MED GAS MOCK EXAM QUESTIONS AND CORRECT ANSWERS
WITH COMPLETE SOLUTIONS | LATEST UPDATE 2026/2027 |
GRADED A+ | 100% VERIFIED.
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 - ANSWERSauthority 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 - ANSWERSunusabl e
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 - ANSWERSMedical air compressor sources
Locations for central supply systems shall have electrical devices protected from
___________.
a.
moisture
b.
unauthorized use
c.
physical damage
d.
freezing temperatures - ANSWERSphysical damage
Mechanical exhaust for central supply locations shall not be more than ____.
a.
50 cfm
b.
72 cfm
c.
100 cfm
d.
500 cfm - ANSWERS500 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% - ANSWERS23.5 %
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 - ANSWERSbalanced
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 - ANSWERSmaster
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 - ANSWERS-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 - ANSWERS1000º F
Manifolds for gas cylinders shall consist of ______ equal headers; each with one
average day's supply, but not fewer than _______ connections.
a.
three - three
b.
four - four
c.
one - one
d.
two - two - ANSWERStwo - two
Manifolds for gas cylinders shall actuate a(n) ___________ signal and shall activate an
indicator at all _______ alarm panels to indicate when or just before changeover from
one header to the other.
a.
area - master
b.
master - area
c.
local - master
d.
master - local - ANSWERSlocal - master
In a medical gas system with emergency reserve, which alarm system(s) will activate
when, or just before, the changeover to the reserve supply occurs?
a.
local
b.
master
c.
area
d.
local and master - ANSWERSmaster
WITH COMPLETE SOLUTIONS | LATEST UPDATE 2026/2027 |
GRADED A+ | 100% VERIFIED.
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 - ANSWERSauthority 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 - ANSWERSunusabl e
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 - ANSWERSMedical air compressor sources
Locations for central supply systems shall have electrical devices protected from
___________.
a.
moisture
b.
unauthorized use
c.
physical damage
d.
freezing temperatures - ANSWERSphysical damage
Mechanical exhaust for central supply locations shall not be more than ____.
a.
50 cfm
b.
72 cfm
c.
100 cfm
d.
500 cfm - ANSWERS500 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% - ANSWERS23.5 %
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 - ANSWERSbalanced
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 - ANSWERSmaster
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 - ANSWERS-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 - ANSWERS1000º F
Manifolds for gas cylinders shall consist of ______ equal headers; each with one
average day's supply, but not fewer than _______ connections.
a.
three - three
b.
four - four
c.
one - one
d.
two - two - ANSWERStwo - two
Manifolds for gas cylinders shall actuate a(n) ___________ signal and shall activate an
indicator at all _______ alarm panels to indicate when or just before changeover from
one header to the other.
a.
area - master
b.
master - area
c.
local - master
d.
master - local - ANSWERSlocal - master
In a medical gas system with emergency reserve, which alarm system(s) will activate
when, or just before, the changeover to the reserve supply occurs?
a.
local
b.
master
c.
area
d.
local and master - ANSWERSmaster
