NRCME (DOT) FINAL TEST 2026
QUESTIONS WITH CORRECT
ANSWERS GRADED A+
◍ Look at picture #1.
Answer: Look at picture #1
◍ A. 6010.
Answer: 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. 6010B. 6020C. 6030 D. Category 3 does NOT require
certification
◍ The ppm gaseous hydrocarbons in the medical air system shall be less than?.
Answer: 25 ppm
◍ At any level of demand, the medical air dryers shall provide air with a dew
point below this temperature?.
Answer: 32 degrees F
◍ Which of the following is NOT permitted to have the system supply source
located outside?
A. vacuum pumps
B. manifolds for gas cylinders
C. instrument air compressors
D. medical air compressors.
Answer: medical air compressors
◍ A. after blow down of the distribution piping.
Answer: When is the initial pressure test conducted by installer? A. after
blow down of the distribution pipingB. after installation of alarm sensorsC.
, before blow down of the distribution pipingD. before installation of station
rough-in assemblies
◍ Regulators, filters, and dryers shall be sized to meet the peak calculated
demand. The piping format for these items shall be at a minimum?.
Answer: duplexed
◍ They can allow an existing system, which is not in compliance with the
NFPA 99 Code to remain in service..
Answer: Authority Having Jurisdiction (AHJ)
◍ Medical air supply systems operating at different pressures shall be provided
with?.
Answer: pressure regulator
◍ C. polymeric.
Answer: In those portions of systems intended to handle oxygen at pressures
greater than 350 psi, the interconnecting hose shall NOT contain
__________ materials. A. brassB. copperC. polymericD. stainless steel
◍ A. color coding.
Answer: Which of these is an NFPA 99 requirement for the labeling of pipes
in a medical gas system?A. color codingB. fixed label widthC. label shall
wrap completely around the pipeD. reflective label
◍ D. The device will be supervised such that failure of communication shall
initiate an alarm.
Answer: 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 stationD.
The device will be supervised such that failure of communication shall
initiate an alarm.
◍ D. zone valve box.
Answer: Refer to DIAGRAM 1. Identify #7A. in-line valveB. main control
, valveC. service valveD. zone valve box
◍ B. future.
Answer: Refer to DIAGRAM I. Identify #8A. dead endB. future valve C.
history valveD. in-line valve
◍ B. cut ends may be rolled smooth or deburred.
Answer: 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 deburredC.
Extensions need to be added for brazingD. treatment is NOT required; they
may be brazed "as is"
◍ The removal of the outlet connection on a cryogenic liquid container will
cause the container to become?.
Answer: unusable
◍ A building, space, room, or group of rooms intended to serve activities
involving procedures for investigation, diagnosis, or treatment in which
flammable, combustible, or oxidizing materials are to be used..
Answer: laboratory
◍ Carbon dioxide and nitrous oxide cylinders shall be kept from reaching
temperatures below _____..
Answer: 20 degrees F
◍ B. local;master.
Answer: 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; masterB. local;
masterC. master; areaD. master; local
◍ B. local.
Answer: Where liquid ring compressors are used, air receivers shall be
equipped with a high water level sensor that activates a(n) ________ alarm
indicator. A. areaB. localC. masterD. pressure
, ◍ The master alarm shall activate when the instrument air compressor dew
point temperature exceeds _____..
Answer: -22 degrees F
◍ B. -22 degrees F.
Answer: Instrument air systems shall activate the alarm systems when the
dew point at system pressure exceeds how many degrees Fahrenheit?A. -20
degrees FB. -22 degrees FC. -24 degrees FD. -26 degrees F
◍ In this space, alarm sensors shall be installed on the patient's side of each
individual zone valve box..
Answer: Category 1
◍ A. station outlet / inlet.
Answer: In a non-anesthetizing area, on which side of a zone valve shall the
pressure/ vacuum sensor be located?A. station outlet/ inletB. source sideC.
upstream sideD. NFPA 99 does NOT specify a requirement
◍ A. assure that all ambient air has been removed from the pipeline.
Answer: 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
pipelineB. 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
◍ A. 6 months.
Answer: 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 monthsB. 12 monthsC. 18
monthsD. 24 months
◍ C. 20 feet.
Answer: Pipe labels shall be located at a maximum interval of how many
feet?A. 10 feetB. 15 feetC. 20 feetD. 25 feet
◍ B. ASSE standard 6010.
