Medical Gas Questions 100% Correct
Answers New Update Exam
receivers for medical air shall be equipped with ____ - -relieve valves,
automatic & manual drains, sight glass
-medical air filters shall be located immediately upstream of the___ - -final
line regulator
-medical air compressors that are designed to separate the oil-containing
section from the compression chamber shall be provided with a coalescing
filter with a(n) - -element change indicator
-medical air receivers shall be provided with a ____to permit servicing - -
three-valve bypass
-dryers, filter & regulators shall be at least duplexed. Under normal
operation, airflow shall be divided equally through each device - -False
-medical air shall be sampled at a _____ NPS valved sample port downstream
of the final line pressure regulator - -1/4''
-Area alarm panels for medical gas systems shall indicate when line
pressure in the area being monitored increases or decreases by - -20%
-Area alarm sensors for vital life support & critical care areas shall be
located on which side of the zone valve box assemblies? - -Patient room
side, outlet inlet side, downstream side
-A signal from each local alarm shall be connected to the master alarm
panels to indicate that a problem is present with the source equipment - -
true
-A high carbon monoxide level in the medical air system shall indicate at
each local alarm site. At what level shall the alarm activate - -10 ppm or
higher
-fittings for positive pressure medical gas systems must be cleaned for
oxygen service by either the manufacturers supplier or other agency prior to
installation - -true
-the pressure in the main line of each medical gas system, the operation &
condition of the source of supply & the reserve source of supply & the
reserve source (if any), shall be monitored at the _____ alarm. - -master
, -In a bulk cryogenic liquid system when the main supply reaches an average
day's supply, which alarm system shall be activated? - -Master
-In a cylinder supplied medical gas system with reserve, which alarm
system(s) will activate when, or just before, the changeover to reserve
supply occurs? - -Master
-The master alarm system shall activate when the pressure in the main
supply lines increases or decreases by______ - -20%
-The master alarm system shall activate when the main line of the vacuum
system drops to or below _______ - -12 in. Hg
-The medical air dew point high alarm from each compressor site will
indicate at the master alarm panels when the line pressure dew point is
greater than _______ - -+35*F
-threaded joints in medical gas & vacuum distribution piping shall be limited
to ______ - -Gages & sensors
-brazed joints shall be made using a brazing alloy that exhibits a melting
temperature in excess of ______ to retain the integrity of the piping system in
the event fire. - -1000*F
-Which of the following filler metal ..... used to braze copper-to-copper joints
in medical gas/vacuum distribution piping? - -BCuP series
-NFPA 99 requires tubing to be cut square using a sharp tubing cutter that
shall be free from grease, on or other lubricants, & not suitable for oxygen
service . What is required of the tube ends after cutting? - -shall be deburred
-joints shall be brazed within ______ hour after the surfaces are cleaned for
brazing - -1^8
-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. What shall be used as a purge gas? - -Nitrogen NF
-medical air purity for compressor systems shall be analyzed prior to the
source valve being opened. Samples taken at the system sample port for
carbon monoxide shall not exceed _______ - -10 ppm
-Level 2 medical air compressors shall be permitted to be simplex. If duplex
compressor systems are installed in a level 2 facility then the dryer,
aftercoolers, filters & regulators shall be duplexed - -false
Answers New Update Exam
receivers for medical air shall be equipped with ____ - -relieve valves,
automatic & manual drains, sight glass
-medical air filters shall be located immediately upstream of the___ - -final
line regulator
-medical air compressors that are designed to separate the oil-containing
section from the compression chamber shall be provided with a coalescing
filter with a(n) - -element change indicator
-medical air receivers shall be provided with a ____to permit servicing - -
three-valve bypass
-dryers, filter & regulators shall be at least duplexed. Under normal
operation, airflow shall be divided equally through each device - -False
-medical air shall be sampled at a _____ NPS valved sample port downstream
of the final line pressure regulator - -1/4''
-Area alarm panels for medical gas systems shall indicate when line
pressure in the area being monitored increases or decreases by - -20%
-Area alarm sensors for vital life support & critical care areas shall be
located on which side of the zone valve box assemblies? - -Patient room
side, outlet inlet side, downstream side
-A signal from each local alarm shall be connected to the master alarm
panels to indicate that a problem is present with the source equipment - -
true
-A high carbon monoxide level in the medical air system shall indicate at
each local alarm site. At what level shall the alarm activate - -10 ppm or
higher
-fittings for positive pressure medical gas systems must be cleaned for
oxygen service by either the manufacturers supplier or other agency prior to
installation - -true
-the pressure in the main line of each medical gas system, the operation &
condition of the source of supply & the reserve source of supply & the
reserve source (if any), shall be monitored at the _____ alarm. - -master
, -In a bulk cryogenic liquid system when the main supply reaches an average
day's supply, which alarm system shall be activated? - -Master
-In a cylinder supplied medical gas system with reserve, which alarm
system(s) will activate when, or just before, the changeover to reserve
supply occurs? - -Master
-The master alarm system shall activate when the pressure in the main
supply lines increases or decreases by______ - -20%
-The master alarm system shall activate when the main line of the vacuum
system drops to or below _______ - -12 in. Hg
-The medical air dew point high alarm from each compressor site will
indicate at the master alarm panels when the line pressure dew point is
greater than _______ - -+35*F
-threaded joints in medical gas & vacuum distribution piping shall be limited
to ______ - -Gages & sensors
-brazed joints shall be made using a brazing alloy that exhibits a melting
temperature in excess of ______ to retain the integrity of the piping system in
the event fire. - -1000*F
-Which of the following filler metal ..... used to braze copper-to-copper joints
in medical gas/vacuum distribution piping? - -BCuP series
-NFPA 99 requires tubing to be cut square using a sharp tubing cutter that
shall be free from grease, on or other lubricants, & not suitable for oxygen
service . What is required of the tube ends after cutting? - -shall be deburred
-joints shall be brazed within ______ hour after the surfaces are cleaned for
brazing - -1^8
-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. What shall be used as a purge gas? - -Nitrogen NF
-medical air purity for compressor systems shall be analyzed prior to the
source valve being opened. Samples taken at the system sample port for
carbon monoxide shall not exceed _______ - -10 ppm
-Level 2 medical air compressors shall be permitted to be simplex. If duplex
compressor systems are installed in a level 2 facility then the dryer,
aftercoolers, filters & regulators shall be duplexed - -false
