NFPA 99 2024 Worksheet 5 Questions
with Detailed Answers
A shutoff valve shall be placed at the immediate connection of each BLANK system to
the distribution piping system. What is the name given to the valve? - ANSWERSSource
valve
A shutoff valve shall be provided in the BLANK supply line when the source valve is not
accessible from within the building being served. What is the name given to the valve? -
ANSWERSMain valve
All valves except valves zone valve box assemblies shall be secured by any of the
following means - ANSWERSLocked or latched in operating position
Located in secure areas
Located above ceilings, but remaining accessible and not obstructed
Immediately outside each vital life support, critical care and anesthetizing location of
moderate sedation, deep sedation, or general anesthesia there shall be a BLANK
located in each medical gas or vacuum line or both - ANSWERSZone Valve
In line check valves shall not have threaded connections but shall have BLANK -
ANSWERSThreaded purge port
Brazed extensions
In line serviceability
New or replacement shutoff valves for medical gas pressure piping systems shall be
permitted to be any type as long as they meet the following - ANSWERSMinimum CV
factor
Quarter turn to off
Constructed of material suitable
Service valves shall be placed in the branch piping prior to any BLANK on that branch -
ANSWERSZone valve
Shutoff valves for positive pressure gases shall - ANSWERSBe provided with copper
tube extensions for brazing
Permit in line serviceability
Be clean for oxygen service by the manufacturer
The main line valve shall be located on which side of the source valve, when the main
line valve enters the builiding - ANSWERSFacility side of the source valve
with Detailed Answers
A shutoff valve shall be placed at the immediate connection of each BLANK system to
the distribution piping system. What is the name given to the valve? - ANSWERSSource
valve
A shutoff valve shall be provided in the BLANK supply line when the source valve is not
accessible from within the building being served. What is the name given to the valve? -
ANSWERSMain valve
All valves except valves zone valve box assemblies shall be secured by any of the
following means - ANSWERSLocked or latched in operating position
Located in secure areas
Located above ceilings, but remaining accessible and not obstructed
Immediately outside each vital life support, critical care and anesthetizing location of
moderate sedation, deep sedation, or general anesthesia there shall be a BLANK
located in each medical gas or vacuum line or both - ANSWERSZone Valve
In line check valves shall not have threaded connections but shall have BLANK -
ANSWERSThreaded purge port
Brazed extensions
In line serviceability
New or replacement shutoff valves for medical gas pressure piping systems shall be
permitted to be any type as long as they meet the following - ANSWERSMinimum CV
factor
Quarter turn to off
Constructed of material suitable
Service valves shall be placed in the branch piping prior to any BLANK on that branch -
ANSWERSZone valve
Shutoff valves for positive pressure gases shall - ANSWERSBe provided with copper
tube extensions for brazing
Permit in line serviceability
Be clean for oxygen service by the manufacturer
The main line valve shall be located on which side of the source valve, when the main
line valve enters the builiding - ANSWERSFacility side of the source valve
