Medical Gas Class
Category 1 medical -surgical vacuum sources shall, at minimum, consist of ______ or
more vacuum pumps - answer Two
Category 1 medical surgical vacuum sources shall consist of an automatic means too
prevent _____ through any off -cycle vacuum pump - answer Backflow
Piping between the vacuum pump and the source shutoff valve shall be permitted to be
stainless, galvanized, or black steel pipe - answer True
Vacuum receiver shall be capable of withstanding a gauge vacuum of ______ of
mercury - answer30"
The medical surgical vacuum receiver shall be made serviceable without shutting down
the system by _______ - answer Any method to ensure continuation service
When the medical surgical I'm an operation is incapable of adequately maintaining a
required vacuum, additional pump shall be _______ activated - answer automatically
The medical surgical vacuum exhaust shall be turned down and screened. The
screened shall be fabricated using what type of material? - answer Any non-corroding
material
Multiple vacuum pumps shall be permitted to be join together to come one common
exhaust provided the common exhaust is size to ______. - answer Minimize back
pressure
Vacuum exhaust from multiple pumps join together to one common exhaust shall be
permitted provided each pump can be isolated by a _____. - answerBlind flange,
manual valve, check valve
Category 1 medical-surgical vacuum systems shall activate which alarm when the
backup or lag pump is running? - answerLocal
A level 1 dedicated WAGD source shall consist of ______ or more producers, each
shall be sufficient to serve the peak calculated demand. - answerTwo
What source shall not be used to power the venturi of a WAGD system? -
answerMedical air
WAGD vacuum producers designed for operation at vacuums below ____ Hg/V shall be
used only for WAGD service and not employed for other services. - answer5"
, A WAGD source system shall activate the ____ alarm when the backup or lag producer
is running. - answerLocal
Additional WAGD producers shall be ________ activated when the producer(s) in
operation is incapable of maintaining required vacuum. - answerAutomatically
Medical air supply systems shall be required to _____. - answerMeet the requirements
of medical air USP, have no detectable liquid hydrocarbons, have less than 25 ppm
gaseous hydrocarbons
Medical air sources shall be used only for _____. - answerHuman respiratory
applications
Medical air compressor systems shall have a(n) ______ means to prevent back flow
through all off-cycle compressors - answerAutomatic
True - answerAn existing system that is not in strict compliance with the provisions of
this standard shall be permitted to be continued in use as long as the authority having
jurisdiction has determined that such use does not constitute a distinct hazard to life
True - answerCylinder and cryogenic liquid container outlet connections shall be
designed as to render the attachment point unusable when removal of the outlet
connection is attempted
Medical air sources - answerWhich of the following systems shall not be permitted to be
located in an indoor enclosure
Engines, kitchens, and anesthizing locations - answerIndoor locations for oxygen,
nitrous oxide and mixtures of these gases shall not communicate with ______ locations.
130 degree F - answerCylinders in use and in storage shall be prevented from reaching
temperatures in excess of ______.
True - answerLocations for central supply systems shall have electrical devices
protected from physical damage.
True - answerVentilation requirements shall not be less than 50 cfm for mechanical
ventilation.
72 sq. in. - answerLouvered openings for natural ventilation shall have a minimum free
area of _____.
Balanced - answerFinal line pressure regulators, when used for bulk cryogenic liquid
systems shall be of a _______ design.
Category 1 medical -surgical vacuum sources shall, at minimum, consist of ______ or
more vacuum pumps - answer Two
Category 1 medical surgical vacuum sources shall consist of an automatic means too
prevent _____ through any off -cycle vacuum pump - answer Backflow
Piping between the vacuum pump and the source shutoff valve shall be permitted to be
stainless, galvanized, or black steel pipe - answer True
Vacuum receiver shall be capable of withstanding a gauge vacuum of ______ of
mercury - answer30"
The medical surgical vacuum receiver shall be made serviceable without shutting down
the system by _______ - answer Any method to ensure continuation service
When the medical surgical I'm an operation is incapable of adequately maintaining a
required vacuum, additional pump shall be _______ activated - answer automatically
The medical surgical vacuum exhaust shall be turned down and screened. The
screened shall be fabricated using what type of material? - answer Any non-corroding
material
Multiple vacuum pumps shall be permitted to be join together to come one common
exhaust provided the common exhaust is size to ______. - answer Minimize back
pressure
Vacuum exhaust from multiple pumps join together to one common exhaust shall be
permitted provided each pump can be isolated by a _____. - answerBlind flange,
manual valve, check valve
Category 1 medical-surgical vacuum systems shall activate which alarm when the
backup or lag pump is running? - answerLocal
A level 1 dedicated WAGD source shall consist of ______ or more producers, each
shall be sufficient to serve the peak calculated demand. - answerTwo
What source shall not be used to power the venturi of a WAGD system? -
answerMedical air
WAGD vacuum producers designed for operation at vacuums below ____ Hg/V shall be
used only for WAGD service and not employed for other services. - answer5"
, A WAGD source system shall activate the ____ alarm when the backup or lag producer
is running. - answerLocal
Additional WAGD producers shall be ________ activated when the producer(s) in
operation is incapable of maintaining required vacuum. - answerAutomatically
Medical air supply systems shall be required to _____. - answerMeet the requirements
of medical air USP, have no detectable liquid hydrocarbons, have less than 25 ppm
gaseous hydrocarbons
Medical air sources shall be used only for _____. - answerHuman respiratory
applications
Medical air compressor systems shall have a(n) ______ means to prevent back flow
through all off-cycle compressors - answerAutomatic
True - answerAn existing system that is not in strict compliance with the provisions of
this standard shall be permitted to be continued in use as long as the authority having
jurisdiction has determined that such use does not constitute a distinct hazard to life
True - answerCylinder and cryogenic liquid container outlet connections shall be
designed as to render the attachment point unusable when removal of the outlet
connection is attempted
Medical air sources - answerWhich of the following systems shall not be permitted to be
located in an indoor enclosure
Engines, kitchens, and anesthizing locations - answerIndoor locations for oxygen,
nitrous oxide and mixtures of these gases shall not communicate with ______ locations.
130 degree F - answerCylinders in use and in storage shall be prevented from reaching
temperatures in excess of ______.
True - answerLocations for central supply systems shall have electrical devices
protected from physical damage.
True - answerVentilation requirements shall not be less than 50 cfm for mechanical
ventilation.
72 sq. in. - answerLouvered openings for natural ventilation shall have a minimum free
area of _____.
Balanced - answerFinal line pressure regulators, when used for bulk cryogenic liquid
systems shall be of a _______ design.
