MEDICAL GAS 6010 INSTALLERS PRACTICE
FINAL EXAM 2026 QUESTIONS AND
ANSWERS STUDY GUIDE VERIFIED A+
SOLUTIONS
●● 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
FINAL EXAM 2026 QUESTIONS AND
ANSWERS STUDY GUIDE VERIFIED A+
SOLUTIONS
●● 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
