QUESTIONS AND CORRECT ANSWERS
Which source shall NOT be used to power the venturri of a WAGD system? - CORRECT
ANSWER medical air
Which type of connectors shall connect the medical air compressors with their intake and
outlet piping? - CORRECT 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. - CORRECT 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. - CORRECT
ANSWER unusable
Which of the following systems shall not be permitted to be located in an outdoor enclosure?
- CORRECT ANSWER medical air compressor sources
What is required of the alarm system if another alarm condition occurs while the audible
alarm is manually silenced? - CORRECT ANSWER Re-initiation of the audible signal
Cylinders in use and in storage shall be prevented from reaching temperatures in excess of
____________. - CORRECT ANSWER 125ºF
Mechanical exhaust for central supply locations shall not be more than ____. - CORRECT
ANSWER 500 cfm
For purposes of this code, an oxygen enriched atmosphere is an atmosphere where to total
concentration of oxygen exceeds _______ by volume. - CORRECT ANSWER 23.5%
, Locations for central supply systems shall have electrical devices protected from
___________. - CORRECT ANSWER physical damage
Final line pressure regulators, when used for cryogenic fluid central supply systems shall be
of a ________ design. - CORRECT 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 -
CORRECT 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 _______. - CORRECT
ANSWER -22ºF
Bulk nitrous oxide system consists of more than _________ of gas. - CORRECT
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. -
CORRECT ANSWER 1000ºF
Manifolds for gas cylinders shall consist of ______ equal headers; each with one average
day's supply, but not fewer than _______ connections. - CORRECT 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. - CORRECT 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? - CORRECT
ANSWER master