All Correct Detailed Answers A+ Pass
Which source shall NOT be used to power the venturri of a WAGD system? - Answer-
medical air
Which type of connectors shall connect the medical air compressors with their intake
and outlet piping? - Answer- flexible
Continuing to use an existing system that is noncompliany with the requirements of this
code shall be permitted unless the _______ has determined that such use poses a
distinct hazard to life. - Answer- authority having jurisdiction
Cylinder and cryogenic liquid container outlet connections shall be designed as to
render the attachment point ________ when removal 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- 125ºF
Mechanical exhaust for central supply locations shall not be more than ____. - Answer-
500 cfm
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to
total concentration of oxygen exceeds _______ by volume. - Answer- 23.5%
Locations for central supply systems shall have electrical devices protected from
___________. - Answer- physical damage
Final line pressure regulators, when used for cryogenic fluid central supply 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- -22ºF
Bulk nitrous oxide system consists of more than _________ of gas. - Answer- 3,200 lb
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- 1000ºF
Manifolds for gas cylinders shall consist of ______ equal headers; each with one
average day's supply, but not fewer than _______ connections. - Answer- two - two
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
In a medical gas system with emergency reserve, which alarm system(s) will activate
when, or just before, the changeover to the reserve supply occurs? - Answer- 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). Which of these components are required at this connection? - Answer- 4 alarm
connection points to monitor the truck
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%
Cryogenic fluid central supply systems up to the source valve, 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 ___°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