Medical Gas 6010 Installers Practice Exam | Verified Exam Questions and
Answers | Latest Updated Study Material 2026
Question:
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) architect B) authority having jurisdiction C) engineer D) nursing staff
Answer:
B) authority having jurisdiction
Question:
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
Question:
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
Question:
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
Question:
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
,Question:
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
Question:
Locations for central supply systems shall have _ devices protected from physical damage? A)
electrical B) pressure indicating C) regulating D) relief
Answer:
A)
electrical
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
, Question:
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
Question:
The minimum clearance around EOSC for a temporary source of supply is _ ft? A) 2 B) 3 C) 5
D) 6
Answer:
B) 3
Question:
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
Question:
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
Question:
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
Answers | Latest Updated Study Material 2026
Question:
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) architect B) authority having jurisdiction C) engineer D) nursing staff
Answer:
B) authority having jurisdiction
Question:
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
Question:
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
Question:
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
Question:
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
,Question:
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
Question:
Locations for central supply systems shall have _ devices protected from physical damage? A)
electrical B) pressure indicating C) regulating D) relief
Answer:
A)
electrical
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
Question:
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
, Question:
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
Question:
The minimum clearance around EOSC for a temporary source of supply is _ ft? A) 2 B) 3 C) 5
D) 6
Answer:
B) 3
Question:
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
Question:
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
Question:
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
