MEDICAL GAS QUESTIONS
100% CORRECT ANSWERS
NEW UPDATE EXAM
receivers for medical air shall be equipped with ____ - THE :>CORRECT ANSWER -relieve
valves, automatic & manual drains, sight glass
medical air filters shall be located immediately upstream of the___ - THE :>CORRECT
ANSWER -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) - THE :>CORRECT
ANSWER -element change indicator
medical air receivers shall be provided with a ____to permit servicing - THE :>CORRECT
ANSWER -three-valve bypass
dryers, filter & regulators shall be at least duplexed. Under normal operation, airflow shall be
divided equally through each device - THE :>CORRECT ANSWER -False
medical air shall be sampled at a _____ NPS valved sample port downstream of the final line
pressure regulator - THE :>CORRECT ANSWER -1/4''
Area alarm panels for medical gas systems shall indicate when line pressure in the area being
monitored increases or decreases by - THE :>CORRECT ANSWER -20%
, Area alarm sensors for vital life support & critical care areas shall be located on which side of
the zone valve box assemblies? - THE :>CORRECT ANSWER -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 - THE :>CORRECT ANSWER -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 - THE :>CORRECT ANSWER -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 - THE :>CORRECT
ANSWER -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. - THE :>CORRECT ANSWER -master
In a bulk cryogenic liquid system when the main supply reaches an average day's supply,
which alarm system shall be activated? - THE :>CORRECT ANSWER -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? - THE :>CORRECT ANSWER
-Master
The master alarm system shall activate when the pressure in the main supply lines increases
or decreases by______ - THE :>CORRECT ANSWER -20%
100% CORRECT ANSWERS
NEW UPDATE EXAM
receivers for medical air shall be equipped with ____ - THE :>CORRECT ANSWER -relieve
valves, automatic & manual drains, sight glass
medical air filters shall be located immediately upstream of the___ - THE :>CORRECT
ANSWER -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) - THE :>CORRECT
ANSWER -element change indicator
medical air receivers shall be provided with a ____to permit servicing - THE :>CORRECT
ANSWER -three-valve bypass
dryers, filter & regulators shall be at least duplexed. Under normal operation, airflow shall be
divided equally through each device - THE :>CORRECT ANSWER -False
medical air shall be sampled at a _____ NPS valved sample port downstream of the final line
pressure regulator - THE :>CORRECT ANSWER -1/4''
Area alarm panels for medical gas systems shall indicate when line pressure in the area being
monitored increases or decreases by - THE :>CORRECT ANSWER -20%
, Area alarm sensors for vital life support & critical care areas shall be located on which side of
the zone valve box assemblies? - THE :>CORRECT ANSWER -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 - THE :>CORRECT ANSWER -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 - THE :>CORRECT ANSWER -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 - THE :>CORRECT
ANSWER -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. - THE :>CORRECT ANSWER -master
In a bulk cryogenic liquid system when the main supply reaches an average day's supply,
which alarm system shall be activated? - THE :>CORRECT ANSWER -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? - THE :>CORRECT ANSWER
-Master
The master alarm system shall activate when the pressure in the main supply lines increases
or decreases by______ - THE :>CORRECT ANSWER -20%
