Pregunta 1
Pregunta
Run-outs from horizontal mains or branches shall be taken off ___ the centerline of the pipeline
Respuesta
-
Above
-
Below
-
At
-
Any of the above
Pregunta 2
Pregunta
While brazing medical gas copper joints, a purge gas shall flow continuously to prevent the formation of copper oxide on the inside surface of the joint. What shall be used as a purge gas?
Respuesta
-
Oil Free Dry Argon MD
-
Oil Free Dry Helium NF
-
Oil Free Dry Nitrogen NF
-
Any Inert Gas
Pregunta 3
Pregunta
Which of the following filler metals shall be used to braze copper to copper joints in medical gas/vacuum distribution piping?
Respuesta
-
BAg Series
-
BAu Series
-
BCup Series
-
BNi Series
Pregunta 4
Pregunta
Tubing for positive pressure medical gas systems delivered from the manufacturer shall be _____
Pregunta 5
Pregunta
In positive pressure systems area alarm sensors for vital life support and critical care areas shall be located on which side of the zone valve box assemblies.
Respuesta
-
Patient side
-
Outlet/Inlets side
-
Downstream side
-
All of the above
Pregunta 6
Pregunta
The master alarm systems shall activate when the pressure in the main supply lines increase or decrease by _____ percent.
Pregunta 7
Pregunta
All medical gas alarm system shall have a _______ audible indication for each conditioned monitor
Respuesta
-
Adjustable
-
Cancelable
-
Optionable
-
All of the above
Pregunta 8
Pregunta
The master alarm systems shall consists of two or more alarm panels, a centralized computer system shall not be permitted to be used as a substitute for one of the required master alarm panels.
Pregunta 9
Pregunta
Since dew point and carbon monoxide monitors are located upstream of the source valve, demand check fittings are not required.
Pregunta 10
Pregunta
Where shall pressure indicators be provided for medical gas systems.
Pregunta 11
Pregunta
The scale range of positive pressure analog indicators shall have the normal reading fall within the ___ percentage of the gauge scale
Pregunta 12
Pregunta
Station inlets for WAGD service shall be legibly marked to identify them and shall be of a type appropriate for the flow and vacuum level required by the facility gas anesthetic machine.
Pregunta 13
Pregunta
The factory installed tubing on station outlets/inlets shall extend no further than ____ from the body of the terminal
Pregunta 14
Pregunta
Each station outlet/inlet for medical gas or vacuum shall be ____
Respuesta
-
Interchangeable
-
Gas-specific
-
Threaded
-
Quick-coupler
Pregunta 15
Pregunta
What is name given to the shutoff valve installed on all lateral branch piping form a main or riser?
Pregunta 16
Pregunta
A shutoff valve shall be placed at the immediate connection of each source system to the distribution piping system. What is the name given to the valve?
Respuesta
-
Main
-
Supply
-
Source
-
Isolation
Pregunta 17
Pregunta
All valves except zone valve box assemblies shall be
Respuesta
-
In a secured areas
-
locked or latched
-
Labeled appropriately
-
All of the above
Pregunta 18
Pregunta
Where instrument air system are provided with standby headers
Pregunta 19
Pregunta
What is the minimum number of compressor required in an instrument air system that employs a standby headers?
Pregunta 20
Pregunta
Instrument air system shall be permitted to interconnect with medical air systems that have at least two or more compressors.
Pregunta 21
Pregunta
The quality of the instruments air shall be ___.
Pregunta 22
Pregunta
A level 1 dedicated WAGD source shall consist of ____or more producers, each shall be sufficient to serve the peak calculated demand.
Respuesta
-
one
-
Two
-
Three
-
All of the above
Pregunta 23
Pregunta
Vacuum receivers shall be capable of withstanding a gauge vacuum of ____ inches of mercury.
Respuesta
-
29
-
29.9
-
30
-
All of the above
Pregunta 24
Pregunta
Level 1 medical-surgical vacuum sources shall consist of an automatic means to prevent ____ through any of-cycle vacuum pump.
Respuesta
-
Pressure loss
-
Back pressure
-
Backflow
-
All of the above
Pregunta 25
Pregunta
Carbon monoxide shall activate the required alarms when the CO level exceeds ____.
Respuesta
-
5 ppm
-
10 ppm
-
15 ppm
-
20 ppm
Pregunta 26
Pregunta
Where charcoal filters are required, a color-metric hydrocarbon indicator shall be provided.
