MEDICAL GAS 6010 STUDYS CORRECT ANSWERS
AND QUESTIONS SET A+
✔✔Areas for anesthetizing gas delivery shall have area alarm pressure sensors
installed on the _ side of the individual room zone valve box assembly? A) in B) patient
C) source D) source or patient - ✔✔D) source or patient
✔✔If there is more than one source equipment location in a facility, it shall be necessary
for each location to have separate alarms at the _ panels? A) area B) fire C) master D)
security - ✔✔C) master
✔✔High carbon monoxide levels in a medical air system shall be indicated at each local
alarm. The alarm shall activate at _ ppm or higher? A) 10 B) 20 C) 100 D) 1000 - ✔✔A)
10
✔✔Fittings for positive pressure medical gas systems must be cleaned for oxygen
service by the _ supplier, or other agency prior to installation? A) authority having
jurisdiction B) certifier C) manufacturer D) owner - ✔✔C) manufacturer
✔✔It is the responsibility of the _ to furnish documentation certifying that all installed
piping and materials are cleaned for oxygen service? A) architect B) engineer C)
installer D) verifier - ✔✔C) installer
✔✔Medical-surgical vacuum system piping, when hard-drawn seamless copper tube,
shall be in accordance with any of the following except? A) ASTM B88 B) ASTM B280
C) ASTM B597 D) ASTM B819 - ✔✔C) ASTM B597
✔✔Which of the following piping materials shall be permitted for field installed medical-
surgical vacuum distribution piping systems? A) carbon steel pipe B) galvanized pipe C)
plastic pipe D) stainless steel pipe - ✔✔D) stainless steel pipe
, ✔✔Brazed joints shall be made using a brazing alloy that exhibits a melting temperature
in excess of _ *F to retain the integrity of the piping system in the event of fire? A) 800
B) 1000 C)1200 D) 2400 - ✔✔B) 1000
✔✔Which of the following filler metals shall be used to braze copper-to-copper joints in
medical gas and vacuum distribution piping? A) BAg series B) BAa series C) BCuP
series D) DCuP series - ✔✔C) BCuP series
✔✔NFPA 99 requires tubing to be cut using a sharp tubing cutter that shall be free from
grease, oil, and other lubricants not suitable for oxygen service. After cutting, tubing
ends shall be permitted to be _ ? A) filed B) reamed C) re-cleaned D) rolled smooth or
deburred - ✔✔D) rolled smooth or deburred
✔✔Joints shall be brazed within _ hours after surfaces are cleaned for brazing? A) 2 B)
4 C) 8 D) 24 - ✔✔C) 8
✔✔While brazing medical-gas copper joints, a purge gas shall flow continuously to
prevent the formation of copper oxide on the inside surface of the joint. _ shall be used
as a purge gas? A) argon B) any inert gas C) helium D) nitrogen NF - ✔✔D) nitrogen
NF
✔✔To assure that all ambient air has been removed from the pipe line prior to brazing,
a(n) _ shall be used to verify the effectiveness of the purge? A) air analyzer B)
breathalyzer C) nitrogen analyzer D) oxygen analyzer - ✔✔D) oxygen analyzer
✔✔When using the autogenous orbital welding process, joints shall be continuously _
inside and outside with inert gas as qualified with a procedure? A) cleaned B) inspected
C) purged D) welded - ✔✔C) purged
✔✔Which joining method is acceptable on category 1 medical gas and medical-surgical
vacuum distribution pipeline systems? A) axially swaged fittings B) flared and
compression fittings C) pipe-crimping tools D) push fit fittings - ✔✔A) axially swaged
fittings
✔✔Axially swaged fittings that provide a metal to metal seal having pressure and
temperature ratings of a brazed joint when complete are _ shall be permitted to be used
in medical gas piping systems? A) adjustable B) permanent C) removable D)
serviceable - ✔✔B) permanent
✔✔Threaded joints in medical gas and medical-surgical vacuum systems shall be
permitted for all of the following except? A) alarm pressure switches B) check valves in
the main line C) check valves on source equipment D) gauges - ✔✔B) check valves in
