ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2026
A medical air portioning system shall have a minimum of
how many recorders in order to record system performance
and air quality for a period of no less than 24 hours?
A. 1
B. 2
C. 3
D. 4 - ANSWERS-A. 1
A wireless communication device is employed in a medical
gas or vacuum warning system. Which type of supervision is
required for this device?
A. A visual indicator shall be located in maintenance office
of the engineering department.
B. The device shall be installed at the medical gas or vacuum
source
,C. The device shall be located at the nurse's station
D. The device will be supervised such that failed of
communication shall initiate an alarm - ANSWERS-D. The
device will be supervised such that failed of communication
shall initiate an alarm
The removal of components with a source system for repair
and re-installation or for replacement shall be treated as
new work for the purposes of testing whenever such work
involves which of the following?
A. Air quality monitoring
B. Calibration of alarm sensors
C. Cutting and/or brazing new pipe
D. System control sensors - ANSWERS-C. Cutting and/or
brazing new pipe
Category 2 Dental Gas and Vacuum Systems require
documentation for the installation of which of the
following?
A. All brazing piping
B. Dental support pipes
C. Dental vacuum and nitrous oxide scavenging
,D. Oxygen and nitrous oxide - ANSWERS-A. All brazing
piping
Category 1 facility, which of the following item(s) is correct
regarding the standing vacuum test for vacuum piping?
A. During the test the source of the test vacuum shall be
disconnected from the piping system
B. Leakage attributed to specific changes in ambient
temperature over 0.5% of the starting pressure may be
allowed
C. Standing vacuum test is performed after successful
completion of an initial pressure test of positive pressure
and vacuum systems
D. All of the above - ANSWERS-D. All of the above
The final connection between new piping and existing
system may be tested with the system gas and must be
checked with a leak detectent that does NOT contain which
of these agents?
A. Acetone
B. Ammonia
C. Chlorine
D. Soapy water - ANSWERS-B. Ammonia
, A valve installed in each medical gas in vacuum piping
system shall be tested to verify which of the following?
A. Date of installation
B. Flow and pressure drops.
C. Pressure range.
D. Proper operation in rooms or areas of control. -
ANSWERS-D) Proper operation and rooms or areas of
control {5.1.12.3.4}
The standing pressure test for positive pressure medical gas
piping shall be conducted with the source valve closed and
the piping system subjected to which test time and
pressure?
A. 8 hours at 150 psi
B. 8 hours at 20% above operating pressure
C. 24 hours at 150 psi
D. 24 hours at 20% above normal operating pressure -
ANSWERS-D. 24 hours at 20% above normal operating
pressure
Audible and visual alarm indicators shall meet which of the
following requirements?