NFPA 99 6040 Practice Set Questions
and Verified Answers 2026
The ASSE 6040 Standard applies to individuals who _______________ medical gas and vacuum
systems.
A install
B perform inspections of new installations
C maintain
D verify - <CORRECT ANSWER >>maintain
At sea level the atmospheric pressure is 14.7 psia. What is the absolute pressure of a 50 psig
(gauge pressure) system at sea level?
A 64.7 psia
B 50 psia
C 34.7 psia
D 60 psia - <CORRECT ANSWER >>64.7 psia
Medical Gas _______________________________ shall be able to describe how to find and
implement manufacturer specific maintenance requirements for the medical gas and vacuum
system components per ASSE 6000 Annex D and CGA E.10.
A Supplier or Distributor
B Maintenance Personnel
C Authority having jurisdiction
D Verifier or Inspector - <CORRECT ANSWER >>Maintenance Personnel
Medical Gas Maintenance Personnel shall be able to identify and describe the hazards resulting
from improper maintenance of medical gas and vacuum systems, including:
A Flow
,B Cross Connections
C Contaminants
D All of the above - <CORRECT ANSWER >>All of the above
ASSE 6000 daily checks of bulk liquid systems include all of the following with the exception of
______________.
A Primary and Reserve (if equipped) Tank Contents
B Pressure Dew Point Temperature
C Leaks or Unusual Icing
D Proper pressure maintained - <CORRECT ANSWER >>Pressure Dew Point Temperature
Per ASSE 6000 Annex D typical maintenance procedures include _______________ checks of
the Medical Air Moisture removal system (after cooler, dryer drain, receiver drain, sight glass,
etc.).
A Daily
B Weekly
C Monthly
D Annually - <CORRECT ANSWER >>Daily
Per ASSE 6000 Annex D the Medical Air __________ is typically checked daily.
A Dew Point Monitor
B Carbon Monoxide Monitor
C Filter Condition
D Both A & B
E All of the above - <CORRECT ANSWER >>Both A & B
Typical monthly checks, per ASSE 6000 Annex D, of area alarms include all of the following
except :
, A Audible Signal
B Visual Signals
C Emergency Instructions
D Gauge Pressure Read Outs - <CORRECT ANSWER >>Emergency Instructions
Per ASSE 6000 Annex D, the medical air compressor intake location and filter condition should
be checked _______________.
A Daily
B Weekly
C Quarterly
D Annually - <CORRECT ANSWER >>Quarterly
Minimum Maintenance Schedule, per ASSE 6000 Annex D, should include annual checking of
________________ for Flow, Pressure/Vacuum, Damage, and Wear.
A All outlets & inlets
B All critical care outlets & inlets
C 50% of all critical care outlets
D Annual testing of outlets & inlets is not recommended - <CORRECT ANSWER >>All critical care
outlets & inlets
Per ASSE 6000 Annex D the medical air compressor _____________________ should be
calibrated annually.
A Dew Point & Carbon Monoxide Monitors
B Carbon Monoxide Monitor Only
C Gauges
D Motor Overloads - <CORRECT ANSWER >>Dew Point & Carbon Monoxide Monitors
Per ASSE 6000 Annex D & CGA E.10, after reassembly of equipment is shall be tested prior to
being returned to service for ______________________________.
and Verified Answers 2026
The ASSE 6040 Standard applies to individuals who _______________ medical gas and vacuum
systems.
A install
B perform inspections of new installations
C maintain
D verify - <CORRECT ANSWER >>maintain
At sea level the atmospheric pressure is 14.7 psia. What is the absolute pressure of a 50 psig
(gauge pressure) system at sea level?
A 64.7 psia
B 50 psia
C 34.7 psia
D 60 psia - <CORRECT ANSWER >>64.7 psia
Medical Gas _______________________________ shall be able to describe how to find and
implement manufacturer specific maintenance requirements for the medical gas and vacuum
system components per ASSE 6000 Annex D and CGA E.10.
A Supplier or Distributor
B Maintenance Personnel
C Authority having jurisdiction
D Verifier or Inspector - <CORRECT ANSWER >>Maintenance Personnel
Medical Gas Maintenance Personnel shall be able to identify and describe the hazards resulting
from improper maintenance of medical gas and vacuum systems, including:
A Flow
,B Cross Connections
C Contaminants
D All of the above - <CORRECT ANSWER >>All of the above
ASSE 6000 daily checks of bulk liquid systems include all of the following with the exception of
______________.
A Primary and Reserve (if equipped) Tank Contents
B Pressure Dew Point Temperature
C Leaks or Unusual Icing
D Proper pressure maintained - <CORRECT ANSWER >>Pressure Dew Point Temperature
Per ASSE 6000 Annex D typical maintenance procedures include _______________ checks of
the Medical Air Moisture removal system (after cooler, dryer drain, receiver drain, sight glass,
etc.).
A Daily
B Weekly
C Monthly
D Annually - <CORRECT ANSWER >>Daily
Per ASSE 6000 Annex D the Medical Air __________ is typically checked daily.
A Dew Point Monitor
B Carbon Monoxide Monitor
C Filter Condition
D Both A & B
E All of the above - <CORRECT ANSWER >>Both A & B
Typical monthly checks, per ASSE 6000 Annex D, of area alarms include all of the following
except :
, A Audible Signal
B Visual Signals
C Emergency Instructions
D Gauge Pressure Read Outs - <CORRECT ANSWER >>Emergency Instructions
Per ASSE 6000 Annex D, the medical air compressor intake location and filter condition should
be checked _______________.
A Daily
B Weekly
C Quarterly
D Annually - <CORRECT ANSWER >>Quarterly
Minimum Maintenance Schedule, per ASSE 6000 Annex D, should include annual checking of
________________ for Flow, Pressure/Vacuum, Damage, and Wear.
A All outlets & inlets
B All critical care outlets & inlets
C 50% of all critical care outlets
D Annual testing of outlets & inlets is not recommended - <CORRECT ANSWER >>All critical care
outlets & inlets
Per ASSE 6000 Annex D the medical air compressor _____________________ should be
calibrated annually.
A Dew Point & Carbon Monoxide Monitors
B Carbon Monoxide Monitor Only
C Gauges
D Motor Overloads - <CORRECT ANSWER >>Dew Point & Carbon Monoxide Monitors
Per ASSE 6000 Annex D & CGA E.10, after reassembly of equipment is shall be tested prior to
being returned to service for ______________________________.
