WS 3 Flashcards
Category 1 medical-surgical vacuum sources shall, at a minimum, consist of _____ or more vacuum pumps.
Two
Category 1 medical-surgical vacuum sources shall consist an automatic means to prevent _____ through any off-cycle vacuum pump.
Backflow
Piping between the vacuum pump(s), discharge(s), receiver(s), and the source shutoff valve, shall be permitted to be brass, galvanized, or black steel pipe. True or false?
True.
Vacuum receivers shall comply with _____ “Unfired Pressure Vessels” of the ASME Boiler and Pressure Vessel Code.
Section VIII
Vacuum receivers shall be capable of withstanding a gauge pressure of ____ psi and _____ gauge HgV.
60; 30
The medical-surgical vacuum receiver shall be Max’s serviceable without shutting down the system by _____.
Any method to ensure continuation of service.
When the medical-surgical vacuum pump(s) in operation is (are) incapable of adequately maintaining the required vacuum, additional pumps shall be _____ activated.
Automatically.
Each pump motor shall be provided with an automatic restart function such that the pump(s) will restart after the power interruption without manual intervention. True or false?
True.
The medical-surgical vacuum pumps shall exhaust in such a manner and location that ____ the hazards of the noise and contamination.
Minimizes.
Medical vacuum exhaust can be located near places of public assembly as long as the end is turned down and screened. True or false?
False.
The medical-surgical vacuum exhaust shall be turned down and screened. The screening shall be fabricated using what type of material?
Any non-corroding material.
Multiple vacuum pumps shall be permitted to be joined together to one common exhaust, provided the common exhaust is sized to ____.
Minimize back pressure
Vacuum exhausts from multiple pumps joined together to one common exhaust, shall be permitted provided each pump can be isolated by _____.
Blind flange
Manual valve
Or check valve.
Category 1 medical-surgical vacuum systems shall activate which alarm, when the backup of lag pump is running?
Local.
What is not permitted to be used for the removal of waste anesthetic gas disposal (WAGD)?
An exhaust hose stuck out a window.
If WAGD is produced by the medical-surgical vacuum source, the total concentration of oxidizers shall be maintained below _____%.
23.6%
A category 1 dedicated WAGD source shall consist of _____ or more producers, each shall be sufficient to serve the peak calculated demand.
Two
The Venturi of a WAGD system shall be driven using ____.
Water
Inert gas
And a dedicated air source.
What source shall not be used to power the venturi of a WAGD system?
Medical air
Vacuum pumps dedicated for WAGD service shall be designed of materials, and using lubricants and sealants that are inert in the presence of ____.
Oxygen
Nitrous oxide
And halogenated anesthetics.
WAGD producers designed for operation at vacuums below ____ HgV shall be used only for WAGD service, and not employed for other services.
5”
If WAGD is joined to vacuum piping, it shall be connected at a minimum distance of _____ from any vacuum inlet.
5’
A WAGD source system shall activate the ____ alarm when the backup or lag producer is running.
Local.
Additional WAGD producers shall be ____ activated when the producer(s) in operation is (are) incapable of maintaining required vacuum.
Automatically.
