MED GAS EXAM REPORTED
QUESTIONS WITH 100% CERTIFIED
ANSWERS
Which Of The Following Is Not A Requirement For Station Outlet/Inlet - Answer-The
Use Of Common Parts Such As Springs, O-Rings, Fasteners, Seals And Shutoff
Poppets Shall Be Permitted
Dental Air Is Compressed Gas Intended To Be Used To Operate Dental Devices And Is
Permitted To Be Supplied By Which Of The Following Sources? - Answer-Compressed
Air System, Pressurized Cylinders Of Air, Or Nitrogen
A System Used In Dentistry For Oral Evacuation And Nitrous Oxide/Oxygen
Scavenging - Answer-Dental Vacuum/Scavenging System
Locations For Central Supply Systems (Excluding Cryogenic Fluid Central Supply
Systems) Shall Meet Which Of The Following Requirments? - Answer-All Of The
Above: If Indoors, They Shall Have Interior Finishes Of Noncombustible Or Limited
Combustible Materials & Shall Be Constructed With Access To Move Equipment And
Cyclinders (Cylinders ?) & They Shall Be Provided With Lockable Doors, Gates Or Able
To Be Secured
Compressed Gas Cylinders Must Meet All Except Which Of The Following Criteria In
Order To Be Acceptable For Use In An Acute Health Care Facility? - Answer-Identified
With Black Marker
Which Of The Following Is True In A Category 1 Support Gases? - Answer-Permitted
To Power Equipment Used In Patient Care Procedures
Pressure Relief Valves Shall Meet Which Of The Following Requirements? - Answer-
Constructed Of Brass Or Bronze
The _____ Shall Furnish Documentation Certifying That Tubes, Valves, Fittings
And Other Piping Components Have Been Cleaned _________ By The Manufacturer
Or By
A Supplier Or Agency Other Than The Manufacturer To Cga-4.1 - Answer-Installer,
For Oxygen Service
Which Of The Following Shall Be Require The Installer To Provide Documentation Prior
To Any Installation Of A Category 2 Medical Gas System? - Answer-Brazed Piping
After Completion Of All Installer-Performed Tests The Code Allows For Which Of
,These Methods To Be Used To Determine That No Cross-Connection Exists? - Answer-
Individual Pressurization And Pressure Differential
An Existing System That Is Not In Strict Compliance With The Provisions Of This Code
Shall Be Permitted To Be Continued In Use As Long As The Has Determined That
Such Use Does Not Constitute A Distinct Hazard To Life. - Answer-AHJ
Cylinder And Cryogenic Liquid Container Outlet Connections Shall Be Affixed In Such
A Manner As To Be Intregal To The Valve, Unremovable With Ordinary Tools Or So
Designed As To Render The Attachment Point When Removal Of The Of The Outlet
Connection Is Attempted. - Answer-unusable
Which Of The Following Systems Shall Not Be Permitted To Be Located In An
Outdoor Enclosure? - Answer-Medical Air Compressor Sources
What Is Required Of The Alarm System If Another Alarm Condition Occurs While The
Audible Alarm Is Manually Silenced? - Answer-Re-Initiation Of The Audible Signal
Cylinders In Use And In Storage Shall Be Prevented From Reaching Temperatures In
Excess Of______ - Answer-125 degrees f
Locations For Central Supply Systems Shall Have Electrical Devices Protected From -
Answer-physical damage
Mechanical Exhaust For Central Supply Locations Shall Not Be More Than - Answer-
500cfm
For Purposes Of This Code, An Oxygen Enriched Atmosphere Is An Atmosphere
Where To Total Concentration Of Oxygen Exceeds _______By Volume. - Answer-
23.5%
Final Line Pressure Regulators, When Used For Bulk Cryogenic Liquid Systems Shall
Be Of A__________ Design - Answer-balanced
The Pressure In The Main Line Of Each Medical Gas System, The Operation And
Condition Of The Source Of Supply And The Reserve Source (If Any) Shall Be
Monitored At The _______ Alarm. - Answer-master
The Instrument Air Dew Point High Alarm From Each Compressor Site Will Indicate
At The Master Alarm Panels When The Line Pressure Dew Point Is Greater Than
_____ - Answer--22 degrees f
Brazed Joints Shall Be Made Using A Brazing Alloy That Exhibits A Melting
Temperature In Excess Of To Retain The Integrity Of The Piping System In The Event