Pregunta 27
Pregunta
Where liquid ring compressors are used, air receivers shall be equipped with a high water level sensor that activates a ____alarm indicator.
Respuesta
-
Master
-
Area
-
Local
-
All of the above
Pregunta 28
Pregunta
The compressor air intakes shall be located outdoors above roof level at a minimum distance of ____ above ground.
Pregunta 29
Pregunta
Where medical air piping systems at different operating air pressures are required, the piping shall separate after the _____.
Respuesta
-
Filters
-
Final regulators
-
Riser valves
-
Source Valve
Pregunta 30
Pregunta
If dryers, filters and regulators are sized to serve the peak calculated demand, they shall not be duplexed.
Pregunta 31
Pregunta
Level 1 Medical air compressors shall be sized to served the peak calculated demand and in no case shall there be fewer than ____ compressors.
Pregunta 32
Pregunta
Receivers for medical air shall be equipped with ____.
Pregunta 33
Pregunta
______ connectors shall connect the air compressors with their intake and outlet piping.
Respuesta
-
Anti-vibration
-
Dielectric
-
Insulated
-
Flexible
Pregunta 34
Pregunta
Compressors for medical air shall be designed to prevent introduction of contaminants or liquid into the piping systems.
Pregunta 35
Pregunta
Medical air sources shall be used only for ____and calibration of medical respiratory devices.
Respuesta
-
Human respiration
-
Air-operating device
-
Instrument air
-
All of the above
Pregunta 36
Pregunta
Where the bulk cryogenic liquid oxygen supply systems is outside of and remote from the building served a ___connection shall be installed.
Respuesta
-
Maintenance cleanout
-
Refilling
-
Emergency oxygen supply
-
All of the above
Pregunta 37
Pregunta
An in building emergency reserve system can be substituted for the EOSC.
Pregunta 38
Pregunta
Bulk cryogenic liquid system site shall have allowance for at least ___ of clearance around storage container, vaporizer and the pressure regulating manifold.
Pregunta 39
Pregunta
Installers of bulk cryogenic liquid systems shall be qualified to meet CGA M-1 Standard, Guide for Medical Gas Installations at Consumer Sites.
Pregunta 40
Pregunta
manifolds for cryogenic liquid cylinder shall indicate when or at a predetermined set point before the reserve contents fall to one day's average supply, indicating ____.
Respuesta
-
Reserve is in use
-
Primary empty
-
Secondary empty
-
Reserve low
Pregunta 41
Pregunta
Manifolds for cryogenic liquid cylinders shall consist of ____ equal headers, each having sufficient number of liquid containers for an average day's supply.
Pregunta 42
Pregunta
Manifolds for gas cylinders without reserve shall consist of ____ equal headers, each with an average days supply, but not fewer than ____ connections.
Respuesta
-
Four-four
-
Three-three
-
Two-two
-
One-one
Pregunta 43
Pregunta
Relief valves shall be vented to the ____, except compressed air systems having less than 3000 cu ft at STP
Respuesta
-
Floor
-
Sewer Drain
-
Back into the systems
-
Outside
Pregunta 44
Pregunta
All pressure relief valve shall be made of brass, bronze or ___.
Respuesta
-
Stainless
-
Carbon steel
-
Cast Iron
-
Copper
Pregunta 45
Pregunta
Louvered openings for natural ventilation shall have a minimum free area of ___.
Respuesta
-
60 sq in
-
62 sq in
-
70 sq in
-
72 sq in
Pregunta 46
Pregunta
Locations for central supply systems and the storage of medical gases shall be secured with lockable doors or gates.
Pregunta 47
Pregunta
Cylinders in use and in storage shall be prevented from reaching temperatures in excess of ___.
Pregunta 48
Pregunta
Which of the following systems shall not be permitted to be located in the same indoor enclosure?
Respuesta
-
Bulk cryogenic liquid system
-
Manifolds for cryogenic liquid cylinders
-
Manifolds for gas cylinders with or without reserve
-
instrument air standby leader
Pregunta 49
Pregunta
liquid containers shall have additional product identification visible from all directions with a minimum of ____inch high letters such as 360 degree wrap around tape for medical liquid containers
Pregunta 50
Pregunta
Which of the following hazards shall be considered in the design, installation, testing and maintenance of medical gas and vacuum piping systems?
Respuesta
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Contaminations
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Fire and Smoke
-
Fire and explosions
-
Water and Gas