MEDICAL GAS 6010 INSTALLERS EXAM
2026 FINAL PAPER DELIVERING FULLY
SOLVED CONTENT
◉Cylinder and cryogenic liquid container outlet connections shall be
designed as to render the attachment point _ when removal of the
outlet connection is attempted. A) reusable B) unusable C)
unsuitable D) universal. Answer: B) unusable
◉Cylinders in use and in storage shall be prevented from reaching
temperatures in excess of _ *F. A) 120 B) 125 C) 130 D) 135. Answer:
B) 125
◉Nitrous oxide and carbon dioxide using cylinders or portable
containers shall be prevented from reaching temperatures lower
than _ *F A) 130 B)125 C) 20 D) -20. Answer: C)20
◉Which of the following systems shall not be permitted to be
located in an outdoor enclosure? A) bulk cryogenic liquid cylinders
B) manifolds for gas cylinders C) manifolds for cryogenic liquid
containers D) medical air sources. Answer: D) medical air sources
,◉Indoor locations for oxygen, nitrous oxide, and mixtures of these
gases shall not communicate with any of the following except _? A)
area with open flames B) designated storage area C) engines D)
kitchens. Answer: B) designated storage area
◉Locations for central supply systems shall have _ devices protected
from physical damage? A) electrical B) pressure indicating C)
regulating D) relief. Answer: A) electrical
◉Outdoor locations surrounded by impermeable walls, except fire
barrier walls, shall have protected ventilation openings at the _ of
each wall to allow free circulation of air within the enclosure? A)
base B) corner) C) middle D) top. Answer: A) base
◉All positive pressure supply systems shall be provided with duplex
line pressure regulators piped in _? A) circuit B) loop C) parallel D)
series. Answer: C) parallel
◉All pressure relief valves shall be made of brass, bronze, or _? A)
carbon steel B) cast iron C) copper D) stainless steel. Answer: D)
stainless steel
◉Central supply systems for positive pressure gases shall have one
or more relief valves, the valves shall have a relief setting that is _%
above normal working operating pressure? A) 30 B) 40 C) 50 D) 60.
Answer: C) 50
,◉When vented to the outside, relief valve vent lines shall be labeled
in which way? A) adhesive markers B) any manner that will
distinguish them from the medical gas pipeline C) stenciling D)
stickers. Answer: B) any manner that will distinguish them from the
medical gas pipeline
◉An auxiliary source connection shall consist of all of the following
except? A) removable plug or cap B) tee C) valve D) visual pressure
indicator. Answer: D) visual pressure indicator
◉In central supply systems using gas or liquid cylinders, each
header shall have a _ to prevent debris from entering the manifold
controls? A) check valve B) filter C) monitor D) relief valve. Answer:
B) filter
◉Manifolds for gas cylinders shall consist of two equal headers, each
with enough cylinders for an average day's supply, but not fewer
than _ connections? A) 5 B) 4 C) 3 D) 2. Answer: D) 2
◉Manifolds for gas cylinders shall have a(n) _ signal that visibly
indicates the operating status of the equipment and shall activate an
indicator at all master alarm panels when or just before changeover
from one header to the other takes place? A) area B) master C) local
D) zone. Answer: C) local
, ◉When multiple buildings are served from a single cryogenic liquid
oxygen source, it is required to place the emergency oxygen supply
connection in _ ? A) each building served B) the building closest to
the source C) the largest building served D) the main building only.
Answer: A) each building served
◉The minimum clearance around EOSC for a temporary source of
supply is _ ft? A) 2 B) 3 C) 5 D) 6. Answer: B) 3
◉A(n) _ emergency reserve system can be substituted for the EOSC?
A) auxiliary B) backup C) in-building D) micro-bulk. Answer: C) in-
building
◉The quality medical air shall comply with all of the following
standards except? A) be filtered to .01 microns B) have less than 25
ppm gaseous hydrocarbons C) have no detectable hydrocarbons D)
meet the requirements of medical air USP. Answer: A) be filtered to
.01 microns
◉Medical air sources shall only be used for _ ? A) air-operating
devices B) human respiratory applications C) instrument air D)
WAGD. Answer: B) human respiratory applications
◉Medical air compressor systems shall have a pressure relief valve
set at _ percent above line pressure? A) 20 B) 30 C) 40 D) 50.