the main line
AND QUESTIONS SET A+
✔✔Areas for anesthetizing gas delivery shall have area alarm pressure sensors
installed on the _ side of the individual room zone valve box assembly? A) in B) patient
C) source D) source or patient - ✔✔D) source or patient
✔✔If there is more than one source equipment location in a facility, it shall be necessary
for each location to have separate alarms at the _ panels? A) area B) fire C) master D)
security - ✔✔C) master
✔✔High carbon monoxide levels in a medical air system shall be indicated at each local
alarm. The alarm shall activate at _ ppm or higher? A) 10 B) 20 C) 100 D) 1000 - ✔✔A)
10
✔✔Fittings for positive pressure medical gas systems must be cleaned for oxygen
service by the _ supplier, or other agency prior to installation? A) authority having
jurisdiction B) certifier C) manufacturer D) owner - ✔✔C) manufacturer
✔✔It is the responsibility of the _ to furnish documentation certifying that all installed
piping and materials are cleaned for oxygen service? A) architect B) engineer C)
installer D) verifier - ✔✔C) installer
✔✔Medical-surgical vacuum system piping, when hard-drawn seamless copper tube,
shall be in accordance with any of the following except? A) ASTM B88 B) ASTM B280
C) ASTM B597 D) ASTM B819 - ✔✔C) ASTM B597
✔✔Which of the following piping materials shall be permitted for field installed medical-
surgical vacuum distribution piping systems? A) carbon steel pipe B) galvanized pipe C)
plastic pipe D) stainless steel pipe - ✔✔D) stainless steel pipe
, ✔✔Brazed joints shall be made using a brazing alloy that exhibits a melting temperature
in excess of _ *F to retain the integrity of the piping system in the event of fire? A) 800
B) 1000 C)1200 D) 2400 - ✔✔B) 1000
✔✔Which of the following filler metals shall be used to braze copper-to-copper joints in
medical gas and vacuum distribution piping? A) BAg series B) BAa series C) BCuP
series D) DCuP series - ✔✔C) BCuP series
✔✔NFPA 99 requires tubing to be cut using a sharp tubing cutter that shall be free from
grease, oil, and other lubricants not suitable for oxygen service. After cutting, tubing
ends shall be permitted to be _ ? A) filed B) reamed C) re-cleaned D) rolled smooth or
deburred - ✔✔D) rolled smooth or deburred
✔✔Joints shall be brazed within _ hours after surfaces are cleaned for brazing? A) 2 B)
4 C) 8 D) 24 - ✔✔C) 8
✔✔While brazing medical-gas copper joints, a purge gas shall flow continuously to
prevent the formation of copper oxide on the inside surface of the joint. _ shall be used
as a purge gas? A) argon B) any inert gas C) helium D) nitrogen NF - ✔✔D) nitrogen
NF
✔✔To assure that all ambient air has been removed from the pipe line prior to brazing,
a(n) _ shall be used to verify the effectiveness of the purge? A) air analyzer B)
breathalyzer C) nitrogen analyzer D) oxygen analyzer - ✔✔D) oxygen analyzer
✔✔When using the autogenous orbital welding process, joints shall be continuously _
inside and outside with inert gas as qualified with a procedure? A) cleaned B) inspected
C) purged D) welded - ✔✔C) purged
✔✔Which joining method is acceptable on category 1 medical gas and medical-surgical
vacuum distribution pipeline systems? A) axially swaged fittings B) flared and
compression fittings C) pipe-crimping tools D) push fit fittings - ✔✔A) axially swaged
fittings
✔✔Axially swaged fittings that provide a metal to metal seal having pressure and
temperature ratings of a brazed joint when complete are _ shall be permitted to be used
in medical gas piping systems? A) adjustable B) permanent C) removable D)
serviceable - ✔✔B) permanent
✔✔Threaded joints in medical gas and medical-surgical vacuum systems shall be
permitted for all of the following except? A) alarm pressure switches B) check valves in
the main line C) check valves on source equipment D) gauges - ✔✔B) check valves in
the main line
