Medical Gas Mock Exam – EXAM STUDY GUIDE
2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS || 100%
GUARANTEED PASS
an existing system that is not in strict compliance with the provisions of this code shall be
permitted to be continued in use as long as the _______ has determined that such use does
not constitute a distinct hazard to life.
a.
authority having jurisdiction
b.
architect
c.
nursing staff
d.
engineer
authority having jurisdiction
Cylinder and cryogenic liquid container outlet connections shall be affixed in such a manner as
to be integral to the valve, unremovable with ordinary tools or so designed as to render the
attachment point ________ when removal of the outlet connection is attempted.
a.
unusable
b.
unsuitable
c.
universal
d.
reusable
unusable
Which of the following systems shall not be permitted to be located in an outdoor enclosure?
a.
Bulk cryogenic liquid systems
,b.
Manifolds for gas cylinders
c.
Manifolds for cryogenic liquid containers
d.
Medical air compressor sources
Medical air compressor sources
What is required of the alarm system if another alarm condition occurs while the audible
alarm is manually silenced?
a.
Nothing, the visual indicator is still active
b.
The visual indicator must blink
c.
The audible signal will beep
d.
Re-initiation of the audible signal
.
Re-initiation of the audible signal
Cylinders in use and in storage shall be prevented from reaching temperatures in excess of
____________.
a.
120ºF
b.
125ºF
c.
130ºF
d.
150ºF
125ºF
Locations for central supply systems shall have electrical devices protected from
___________.
a.
moisture
b.
,unauthorized use
c.
physical damage
d.
freezing temperatures
physical damage
Mechanical exhaust for central supply locations shall not be more than ____.
a.
50 cfm
b.
72 cfm
c.
100 cfm
d.
500 cfm
500 cfm
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to total
concentration of oxygen exceeds _______ by volume.
a.
23.5%
b.
23.6%
c.
19.5%
d.
93%
23.5%
Final line pressure regulators, when used for bulk cryogenic liquid systems shall be of a
________ design.
a.
straight through
b.
parallel
c.
balanced
, d.
none of the above
balanced
The pressure in the main line of each medical gas system, the operation and condition of the
source of supply and the reserve source (if any) shall be monitored at the _______ alarm
a.
local
b.
area
c.
master
d.
all of the above
master
The instrument 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 _______.
a.
-39ºF
b.
-22ºF
c.
-44ºF
d.
-32ºF
-22ºF
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 of fire.
a.
800º F
b.
1000º F
c.
1200º F
d.
2400º F
2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS || 100%
GUARANTEED PASS
an existing system that is not in strict compliance with the provisions of this code shall be
permitted to be continued in use as long as the _______ has determined that such use does
not constitute a distinct hazard to life.
a.
authority having jurisdiction
b.
architect
c.
nursing staff
d.
engineer
authority having jurisdiction
Cylinder and cryogenic liquid container outlet connections shall be affixed in such a manner as
to be integral to the valve, unremovable with ordinary tools or so designed as to render the
attachment point ________ when removal of the outlet connection is attempted.
a.
unusable
b.
unsuitable
c.
universal
d.
reusable
unusable
Which of the following systems shall not be permitted to be located in an outdoor enclosure?
a.
Bulk cryogenic liquid systems
,b.
Manifolds for gas cylinders
c.
Manifolds for cryogenic liquid containers
d.
Medical air compressor sources
Medical air compressor sources
What is required of the alarm system if another alarm condition occurs while the audible
alarm is manually silenced?
a.
Nothing, the visual indicator is still active
b.
The visual indicator must blink
c.
The audible signal will beep
d.
Re-initiation of the audible signal
.
Re-initiation of the audible signal
Cylinders in use and in storage shall be prevented from reaching temperatures in excess of
____________.
a.
120ºF
b.
125ºF
c.
130ºF
d.
150ºF
125ºF
Locations for central supply systems shall have electrical devices protected from
___________.
a.
moisture
b.
,unauthorized use
c.
physical damage
d.
freezing temperatures
physical damage
Mechanical exhaust for central supply locations shall not be more than ____.
a.
50 cfm
b.
72 cfm
c.
100 cfm
d.
500 cfm
500 cfm
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to total
concentration of oxygen exceeds _______ by volume.
a.
23.5%
b.
23.6%
c.
19.5%
d.
93%
23.5%
Final line pressure regulators, when used for bulk cryogenic liquid systems shall be of a
________ design.
a.
straight through
b.
parallel
c.
balanced
, d.
none of the above
balanced
The pressure in the main line of each medical gas system, the operation and condition of the
source of supply and the reserve source (if any) shall be monitored at the _______ alarm
a.
local
b.
area
c.
master
d.
all of the above
master
The instrument 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 _______.
a.
-39ºF
b.
-22ºF
c.
-44ºF
d.
-32ºF
-22ºF
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 of fire.
a.
800º F
b.
1000º F
c.
1200º F
d.
2400º F
