Medical Gas 6010 Installers Practice
Test
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 - ✔✔ correct
answer B) authority having jurisdiction
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct answer D) stainless steel
,Medical Gas 6010 Installers Practice
Test
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 -
✔✔ correct answer B) 3
A(n) _ emergency reserve system can be substituted for the EOSC? A) auxiliary B) backup C) in-
building D) micro-bulk - ✔✔ correct answer C) in-building
, Medical Gas 6010 Installers Practice
Test
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct answer D) 50
Medical air compressor systems shall have an automatic means to prevent _ from all on-cycle
compressors through all off-cycle compressors? A) backfire B) backflow C) back pressure D) backup -
✔✔ correct answer B) backflow
Reciprocating compressors that employ the use of oil can be used for medical air as long as the oil-
containing section is separated from the compression chamber by at least _ seals creating an area
open to the atmosphere? A) 2 B) 3 C) 4 D) 5 - ✔✔ correct answer A) 2
When liquid ring compressors are being used to service water and seal water shall be treated to
control waterborne pathogens and chlorine (from _) from entering the medical air? A) deionization
B) hyperchlorination C) hypochlorination D) ionization - ✔✔ correct answer C) hypochlorination
Aftercoolers shall be provided with individual _ ? A) condensate traps B) flexible connectors C)
pressure indicators D) temperature indicators - ✔✔ correct answer A) condensate traps
Recievers for medical air shall not be equipped with _ ? A) a sight glass B) a temperature indicator C)
automatic and manual drains D) relief valves - ✔✔ correct answer B) a temperature indicator
Medical air filters shall be located immediately upstream (source side) of the _ ? A) aftercoolers B)
final line regulator C) pressure indicator D) reciever - ✔✔ correct answer B) final line regulator
Medical air filters shall be sized for 100% of the system peak calculated demand and be rates for a
minimum of 98% efficiency at _ micron or greater? A) .01 B) 1 C) 5 D) 10 - ✔✔ correct answer B) 1
Test
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 - ✔✔ correct
answer B) authority having jurisdiction
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct answer D) stainless steel
,Medical Gas 6010 Installers Practice
Test
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct 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 -
✔✔ correct answer B) 3
A(n) _ emergency reserve system can be substituted for the EOSC? A) auxiliary B) backup C) in-
building D) micro-bulk - ✔✔ correct answer C) in-building
, Medical Gas 6010 Installers Practice
Test
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 - ✔✔ correct 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 - ✔✔ correct 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 - ✔✔ correct answer D) 50
Medical air compressor systems shall have an automatic means to prevent _ from all on-cycle
compressors through all off-cycle compressors? A) backfire B) backflow C) back pressure D) backup -
✔✔ correct answer B) backflow
Reciprocating compressors that employ the use of oil can be used for medical air as long as the oil-
containing section is separated from the compression chamber by at least _ seals creating an area
open to the atmosphere? A) 2 B) 3 C) 4 D) 5 - ✔✔ correct answer A) 2
When liquid ring compressors are being used to service water and seal water shall be treated to
control waterborne pathogens and chlorine (from _) from entering the medical air? A) deionization
B) hyperchlorination C) hypochlorination D) ionization - ✔✔ correct answer C) hypochlorination
Aftercoolers shall be provided with individual _ ? A) condensate traps B) flexible connectors C)
pressure indicators D) temperature indicators - ✔✔ correct answer A) condensate traps
Recievers for medical air shall not be equipped with _ ? A) a sight glass B) a temperature indicator C)
automatic and manual drains D) relief valves - ✔✔ correct answer B) a temperature indicator
Medical air filters shall be located immediately upstream (source side) of the _ ? A) aftercoolers B)
final line regulator C) pressure indicator D) reciever - ✔✔ correct answer B) final line regulator
Medical air filters shall be sized for 100% of the system peak calculated demand and be rates for a
minimum of 98% efficiency at _ micron or greater? A) .01 B) 1 C) 5 D) 10 - ✔✔ correct answer B) 1