Of Fire. - Answer-1000 degrees f
, Manifolds For Gas Cylinders Shall Consist Of _________Equal Headers; Each With
One
Average Day's Supply, But Not Fewer_______ Than Connections - Answer-2,2
Manifolds For Gas Cylinders Shall Actuate A(N) _______Signal And Shall Activate
An Indicator At All ______ Alarm Panels To Indicate When Or Just Before Changeover
From One Header To The Other? - Answer-local, master
The Gas Produced By Evaporation From The Secondary Header In A Cryogenic
Liquid Container System Shall Enter The Supply System________Of The Final Line
Regulator. - Answer-upstream
A Facility Is In The Planning Stages Of Installing An Emergency Oxygen Supply
Connection (Eosc). How Many Feet Is The Minimum Clearance Around This
Connection? - Answer-3
A(N) ______ Can Be Used As A Substitute For The Eosc At A Category 1 Facility -
Answer-In-Building Emergency Reserve
Final Line Pressure Controls Shall Be Sized To _______Of The Peak Calculated
Demand. - Answer-100%
Bulk Cryogenic Liquid Systems Shall Be Installed In Accordance With - - Answer-nfpa
55
Central Supply Systems For Nitrous Oxide And Carbon Dioxide Using Cylinders Or
Portable Containers Shall Be Prevented From Reaching Temperatures Lower
Than___________
degrees f - Answer-20
Installers Of Category 1 Medical Gas Piping Systems Must Be Qualified To Asse 6010.
What Is The Certification Requirement For Installers Of A Category 3 System? -
Answer-6010
When Is The Initial Pressure Test Conducted By The Installer? - Answer-After
Blowdown Of The Distribution Piping
In Those Portions Of The System Intended To Handle Oxygen At Pressures Greater
Than 350 Psi, The Interconnecting Hose Shall Not Contain______ Materials. - Answer-
polymeric
The Master Alarm System Shall Activate When The Pressure In The Main Supply
Lines Increase Or Decrease _____By Percent - Answer-20
When Designing And Constructing Central Supply Systems, The Storage Shall - -
Answer-All Of The Above: Have A Minimum Of Two Entry/Exits If Outdoors & Secure
QUESTIONS WITH 100% CERTIFIED
ANSWERS
Which Of The Following Is Not A Requirement For Station Outlet/Inlet - Answer-The
Use Of Common Parts Such As Springs, O-Rings, Fasteners, Seals And Shutoff
Poppets Shall Be Permitted
Dental Air Is Compressed Gas Intended To Be Used To Operate Dental Devices And Is
Permitted To Be Supplied By Which Of The Following Sources? - Answer-Compressed
Air System, Pressurized Cylinders Of Air, Or Nitrogen
A System Used In Dentistry For Oral Evacuation And Nitrous Oxide/Oxygen
Scavenging - Answer-Dental Vacuum/Scavenging System
Locations For Central Supply Systems (Excluding Cryogenic Fluid Central Supply
Systems) Shall Meet Which Of The Following Requirments? - Answer-All Of The
Above: If Indoors, They Shall Have Interior Finishes Of Noncombustible Or Limited
Combustible Materials & Shall Be Constructed With Access To Move Equipment And
Cyclinders (Cylinders ?) & They Shall Be Provided With Lockable Doors, Gates Or Able
To Be Secured
Compressed Gas Cylinders Must Meet All Except Which Of The Following Criteria In
Order To Be Acceptable For Use In An Acute Health Care Facility? - Answer-Identified
With Black Marker
Which Of The Following Is True In A Category 1 Support Gases? - Answer-Permitted
To Power Equipment Used In Patient Care Procedures
Pressure Relief Valves Shall Meet Which Of The Following Requirements? - Answer-
Constructed Of Brass Or Bronze
The _____ Shall Furnish Documentation Certifying That Tubes, Valves, Fittings
And Other Piping Components Have Been Cleaned _________ By The Manufacturer
Or By
A Supplier Or Agency Other Than The Manufacturer To Cga-4.1 - Answer-Installer,
For Oxygen Service
Which Of The Following Shall Be Require The Installer To Provide Documentation Prior
To Any Installation Of A Category 2 Medical Gas System? - Answer-Brazed Piping
After Completion Of All Installer-Performed Tests The Code Allows For Which Of
,These Methods To Be Used To Determine That No Cross-Connection Exists? - Answer-
