MED GAS MOCK EXAM QUESTIONS
& ANSWERS(RATED A+)
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 - ANSWERauthority 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 - ANSWERunusable
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 - ANSWERMedical 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 - ANSWER.
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 - ANSWER125ºF
Locations for central supply systems shall have electrical devices protected from
___________.
a.
moisture
b.
unauthorized use
c.
physical damage
d.
freezing temperatures - ANSWERphysical damage
Mechanical exhaust for central supply locations shall not be more than ____.
a.
50 cfm
b.
72 cfm
c.
100 cfm
d.
500 cfm - ANSWER500 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% - ANSWER23.5%
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 - ANSWERbalanced
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 - ANSWERmaster
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 - ANSWER-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 - ANSWER1000º 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 - ANSWERtwo - 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 - ANSWERlocal - 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 - ANSWERmaster
The gas produced by evaporation from the secondary header in a cryogenic liquid
container system shall enter the supply system __________ of the final line
regulator.
a.
upstream of the filter
b.
upstream
c.
downstream
d.
not required - ANSWERupstream
A facility is in the planning stages of installing an emergency oxygen supply
connection (EOSC). How many feet is the minimum clearance around this
connection ?
a.
& ANSWERS(RATED A+)
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 - ANSWERauthority 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 - ANSWERunusable
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 - ANSWERMedical 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 - ANSWER.
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 - ANSWER125ºF
Locations for central supply systems shall have electrical devices protected from
___________.
a.
moisture
b.
unauthorized use
c.
physical damage
d.
freezing temperatures - ANSWERphysical damage
Mechanical exhaust for central supply locations shall not be more than ____.
a.
50 cfm
b.
72 cfm
c.
100 cfm
d.
500 cfm - ANSWER500 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% - ANSWER23.5%
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 - ANSWERbalanced
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 - ANSWERmaster
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 - ANSWER-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 - ANSWER1000º 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 - ANSWERtwo - 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 - ANSWERlocal - 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 - ANSWERmaster
The gas produced by evaporation from the secondary header in a cryogenic liquid
container system shall enter the supply system __________ of the final line
regulator.
a.
upstream of the filter
b.
upstream
c.
downstream
d.
not required - ANSWERupstream
A facility is in the planning stages of installing an emergency oxygen supply
connection (EOSC). How many feet is the minimum clearance around this
connection ?
a.
