MED GAS EXAM PREP QUESTIONS AND
ANSWERS FULL SOLUTION VIEW
●● 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
Answer: 30"
●● 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
_____.
Answer: Blind flange, manual valve, check valve
●● Category 1 medical-surgical vacuum systems shall activate which
alarm when the backup or lag pump is running?
Answer: Local
●● A level 1 dedicated WAGD source shall consist of ______ or more
producers, each shall be sufficient to serve the peak calculated demand.
Answer: Two
,●● What source shall not be used to power the venturi of a WAGD
system?
Answer: Medical 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.
Answer: 5"
●● A WAGD source system shall activate the ____ alarm when the
backup or lag producer is running.
Answer: Local
●● Additional WAGD producers shall be ________ activated when the
producer(s) in operation is incapable of maintaining required vacuum.
Answer: Automatically
●● Medical air supply systems shall be required to _____.
Answer: Meet 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 _____.
Answer: Human respiratory applications
, ●● Medical air compressor systems shall have a(n) ______ means to
prevent back flow through all off-cycle compressors
Answer: Automatic
●● True
Answer: An 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
Answer: Cylinder 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
Answer: Which of the following systems shall not be permitted to be
located in an indoor enclosure
●● Engines, kitchens, and anesthizing locations
Answer: Indoor locations for oxygen, nitrous oxide and mixtures of
these gases shall not communicate with ______ locations.
●● 130 degree F
ANSWERS FULL SOLUTION VIEW
●● 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
Answer: 30"
●● 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
_____.
Answer: Blind flange, manual valve, check valve
●● Category 1 medical-surgical vacuum systems shall activate which
alarm when the backup or lag pump is running?
Answer: Local
●● A level 1 dedicated WAGD source shall consist of ______ or more
producers, each shall be sufficient to serve the peak calculated demand.
Answer: Two
,●● What source shall not be used to power the venturi of a WAGD
system?
Answer: Medical 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.
Answer: 5"
●● A WAGD source system shall activate the ____ alarm when the
backup or lag producer is running.
Answer: Local
●● Additional WAGD producers shall be ________ activated when the
producer(s) in operation is incapable of maintaining required vacuum.
Answer: Automatically
●● Medical air supply systems shall be required to _____.
Answer: Meet 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 _____.
Answer: Human respiratory applications
, ●● Medical air compressor systems shall have a(n) ______ means to
prevent back flow through all off-cycle compressors
Answer: Automatic
●● True
Answer: An 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
Answer: Cylinder 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
Answer: Which of the following systems shall not be permitted to be
located in an indoor enclosure
●● Engines, kitchens, and anesthizing locations
Answer: Indoor locations for oxygen, nitrous oxide and mixtures of
these gases shall not communicate with ______ locations.
●● 130 degree F