Answer: The installation of medical gas and vacuum systems shall be made
QUESTIONS WITH CORRECT
ANSWERS GRADED A+
◍ Look at picture #1.
Answer: Look at picture #1
◍ A. 6010.
Answer: 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. 6010B. 6020C. 6030 D. Category 3 does NOT require
certification
◍ The ppm gaseous hydrocarbons in the medical air system shall be less than?.
Answer: 25 ppm
◍ At any level of demand, the medical air dryers shall provide air with a dew
point below this temperature?.
Answer: 32 degrees F
◍ Which of the following is NOT permitted to have the system supply source
located outside?
A. vacuum pumps
B. manifolds for gas cylinders
C. instrument air compressors
D. medical air compressors.
Answer: medical air compressors
◍ A. after blow down of the distribution piping.
Answer: When is the initial pressure test conducted by installer? A. after
blow down of the distribution pipingB. after installation of alarm sensorsC.
, before blow down of the distribution pipingD. before installation of station
rough-in assemblies
◍ Regulators, filters, and dryers shall be sized to meet the peak calculated
demand. The piping format for these items shall be at a minimum?.
Answer: duplexed
◍ They can allow an existing system, which is not in compliance with the
NFPA 99 Code to remain in service..
Answer: Authority Having Jurisdiction (AHJ)
◍ Medical air supply systems operating at different pressures shall be provided
with?.
Answer: pressure regulator
◍ C. polymeric.
Answer: In those portions of systems intended to handle oxygen at pressures
greater than 350 psi, the interconnecting hose shall NOT contain
__________ materials. A. brassB. copperC. polymericD. stainless steel
◍ A. color coding.
Answer: Which of these is an NFPA 99 requirement for the labeling of pipes
in a medical gas system?A. color codingB. fixed label widthC. label shall
wrap completely around the pipeD. reflective label
◍ D. The device will be supervised such that failure of communication shall
initiate an alarm.
Answer: 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 stationD.
The device will be supervised such that failure of communication shall
initiate an alarm.
◍ D. zone valve box.
Answer: Refer to DIAGRAM 1. Identify #7A. in-line valveB. main control
, valveC. service valveD. zone valve box
◍ B. future.
Answer: Refer to DIAGRAM I. Identify #8A. dead endB. future valve C.
history valveD. in-line valve
◍ B. cut ends may be rolled smooth or deburred.
Answer: 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 deburredC.
Extensions need to be added for brazingD. treatment is NOT required; they
may be brazed "as is"
◍ The removal of the outlet connection on a cryogenic liquid container will
cause the container to become?.
Answer: unusable
◍ A building, space, room, or group of rooms intended to serve activities
involving procedures for investigation, diagnosis, or treatment in which
flammable, combustible, or oxidizing materials are to be used..
Answer: laboratory
◍ Carbon dioxide and nitrous oxide cylinders shall be kept from reaching
temperatures below _____..
Answer: 20 degrees F
◍ B. local;master.
Answer: 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; masterB. local;
masterC. master; areaD. master; local
◍ B. local.
Answer: Where liquid ring compressors are used, air receivers shall be
equipped with a high water level sensor that activates a(n) ________ alarm
indicator. A. areaB. localC. masterD. pressure
, ◍ The master alarm shall activate when the instrument air compressor dew
point temperature exceeds _____..
Answer: -22 degrees F
◍ B. -22 degrees F.
Answer: Instrument air systems shall activate the alarm systems when the
dew point at system pressure exceeds how many degrees Fahrenheit?A. -20
degrees FB. -22 degrees FC. -24 degrees FD. -26 degrees F
◍ In this space, alarm sensors shall be installed on the patient's side of each
individual zone valve box..
Answer: Category 1
◍ A. station outlet / inlet.
Answer: In a non-anesthetizing area, on which side of a zone valve shall the
pressure/ vacuum sensor be located?A. station outlet/ inletB. source sideC.
upstream sideD. NFPA 99 does NOT specify a requirement
◍ A. assure that all ambient air has been removed from the pipeline.
Answer: 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
pipelineB. 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
◍ A. 6 months.
Answer: 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 monthsB. 12 monthsC. 18
monthsD. 24 months
◍ C. 20 feet.
Answer: Pipe labels shall be located at a maximum interval of how many
feet?A. 10 feetB. 15 feetC. 20 feetD. 25 feet
◍ B. ASSE standard 6010.
Answer: The installation of medical gas and vacuum systems shall be made
