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MED GAS PRACTICE TESTS QUESTIONS AND ANSWER
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MED GAS PRACTICE TESTS QUESTIONS AND ANSWER
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MED GAS PRACTICE TESTS QUESTIONS ANDANSWERS
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. - Answers-
authority having jurisdiction
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 outlet connection is attempted. - Answers- unusable
What is required of the alarm system if another alarm condition occurs while the audible
alarm is manually silenced? - Answers- Re-initiation of the audible signal
Which of the following systems shall not be permitted to be located in an outdoor
enclosure? - Answers- Medical air compressor sources
Cylinders in use and in storage shall be prevented from reaching temperatures in
excess of _____. - Answers- 125°F
Locations for central supply systems shall have electrical devices protected from ____ -
Answers- physical damage
Mechanical exhaust for central supply locations shall not be more than ____ - Answers-
500 cfm
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to
total concentration of oxygen exceeds ____
by volume. - Answers- 23.5% , whereas bottom of the range is 19.5%,
21% is normal
Final line pressure regulators, when used for bulk cryogenic liquid systems shall be of a
____
design. - Answers- 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 - Answers- 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 _____ - Answers-
-22°F _____ whereas the max is -44°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. - Answers- 1000°F
Manifolds for gas cylinders shall consist of ______ equal headers; each with one
average day's supply, but not fewer than ______ connections. - Answers- 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. -
Answers- Local - master
Area alarm not connected to master alarm - Answers- True
In a medical gas system with emergency reserve, which alarm systems) will activate
when, or just before, the changeover to the reserve supply occurs? - Answers- 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. - Answers- 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? - Answers- 3
A(n) _____ can be used as a substitute for the EOSC at a category 1 facility. -
Answers- in-building emergency reserve
Final line pressure controls shall be sized to ___ of the peak calculated demand. -
Answers- 100%
Bulk cryogenic liquid systems shall be installed in accordance with ____ - Answers-
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 -
Answers- 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? - Answers-
6010
When is the initial pressure test conducted by the installer? - Answers- after blowdown
of the distribution piping
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