Med-Gas Exam
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
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1. Installers of a category 1 medical gas piped distribution system must be
qualified in accordance with ASSE 6010. What is the certification
requirement for installers of a category 3 medical gas piped distribution
system?
A. 6010
B. 6020
C. 6030
D. Category 3 does NOT require certification - Correct Answer: A.
6010
2. When is the initial pressure test conducted by installer?
A. after blow down of the distribution piping
B. after installation of alarm sensors
C. before blow down of the distribution piping
D. before installation of station rough-in assemblies - Correct
Answer: A. after blow down of the distribution piping
,3. In those portions of systems intended to handle oxygen at pressures greater
than 350 psi, the interconnecting hose shall NOT contain __________
materials.
A. brass
B. copper
C. polymeric
D. stainless steel - Correct Answer: C. polymeric
4. Which of these is an NFPA 99 requirement for the labeling of pipes in a
medical gas system?
A. color coding
B. fixed label width
C. label shall wrap completely around the pipe
D. reflective label - Correct Answer: A. color coding
5. 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 the maintenance office or the
engineering department.
B. The device shall be installed at the medical gas or vacuum source.
C. The device shall be located at a nurse's station
D. The device will be supervised such that failure of communication
shall initiate an alarm. - Correct Answer: D. The device will be
supervised such that failure of communication shall initiate an alarm
6. Refer to DIAGRAM 1. Identify #7
A. in-line valve
B. main control valve
C. service valve
D. zone valve box - Correct Answer: D. zone valve box
,7. Refer to DIAGRAM I. Identify #8
A. dead end
B. future valve
C. history valve
D. in-line valve - Correct Answer: B. future
8. What sort of treatment shall be permitted before brazing the cut ends of a
tube to be installed in medical gas piping systems?
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" - Correct
Answer: B. cut ends may be rolled smooth or deburred
9. 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 - Correct Answer: B. local;master
10.Where liquid ring compressors are used, air receivers shall be equipped
with a high water level sensor that activates a(n) ________ alarm indicator.
A. area
B. local
C. master
D. pressure - Correct Answer: B. local
, 11.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 - Correct Answer: B. -22 degrees F
12.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 - Correct Answer: A.
station outlet / inlet
13.What is the purpose of using an oxygen analyzer the pipeline purge prior to
brazing?
A. assure that all ambient air has been removed form 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 -
Correct Answer: A. assure that all ambient air has been removed
from the pipeline
14.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?
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. Installers of a category 1 medical gas piped distribution system must be
qualified in accordance with ASSE 6010. What is the certification
requirement for installers of a category 3 medical gas piped distribution
system?
A. 6010
B. 6020
C. 6030
D. Category 3 does NOT require certification - Correct Answer: A.
6010
2. When is the initial pressure test conducted by installer?
A. after blow down of the distribution piping
B. after installation of alarm sensors
C. before blow down of the distribution piping
D. before installation of station rough-in assemblies - Correct
Answer: A. after blow down of the distribution piping
,3. In those portions of systems intended to handle oxygen at pressures greater
than 350 psi, the interconnecting hose shall NOT contain __________
materials.
A. brass
B. copper
C. polymeric
D. stainless steel - Correct Answer: C. polymeric
4. Which of these is an NFPA 99 requirement for the labeling of pipes in a
medical gas system?
A. color coding
B. fixed label width
C. label shall wrap completely around the pipe
D. reflective label - Correct Answer: A. color coding
5. 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 the maintenance office or the
engineering department.
B. The device shall be installed at the medical gas or vacuum source.
C. The device shall be located at a nurse's station
D. The device will be supervised such that failure of communication
shall initiate an alarm. - Correct Answer: D. The device will be
supervised such that failure of communication shall initiate an alarm
6. Refer to DIAGRAM 1. Identify #7
A. in-line valve
B. main control valve
C. service valve
D. zone valve box - Correct Answer: D. zone valve box
,7. Refer to DIAGRAM I. Identify #8
A. dead end
B. future valve
C. history valve
D. in-line valve - Correct Answer: B. future
8. What sort of treatment shall be permitted before brazing the cut ends of a
tube to be installed in medical gas piping systems?
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" - Correct
Answer: B. cut ends may be rolled smooth or deburred
9. 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 - Correct Answer: B. local;master
10.Where liquid ring compressors are used, air receivers shall be equipped
with a high water level sensor that activates a(n) ________ alarm indicator.
A. area
B. local
C. master
D. pressure - Correct Answer: B. local
, 11.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 - Correct Answer: B. -22 degrees F
12.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 - Correct Answer: A.
station outlet / inlet
13.What is the purpose of using an oxygen analyzer the pipeline purge prior to
brazing?
A. assure that all ambient air has been removed form 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 -
Correct Answer: A. assure that all ambient air has been removed
from the pipeline
14.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?