Individual Pressurization And Pressure Differential
An Existing System That Is Not In Strict Compliance With The Provisions Of This Code
Shall Be Permitted To Be Continued In Use As Long As The Has Determined That
Such Use Does Not Constitute A Distinct Hazard To Life. - Answer-AHJ
Cylinder And Cryogenic Liquid Container Outlet Connections Shall Be Affixed In Such
A Manner As To Be Intregal To The Valve, Unremovable With Ordinary Tools Or So
Designed As To Render The Attachment Point When Removal Of The Of The Outlet
Connection Is Attempted. - Answer-unusable
Which Of The Following Systems Shall Not Be Permitted To Be Located In An
Outdoor Enclosure? - Answer-Medical Air Compressor Sources
What Is Required Of The Alarm System If Another Alarm Condition Occurs While The
Audible Alarm Is Manually Silenced? - Answer-Re-Initiation Of The Audible Signal
Cylinders In Use And In Storage Shall Be Prevented From Reaching Temperatures In
Excess Of______ - Answer-125 degrees f
Locations For Central Supply Systems Shall Have Electrical Devices Protected From -
Answer-physical damage
Mechanical Exhaust For Central Supply Locations Shall Not Be More Than - Answer-
500cfm
For Purposes Of This Code, An Oxygen Enriched Atmosphere Is An Atmosphere
Where To Total Concentration Of Oxygen Exceeds _______By Volume. - Answer-
23.5%
Final Line Pressure Regulators, When Used For Bulk Cryogenic Liquid Systems Shall
Be Of A__________ Design - Answer-balanced
The Pressure In The Main Line Of Each Medical Gas System, The Operation And
Condition Of The Source Of Supply And The Reserve Source (If Any) Shall Be
Monitored At The _______ Alarm. - Answer-master
The Instrument Air Dew Point High Alarm From Each Compressor Site Will Indicate
At The Master Alarm Panels When The Line Pressure Dew Point Is Greater Than
_____ - Answer--22 degrees f
Brazed Joints Shall Be Made Using A Brazing Alloy That Exhibits A Melting
Temperature In Excess Of To Retain The Integrity Of The Piping System In The Event
Of Fire. - Answer-1000 degrees f
, Manifolds For Gas Cylinders Shall Consist Of _________Equal Headers; Each With
One
Average Day's Supply, But Not Fewer_______ Than Connections - Answer-2,2
Manifolds For Gas Cylinders Shall Actuate A(N) _______Signal And Shall Activate
An Indicator At All ______ Alarm Panels To Indicate When Or Just Before Changeover
From One Header To The Other? - Answer-local, master
The Gas Produced By Evaporation From The Secondary Header In A Cryogenic
Liquid Container System Shall Enter The Supply System________Of The Final Line
Regulator. - Answer-upstream
A Facility Is In The Planning Stages Of Installing An Emergency Oxygen Supply
Connection (Eosc). How Many Feet Is The Minimum Clearance Around This
Connection? - Answer-3
A(N) ______ Can Be Used As A Substitute For The Eosc At A Category 1 Facility -
Answer-In-Building Emergency Reserve
Final Line Pressure Controls Shall Be Sized To _______Of The Peak Calculated
Demand. - Answer-100%
Bulk Cryogenic Liquid Systems Shall Be Installed In Accordance With - - Answer-nfpa
55
Central Supply Systems For Nitrous Oxide And Carbon Dioxide Using Cylinders Or
Portable Containers Shall Be Prevented From Reaching Temperatures Lower
Than___________
degrees f - Answer-20
Installers Of Category 1 Medical Gas Piping Systems Must Be Qualified To Asse 6010.
What Is The Certification Requirement For Installers Of A Category 3 System? -
Answer-6010
When Is The Initial Pressure Test Conducted By The Installer? - Answer-After
Blowdown Of The Distribution Piping
In Those Portions Of The System Intended To Handle Oxygen At Pressures Greater
Than 350 Psi, The Interconnecting Hose Shall Not Contain______ Materials. - Answer-
polymeric
The Master Alarm System Shall Activate When The Pressure In The Main Supply
Lines Increase Or Decrease _____By Percent - Answer-20
When Designing And Constructing Central Supply Systems, The Storage Shall - -
Answer-All Of The Above: Have A Minimum Of Two Entry/Exits If Outdoors & Secure
