Medical Gas Exam | Verified Exam Questions and Answers | Latest
Updated Study Material 2026
Question:
receivers for medical air shall be equipped with
Answer:
relieve
valves, automatic & manual drains, sight glass
Question:
medical air filters shall be located immediately upstream of the
Answer:
final line regulator
Question:
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)
Answer:
element change indicator
Question:
medical air receivers shall be provided with a to permit servicing
Answer:
three-valve bypass
Question:
dryers, filter & regulators shall be at least duplexed. Under normal operation, airflow shall be
divided equally through each device
Answer:
False
Question:
medical air shall be sampled at a NPS valved sample port downstream of the final line
pressure regulator
,Answer:
1/4''
Question:
Area alarm panels for medical gas systems shall indicate when line pressure in the area being
monitored increases or decreases by
Answer:
20%
Question:
Area alarm sensors for vital life support & critical care areas shall be located on which side of
the zone valve box assemblies?
Answer:
Patient room side, outlet inlet
side, downstream side
Question:
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
Answer:
true
Question:
A high carbon monoxide level in the medical air system shall indicate at each local alarm site. At
what level shall the alarm activate
Answer:
10 ppm or higher
Question:
fittings for positive pressure medical gas systems must be cleaned for oxygen service by either
the manufacturers supplier or other agency prior to installation
Answer:
true
, Question:
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.
Answer:
master
Question:
In a bulk cryogenic liquid system when the main supply reaches an average day's supply, which
alarm system shall be activated?
Answer:
Master
Question:
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?
Answer:
Master
Question:
The master alarm system shall activate when the pressure in the main supply lines increases or
decreases by
Answer:
20%
Question:
The master alarm system shall activate when the main line of the vacuum system drops to or
below
Answer:
12 in. Hg
Question:
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
Answer:
+35*F
Updated Study Material 2026
Question:
receivers for medical air shall be equipped with
Answer:
relieve
valves, automatic & manual drains, sight glass
Question:
medical air filters shall be located immediately upstream of the
Answer:
final line regulator
Question:
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)
Answer:
element change indicator
Question:
medical air receivers shall be provided with a to permit servicing
Answer:
three-valve bypass
Question:
dryers, filter & regulators shall be at least duplexed. Under normal operation, airflow shall be
divided equally through each device
Answer:
False
Question:
medical air shall be sampled at a NPS valved sample port downstream of the final line
pressure regulator
,Answer:
1/4''
Question:
Area alarm panels for medical gas systems shall indicate when line pressure in the area being
monitored increases or decreases by
Answer:
20%
Question:
Area alarm sensors for vital life support & critical care areas shall be located on which side of
the zone valve box assemblies?
Answer:
Patient room side, outlet inlet
side, downstream side
Question:
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
Answer:
true
Question:
A high carbon monoxide level in the medical air system shall indicate at each local alarm site. At
what level shall the alarm activate
Answer:
10 ppm or higher
Question:
fittings for positive pressure medical gas systems must be cleaned for oxygen service by either
the manufacturers supplier or other agency prior to installation
Answer:
true
, Question:
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.
Answer:
master
Question:
In a bulk cryogenic liquid system when the main supply reaches an average day's supply, which
alarm system shall be activated?
Answer:
Master
Question:
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?
Answer:
Master
Question:
The master alarm system shall activate when the pressure in the main supply lines increases or
decreases by
Answer:
20%
Question:
The master alarm system shall activate when the main line of the vacuum system drops to or
below
Answer:
12 in. Hg
Question:
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
Answer:
+35*F
