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NFPA 99 – Section 604.0 Medical Gas and Vacuum Systems Exam Questions with Correct Answers 2026/2027

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NFPA 99 – Section 604.0 Medical Gas and Vacuum Systems Exam Questions with Correct Answers 2026/2027

Institution
NFPA-99
Course
NFPA-99

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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

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Institution
NFPA-99
Course
NFPA-99

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