MED GAS EXAM STUDY SHEET COMPLETE
QUESTIONS AND CORRECT ANSWERS
●● Factory installed outlet tubes on station inlets extending no further
than 8" of the body of the terminal shall be NOT less than _____ in O D
size, with 0.4 inch minimum inside diameter
Answer: ½
●● All positive pressure central supply systems shall be provided with a
means to control the final line pressure at the source. Which of the
following is a required characteristic of such control mechanisms?
Answer: Redundant
●● Central supply system cylinders in use and in storage shall be
prevented from reaching temperatures in excess of _____ Fahrenheit
Answer: 125
●● Shutoff valves shall be identified by labels that must include which
of the following
Answer: Rooms or areas served
●● If WAGD is produced by a venturi the venturi shall NOT be driven
or powered by ___
,Answer: Medical air
●● The scale range of positive pressure analog indicators shall be such
that the normal operating pressure is ______ if the total range
Answer: Within the middle third
●● The initial pressure test performed by the installing contractor shall
be witnessed by ____ or the Authority Having Jurisdiction or it's
designee
Answer: An ASSE 6020 Inspector or an ASSE 6030 Verifier
●● Optional in-line valves shall be _____ to be installed to isolate or
shut off piping for individual rooms or areas
Answer: Permitted
●● During the installer performed initial pressure test for vacuum
system piping the source shut off valve shall remain closed and the test
pressure shall be ______
Answer: 1.5 times the system operating pressure but not less than a
gauge pressure of 150 psi
●● Which of the following describes Absolute Pressure
Answer: The total pressure in a system with reference to zero pressure
, ●● According to NFPA99 any location where moderate sedation deep
sedation or general anesthesia is intended to be administered would be
defined as
Answer: Anesthetizing location
●● A zone valve in each medical gas and vacuum line shall be provided
for each category 1 space. In patient care spaces that are non
anesthetizing locations, they shall be located and installed ______ the
area or zone being controlled. In anesthetizing locations, the shall be
located and installed ________ each room
Answer: Immediately outside, immediately outside
●● If there is more than one central supply system for a specific gas or
vacuum pipeline or more than one central supply system and pipeline for
the same gas in the same building, then it shall be necessary for ____
Answer: Each location to have separate local alarms and signals at the
master panels
●● Which of the following systems shall not be permitted to be installed
in an outdoor enclosure
Answer: Medical air compressor supply sources
●● As denied in NFPA99 a _____ would refer to an NFPA standard that
is advisory or informative in nature and that contains only non-
mandatory provisions
QUESTIONS AND CORRECT ANSWERS
●● Factory installed outlet tubes on station inlets extending no further
than 8" of the body of the terminal shall be NOT less than _____ in O D
size, with 0.4 inch minimum inside diameter
Answer: ½
●● All positive pressure central supply systems shall be provided with a
means to control the final line pressure at the source. Which of the
following is a required characteristic of such control mechanisms?
Answer: Redundant
●● Central supply system cylinders in use and in storage shall be
prevented from reaching temperatures in excess of _____ Fahrenheit
Answer: 125
●● Shutoff valves shall be identified by labels that must include which
of the following
Answer: Rooms or areas served
●● If WAGD is produced by a venturi the venturi shall NOT be driven
or powered by ___
,Answer: Medical air
●● The scale range of positive pressure analog indicators shall be such
that the normal operating pressure is ______ if the total range
Answer: Within the middle third
●● The initial pressure test performed by the installing contractor shall
be witnessed by ____ or the Authority Having Jurisdiction or it's
designee
Answer: An ASSE 6020 Inspector or an ASSE 6030 Verifier
●● Optional in-line valves shall be _____ to be installed to isolate or
shut off piping for individual rooms or areas
Answer: Permitted
●● During the installer performed initial pressure test for vacuum
system piping the source shut off valve shall remain closed and the test
pressure shall be ______
Answer: 1.5 times the system operating pressure but not less than a
gauge pressure of 150 psi
●● Which of the following describes Absolute Pressure
Answer: The total pressure in a system with reference to zero pressure
, ●● According to NFPA99 any location where moderate sedation deep
sedation or general anesthesia is intended to be administered would be
defined as
Answer: Anesthetizing location
●● A zone valve in each medical gas and vacuum line shall be provided
for each category 1 space. In patient care spaces that are non
anesthetizing locations, they shall be located and installed ______ the
area or zone being controlled. In anesthetizing locations, the shall be
located and installed ________ each room
Answer: Immediately outside, immediately outside
●● If there is more than one central supply system for a specific gas or
vacuum pipeline or more than one central supply system and pipeline for
the same gas in the same building, then it shall be necessary for ____
Answer: Each location to have separate local alarms and signals at the
master panels
●● Which of the following systems shall not be permitted to be installed
in an outdoor enclosure
Answer: Medical air compressor supply sources
●● As denied in NFPA99 a _____ would refer to an NFPA standard that
is advisory or informative in nature and that contains only non-
mandatory provisions