Answer: D) 50
2026 FINAL PAPER DELIVERING FULLY
SOLVED CONTENT
◉Cylinder and cryogenic liquid container outlet connections shall be
designed as to render the attachment point _ when removal of the
outlet connection is attempted. A) reusable B) unusable C)
unsuitable D) universal. Answer: B) unusable
◉Cylinders in use and in storage shall be prevented from reaching
temperatures in excess of _ *F. A) 120 B) 125 C) 130 D) 135. Answer:
B) 125
◉Nitrous oxide and carbon dioxide using cylinders or portable
containers shall be prevented from reaching temperatures lower
than _ *F A) 130 B)125 C) 20 D) -20. Answer: C)20
◉Which of the following systems shall not be permitted to be
located in an outdoor enclosure? A) bulk cryogenic liquid cylinders
B) manifolds for gas cylinders C) manifolds for cryogenic liquid
containers D) medical air sources. Answer: D) medical air sources
,◉Indoor locations for oxygen, nitrous oxide, and mixtures of these
gases shall not communicate with any of the following except _? A)
area with open flames B) designated storage area C) engines D)
kitchens. Answer: B) designated storage area
◉Locations for central supply systems shall have _ devices protected
from physical damage? A) electrical B) pressure indicating C)
regulating D) relief. Answer: A) electrical
◉Outdoor locations surrounded by impermeable walls, except fire
barrier walls, shall have protected ventilation openings at the _ of
each wall to allow free circulation of air within the enclosure? A)
base B) corner) C) middle D) top. Answer: A) base
◉All positive pressure supply systems shall be provided with duplex
line pressure regulators piped in _? A) circuit B) loop C) parallel D)
series. Answer: C) parallel
◉All pressure relief valves shall be made of brass, bronze, or _? A)
carbon steel B) cast iron C) copper D) stainless steel. Answer: D)
stainless steel
◉Central supply systems for positive pressure gases shall have one
or more relief valves, the valves shall have a relief setting that is _%
above normal working operating pressure? A) 30 B) 40 C) 50 D) 60.
Answer: C) 50
,◉When vented to the outside, relief valve vent lines shall be labeled
in which way? A) adhesive markers B) any manner that will
distinguish them from the medical gas pipeline C) stenciling D)
stickers. Answer: B) any manner that will distinguish them from the
medical gas pipeline
◉An auxiliary source connection shall consist of all of the following
except? A) removable plug or cap B) tee C) valve D) visual pressure
indicator. Answer: D) visual pressure indicator
◉In central supply systems using gas or liquid cylinders, each
header shall have a _ to prevent debris from entering the manifold
controls? A) check valve B) filter C) monitor D) relief valve. Answer:
B) filter
◉Manifolds for gas cylinders shall consist of two equal headers, each
with enough cylinders for an average day's supply, but not fewer
than _ connections? A) 5 B) 4 C) 3 D) 2. Answer: D) 2
◉Manifolds for gas cylinders shall have a(n) _ signal that visibly
indicates the operating status of the equipment and shall activate an
indicator at all master alarm panels when or just before changeover
from one header to the other takes place? A) area B) master C) local
D) zone. Answer: C) local
, ◉When multiple buildings are served from a single cryogenic liquid
oxygen source, it is required to place the emergency oxygen supply
connection in _ ? A) each building served B) the building closest to
the source C) the largest building served D) the main building only.
Answer: A) each building served
◉The minimum clearance around EOSC for a temporary source of
supply is _ ft? A) 2 B) 3 C) 5 D) 6. Answer: B) 3
◉A(n) _ emergency reserve system can be substituted for the EOSC?
A) auxiliary B) backup C) in-building D) micro-bulk. Answer: C) in-
building
◉The quality medical air shall comply with all of the following
standards except? A) be filtered to .01 microns B) have less than 25
ppm gaseous hydrocarbons C) have no detectable hydrocarbons D)
meet the requirements of medical air USP. Answer: A) be filtered to
.01 microns
◉Medical air sources shall only be used for _ ? A) air-operating
devices B) human respiratory applications C) instrument air D)
WAGD. Answer: B) human respiratory applications
◉Medical air compressor systems shall have a pressure relief valve
set at _ percent above line pressure? A) 20 B) 30 C) 40 D) 50.
Answer: D) 50
