MED GAS EXAM 84 QUESTIONS
AND ANSWERS (100%
CORRECT)
What sort of treatment shall be permitted before brazing the cut ends of a tube to be
installed in a medical gas piping system?
a. An argon gas purge must be done
b. Cut ends may be rolled smooth or deburred
c. Extensions need to be added for brazing
d. Treatment is NOT required, they may be brazed "as is" - Answer-b
Manifolds for gas cylinders shall actuate a(an) ______ signal and shall activate an
indicator at all __________ alarm panels to indicate when or just before changeover
from one header to the other.
a. Area; master
b. Local; master
c. Master; area
d. Master; local - Answer-b
Where liquid ring compressors are used, air receivers shall be equipped with a high
water level sensor that activates a(an) ______ alarm indicator.
a. Area
b. Local
c. Master
d. Pressure - Answer-b
Instrument air systems shall activate the alarm systems when the dew point at system
pressure exceeds how many degrees Fahrenheit?
a. -20 degrees F
b. -22 degrees F
c. -24 degrees F
d. -26 degrees F - Answer-b
In a non-anesthetizing area, on which side of a zone valve shall the pressure/vacuum
sensor be located?
a. Station outlet/inlet
b. Source side
c. Upstream side
d. NFPA 99 does NOT specify a requirement - Answer-a
, What is the purpose of using an oxygen analyzer on the pipeline purge prior to brazing?
a. Assure that all ambient air has been removed from the pipeline
b. Maintain a nitrogen atmosphere of at least 95% within the piping system
c. Provide continuous monitoring during the verification test
d. Reduce the oxygen concentration below 5% before brazing - Answer-a
Performance qualification of brazers shall remain in effect indefinitely unless the brazer
does NOT braze with the qualified procedure for longer than what period of time?
a. 6 months
b. 12 months
c. 18 months
d. 24 months - Answer-a
Pipe labels shall be located at a maximum interval of how many feet?
a. 10 feet
b. 15 feet
c. 20 feet
d. 25 feet - Answer-c
The installation of medical gas and vacuum systems shall be made by experienced,
qualified and competent installers. Installers shall meet the requirements of which
Code/Standard?
a. ASME Section IX
b. ASSE Standard 6010
c. AWS B31.3
d. CGA M-1 - Answer-b
The removal of components within 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 alarms ensors
c. Cutting and/or brazing piping
d. System control sensors - Answer-c
A medical gas master or area alarm panel should be set to actuate a(an) _______
indicator when the communication with an alarm initiating device is disconnected.
a. Audible
b. Audible and visual
c. High and low
d. Visual - Answer-b
A standard gauge pressure of 160-185 psi applies to which of the following?
a. Instrument air
b. Laboratory air
c. Laboratory vacuum
AND ANSWERS (100%
CORRECT)
What sort of treatment shall be permitted before brazing the cut ends of a tube to be
installed in a medical gas piping system?
a. An argon gas purge must be done
b. Cut ends may be rolled smooth or deburred
c. Extensions need to be added for brazing
d. Treatment is NOT required, they may be brazed "as is" - Answer-b
Manifolds for gas cylinders shall actuate a(an) ______ signal and shall activate an
indicator at all __________ alarm panels to indicate when or just before changeover
from one header to the other.
a. Area; master
b. Local; master
c. Master; area
d. Master; local - Answer-b
Where liquid ring compressors are used, air receivers shall be equipped with a high
water level sensor that activates a(an) ______ alarm indicator.
a. Area
b. Local
c. Master
d. Pressure - Answer-b
Instrument air systems shall activate the alarm systems when the dew point at system
pressure exceeds how many degrees Fahrenheit?
a. -20 degrees F
b. -22 degrees F
c. -24 degrees F
d. -26 degrees F - Answer-b
In a non-anesthetizing area, on which side of a zone valve shall the pressure/vacuum
sensor be located?
a. Station outlet/inlet
b. Source side
c. Upstream side
d. NFPA 99 does NOT specify a requirement - Answer-a
, What is the purpose of using an oxygen analyzer on the pipeline purge prior to brazing?
a. Assure that all ambient air has been removed from the pipeline
b. Maintain a nitrogen atmosphere of at least 95% within the piping system
c. Provide continuous monitoring during the verification test
d. Reduce the oxygen concentration below 5% before brazing - Answer-a
Performance qualification of brazers shall remain in effect indefinitely unless the brazer
does NOT braze with the qualified procedure for longer than what period of time?
a. 6 months
b. 12 months
c. 18 months
d. 24 months - Answer-a
Pipe labels shall be located at a maximum interval of how many feet?
a. 10 feet
b. 15 feet
c. 20 feet
d. 25 feet - Answer-c
The installation of medical gas and vacuum systems shall be made by experienced,
qualified and competent installers. Installers shall meet the requirements of which
Code/Standard?
a. ASME Section IX
b. ASSE Standard 6010
c. AWS B31.3
d. CGA M-1 - Answer-b
The removal of components within 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 alarms ensors
c. Cutting and/or brazing piping
d. System control sensors - Answer-c
A medical gas master or area alarm panel should be set to actuate a(an) _______
indicator when the communication with an alarm initiating device is disconnected.
a. Audible
b. Audible and visual
c. High and low
d. Visual - Answer-b
A standard gauge pressure of 160-185 psi applies to which of the following?
a. Instrument air
b. Laboratory air
c. Laboratory vacuum
