?
A) subsystem
B) manufactured assembly
C) reconstituted assembly
D) all of the above - ANSWERSB) manufactured assembly
Within a single patient room or critical care area to provide access for two or more
gases through a common delivery system. Which would be used?
A) surface mounted medical gas rail system (MGR)
B) multiple outlet system (MOS)
C) branch system (BS)
D) waste anesthetic gas disposal (WAGD) - ANSWERSA) surface mounted medical gas
rail system (MGR)
EXAM QUESTIONS WITH COMPLETE
SOLUTIONS 2026
Which of the following systems shall not be permitted to be located in an outdoor
enclosure?
A) medical air sources
B)Manifolds for gas cylinders with or without reserve
C)Bulk cryogenic liquid system
D) manifolds for cryogenic liquid cylinders - ANSWERSA) medical air sources
What system is used to monitor the operation and condition of the source supply of
each medical gas and vacuum piping system?
A) master alarm system
B) area alarm system
C) building management system
D) pressure indicator system - ANSWERSA) master alarm system
What system is used to capture and carry away gases from anesthesia or analgesia
equipment?
A) waste, anesthetic, gas disposal system
B) medical surgical vacuum
C) mask system
D) terminal system - ANSWERSA) waste, anesthetic, gas disposal system
What is not part of a typical category 1 medical gas vacuum system?
A) an inlet at locations where patient suction could be
B) patient lead
C) pressure, gauges, and operating control controls
D) shut off valves - ANSWERSB) patient lead
What is a pneumatic terminus of a piped gas system? Other than critical continuous
duty, nonflammable, medical life support type gases.
A) compressor
B) service inlet
C) service outlet
D) vacuum outlet - ANSWERSC)Service outlet
What guide is for preparation of precautionary, labeling and marking of compressed gas
containers?
A)ANSI/ ISA S-7.0.01
B)CGA V-5
,C)CGA C-7
D)CGA P-2.7 - ANSWERSC) CGA C-7
What device automatically reduces gases under high-pressure to a usable, lower
working pressure?
A) final line regulator
B) isolation valve
C) positive negative regulator
D) pressure reducing regulator - ANSWERSD) Pressure reducing regulator
Under the risk categories, what category is major injury or death to patients or
caregivers?
A)4
B)1
C)3
D)2 - ANSWERSB)1
The riser is the___pipe that connects the main line to various levels of the facility.
A) main
B) branch
C) vertical
D) horizontal - ANSWERSC) vertical
The main text of which contains only mandatory provisions using the word shall indicate
the requirements of a___and suitable for adoption into law. Non-mandatory provision
shall be located in appendix or annex are not to be considered requirements of a___.
A) standard, code
B) code, standard
C) should, standard
D) code, listed - ANSWERSB) code, standard
Oxygen enriched atmosphere is the concentration of oxygen that exceeds___Percent
by volume.
A) 19.5
B) 22.5
C) 99.5
D) 23.5 - ANSWERSD) 23.5
Medical support gas, nitrogen or instrument air is used to operate___?
A) medical surgical tools
B) air driven booms
C) pendants
D) all of the above - ANSWERSD) all of the above
Manufacturers shall design their medical air compressors to exclude___from the
airstream and compression chamber.
,A) nitrous oxide
B) oxygen
C) oil
D) ozone - ANSWERSC) oil
Facility systems in which failure of such equipment is likely to cause minor injury to
patients or caregivers shall be designed to meet what category?
A)1
B)2
C)3
D)4 - ANSWERSB)2
Building, structure, or space used to house chambers and all auxiliary service
equipment for medical applications and procedures at pressures above normal
atmospheric pressures?
A) hospital
B) hyperbaric facility
C) hypobaric
D) hypoxia - ANSWERSB) hyperbaric facility
A DISS connector is a system of___medical gas and vacuum connectors comply with
CGA V-5.
A) double insulated
B) emergency
C) non-interchangeable
D) the main building only - ANSWERSC) non-interchangeable
A___ device is used for connecting the outlets of one or more gas cylinders to the
central piping system.
A) mask
B) manifold
C) manufactured assembly
D) connection - ANSWERSB) manifold
A non-interchangeable connection, usually a DISS connector, which is the termination
of a pipeline, and which is intended to be detached only for service, a___shall be used.
A) service connection
B) service inlet/outlet
C) service terminal
D) semi permanent connection - ANSWERSD) semi permanent connection
A portion of the healthcare facility designated by the governing body that serves a
specific purpose is called___?
A) wastes
B) category
C) spaces
, D) rooms - ANSWERSC) spaces
A system of non-interchangeable medical gas and vacuum connectors shall comply
with___for low pressure connections for medical gas applications.
A) CDA copper tube handbook
B) The joint commission comprehensive manual for hospitals
C) CGA V-5 Diameter index safety system
D) ASHRAE handbook of fundamentals - ANSWERSC) CGA V-5 Diameter index
A warning system within an area uses a___that provides continuous visible and
audiobook surveillance of category one and Kat category two medical gas and vacuum
system.
A) alternate alarm
B) area alarm
C) Local alarm
D) master alarm - ANSWERSB) area alarm
An active system or equipment, whose failure is not likely to cause injury to patients,
staff, or visitors shall be designed to meet what category?
A) 2
B) 1
C) 4
D) 3 - ANSWERSD) 3
A chemical element that at a normal atmospheric temperatures and pressures, exist as
a colorless, odorless, and tasteless, gas and compromises about 21% by volume of the
earths atmosphere.
A) nitrous oxide
B) liquid oxygen
C) oxygen
D)Hydrogen - ANSWERSC) oxygen
A factory assembled product designed for anesthetics or convenience that contains
medical gas outlets or vacuum inlets, piping, or other related to medical gases is a___?
A) subsystem
B) manufactured assembly
C) reconstituted assembly
D) all of the above - ANSWERSB) manufactured assembly
Within a single patient room or critical care area to provide access for two or more
gases through a common delivery system. Which would be used?
A) surface mounted medical gas rail system (MGR)
B) multiple outlet system (MOS)
C) branch system (BS)
D) waste anesthetic gas disposal (WAGD) - ANSWERSA) surface mounted medical gas
rail system (MGR)
