MEDICAL GAS EXAMINATION TEST 2026
COMPLETE QUESTIONS AND ANSWERS
◉ A. 6010. Answer: Installers of a category 1 medical gas piped
distribution system must be qualified in accordance with ASSE 6010.
What is the certification requirement for installers of a category 3
medical gas piped distribution system?
A. 6010
B. 6020
C. 6030
D. Category 3 does NOT require certification
◉ A. after blow down of the distribution piping. Answer: When is the
initial pressure test conducted by installer?
A. after blow down of the distribution piping
B. after installation of alarm sensors
C. before blow down of the distribution piping
D. before installation of station rough-in assemblies
◉ C. polymeric. Answer: In those portions of systems intended to handle
oxygen at pressures greater than 350 psi, the interconnecting hose shall
NOT contain __________ materials.
,A. brass
B. copper
C. polymeric
D. stainless steel
◉ A. color coding. Answer: Which of these is an NFPA 99 requirement
for the labeling of pipes in a medical gas system?
A. color coding
B. fixed label width
C. label shall wrap completely around the pipe
D. reflective label
◉ D. The device will be supervised such that failure of communication
shall initiate an alarm. Answer: A wireless communication device is
employed in a medical gas or vacuum warning system. Which type of
supervision is required for this device?
A. A visual indicator shall be located in the maintenance office or the
engineering department.
B. The device shall be installed at the medical gas or vacuum source.
C. The device shall be located at a nurse's station
D. The device will be supervised such that failure of communication
shall initiate an alarm.
◉ D. zone valve box. Answer: Refer to DIAGRAM 1. Identify #7
,A. in-line valve
B. main control valve
C. service valve
D. zone valve box
◉ B. future. Answer: Refer to DIAGRAM I. Identify #8
A. dead end
B. future valve
C. history valve
D. in-line valve
◉ B. cut ends may be rolled smooth or deburred. Answer: What sort of
treatment shall be permitted before brazing the cut ends of a tube to be
installed in medical gas piping systems?
A. An argon gas purge must be done.
B. Cut ends may be rolled smooth or deburred
C. Extensions need to be added for brazing
D. treatment is NOT required; they may be brazed "as is"
◉ B. local;master. Answer: Manifolds for gas cylinders shall actuate
a(an) _______ signal and shall activate an indicator at all _______ alarm
panels to indicate when or just before changeover from one header to the
other.
, A. area; master
B. local; master
C. master; area
D. master; local
◉ B. local. Answer: Where liquid ring compressors are used, air
receivers shall be equipped with a high water level sensor that activates
a(n) ________ alarm indicator.
A. area
B. local
C. master
D. pressure
◉ B. -22 degrees F. Answer: Instrument air systems shall activate the
alarm systems when the dew point at system pressure exceeds how many
degrees Fahrenheit?
A. -20 degrees F
B. -22 degrees F
C. -24 degrees F
D. -26 degrees F
◉ A. station outlet / inlet. Answer: In a non-anesthetizing area, on which
side of a zone valve shall the pressure/ vacuum sensor be located?
COMPLETE QUESTIONS AND ANSWERS
◉ A. 6010. Answer: Installers of a category 1 medical gas piped
distribution system must be qualified in accordance with ASSE 6010.
What is the certification requirement for installers of a category 3
medical gas piped distribution system?
A. 6010
B. 6020
C. 6030
D. Category 3 does NOT require certification
◉ A. after blow down of the distribution piping. Answer: When is the
initial pressure test conducted by installer?
A. after blow down of the distribution piping
B. after installation of alarm sensors
C. before blow down of the distribution piping
D. before installation of station rough-in assemblies
◉ C. polymeric. Answer: In those portions of systems intended to handle
oxygen at pressures greater than 350 psi, the interconnecting hose shall
NOT contain __________ materials.
,A. brass
B. copper
C. polymeric
D. stainless steel
◉ A. color coding. Answer: Which of these is an NFPA 99 requirement
for the labeling of pipes in a medical gas system?
A. color coding
B. fixed label width
C. label shall wrap completely around the pipe
D. reflective label
◉ D. The device will be supervised such that failure of communication
shall initiate an alarm. Answer: A wireless communication device is
employed in a medical gas or vacuum warning system. Which type of
supervision is required for this device?
A. A visual indicator shall be located in the maintenance office or the
engineering department.
B. The device shall be installed at the medical gas or vacuum source.
C. The device shall be located at a nurse's station
D. The device will be supervised such that failure of communication
shall initiate an alarm.
◉ D. zone valve box. Answer: Refer to DIAGRAM 1. Identify #7
,A. in-line valve
B. main control valve
C. service valve
D. zone valve box
◉ B. future. Answer: Refer to DIAGRAM I. Identify #8
A. dead end
B. future valve
C. history valve
D. in-line valve
◉ B. cut ends may be rolled smooth or deburred. Answer: What sort of
treatment shall be permitted before brazing the cut ends of a tube to be
installed in medical gas piping systems?
A. An argon gas purge must be done.
B. Cut ends may be rolled smooth or deburred
C. Extensions need to be added for brazing
D. treatment is NOT required; they may be brazed "as is"
◉ B. local;master. Answer: Manifolds for gas cylinders shall actuate
a(an) _______ signal and shall activate an indicator at all _______ alarm
panels to indicate when or just before changeover from one header to the
other.
, A. area; master
B. local; master
C. master; area
D. master; local
◉ B. local. Answer: Where liquid ring compressors are used, air
receivers shall be equipped with a high water level sensor that activates
a(n) ________ alarm indicator.
A. area
B. local
C. master
D. pressure
◉ B. -22 degrees F. Answer: Instrument air systems shall activate the
alarm systems when the dew point at system pressure exceeds how many
degrees Fahrenheit?
A. -20 degrees F
B. -22 degrees F
C. -24 degrees F
D. -26 degrees F
◉ A. station outlet / inlet. Answer: In a non-anesthetizing area, on which
side of a zone valve shall the pressure/ vacuum sensor be located?
