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Med Gas Pre Test
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Questions in this quiz (73)
1How many egresses (exits) gates are required for outdoor enclosures containing medical gas supply systems?
- A1
- B2
- C3
- DNFPA 99 does not state a requirement
2A positive pressure supply system has duplex line regulators piped in parallel. Which of these is NOT a requirement for the regulators?
- AConstructed of any materials deemed suitable by the manufacturer for the service.
- BEach regulator sized for 110 percent of peak calculated demand
- CIsolation or check valves on the patient side of the regulators
- DIsolation valves on the source side of each regulator
3What is the standard vacuum pressure for WAGD?
- A50-55 PSI
- B345-380 kPa
- C380 mm to 760 mm
- DIt varies with the type of system
4A valve installed in each med gas and vacuum system shall be tested to verify which of the following?
- ADate of installation
- BFlow and pressure drops
- CPressure range
- DProper operation and rooms or areas of control
5Brazing procedures and brazer performance for the installation of med gas and vacuum piping shall be qualified in accordance with which ?
- AASME section IX
- BASSE standard 6010
- CASTM B828
- DAWS B313
6A new bulk system is to be installed at a local hospital; therefore, new wiring from the local panel on the bulk must be run underground to the entry point of the facility. At a minimum, how many sets of wires for each signal are allowable between the initiating device at the bulk and junction box located in the facility?
- A1 or 2
- B1 or 3
- C2 or 3
- D2 or 4
7Which are may be acceptable to communicate with indoor central supply sources of oxygen, nitrous oxide, or mixtures of these gasses?
- AAn in-building emergency reserve location
- BAnesthetizing location
- CAreas of open flame
- DKitchen
8Medical Gas Systems shall be deemed breached at the point of pipeline intrusion ___ or by system component removal, or addition.
- AClosing of Valve
- BCylinder change out
- CPhysical separation
- DTesting
9Who shall witness both the installer performed standing pressure test and standing vacuum test?
- AInstallation contractor superintendent
- BMedical gas verifier
- CThe authority having jurisdiction or its designee
- DA witness is not required
10A medical air compressor intake piping shall be located a minimum of how many feet from any vent?
- A10
- B12
- C15
- D25
11Nitrous Oxide portable containers shall be prevented from reaching temperatures lower than how many degrees Fahrenheit?
- A20
- B0
- CMinus 20
- DMinus 29
12Medical air quality monitoring for dew point shall activate a local alarm and ___ when dew point at system pressure exceeds ____ degrees Fahrenheit.
- AA local alarm and area alarm; +39
- BAll master alarms; +35
- CAll master alarms; +39
- DAll master alarms; +41
13Which gas or vacuum system is considered a medical support gas?
- ACarbon dioxide
- BMedical air
- CNitrogen
- DWAGD
14Which of these is an acceptable location for the exhaust of medical vacuum?
- AAway from public places
- BIndoors
- CNext to medical air intake
- DUnderground
15If copper tube in medical gas system is to be joined using memory metal fittings having a temperature rating of 1000 degrees Fahrenheit the fittings must have a pressure rating of not less than how many psi?
- A150
- B300
- C500
- DThese fittings do not meet the temperature requirement for joining copper tube
16Medical gas piping shall be labeled by ____ identifying it as a patient medical gas, the support gas, or the vacuum system.
- AColor coding each valve
- BHang-tags every 20' and in each room
- CPainting the entire piping system
- DStenciling or adhesive markers
17Non-certified personnel are permitted to install a category 3 piped med-gas delivery system only under which of these conditions?
- AThe installing contractor is certified
- Bwhen the foreman is certified
- Cwhen working directly with an ASSE 6010 certified installer
- DThis is never permitted
18Nitrous Oxide source supplies shall be prevented from reaching temperatures lower than how many degrees Fahrenheit?
- A+32
- B+20
- C-20
- D-22
19Central supply systems for _____, located outside of a facility with a total capacity connected and in storage of 20,000 cu ft or more at standard temperature and pressure, shall comply with NFPA 55.
- ACarbon dioxide
- BNitrous oxide
- COxygen
- DStorage
20According to NFPA 99, electrical devices in manifold rooms must be elevated at least how many feet off the floor to protect them from damage?
- A2
- B3
- C5
- DThere is no height requirement
21Which of these is a requirement when patient medical gasses are piped into areas where their use would not be under supervision of a licensed clinician using them for a purpose clearly relevant to patient treatment?
- AThe outlets for such piping must clearly indicate "NOT FOR PATIENT USE"
- BThe piping must be clearly labeled "NOT FOR PATIENT USE"
- CThis arrangement is only permitted where defined risk assessment has determined the facility to be a category 3
- DPatient medical gasses are NOT permitted to be piped in such areas
22Intake air for instrument air compressor shall be permitted to be drawn from
- ADucted air or from the air handler exhaust only
- BOutside, from ducted air, or from the equipment location
- CThe equipment location only
- DWithin 5 feet of the vacuum exhaust
23Medical gas alarm wiring shall be protected by which of the following ? Choose answer that includes ALL permitted options.
- AConduit, or free air
- BConduit, free air, or wire
- CConduit, free air, wire, or cable tray
- DConduit, free air, wire, cable tray, or raceways
24All station outlets and inlets shall be identified as to name or _____ for the specific medical gas or vacuum provided.
- Achemical symbol
- Bcolor
- Coperating pressure
- Dstyle(quick-connect or DISS)
25How long must the initial pressure test for the piping of medical gasses and vacuum systems by maintained?
- A8 hours
- B24 hours
- CUntil 25% of the joints have been examined for leakage
- DUntil 100% of the joints have been examined for leakage
26According to the 2012 NFPA 99 there are now four relevant patient care categories for medical gasses, and the criteria used to determine which to apply is to perform a defined risk assessment. Which of the following lists the essential criteria which best describe the four categories?
- ADeath or major injury, minor injury, patient discomfort, no impact
- BHospital, outpatient facility, dental facility, laboratory
- CLevel 1, Level 2, Level 3, Level 4
- DMedical, semi-medical, non-medical, mechanical
27Which of these is requirement for both the primary and secondary headers for manifolds which contain cryogenic liquid?
- AInstalled indoors only
- BInstalled outdoors only
- CLocated in same enclosure
- DLocated remote from the facility
28When low-pressure threaded connections are employed in gas equipment they must be in accordance with the applicable sections of which of the following publication?
- AASHRAE Handbook of Fundamentals
- BCDA copper tube handbook
- CCGA V-5 Diameter index safety system
- DThe joint commission comprehensive accreditation manual for hospitals
29The 24 hour standing pressure test of the positive pressure piping system shall be witnessed by which of these individuals or entities?
- AAuthority having jurisdiction
- Bgeneral contractor
- Cinspector
- Dverifier
30Which of the following hazards does NFPA 99 specify shall be considered in the design, installation, testing, and maintenance of medical gas and vacuum piping systems?
- AContamination
- BFire and explosion
- CFire and smoke
- DWAter and gas
31Piping systems for patient gas/vacuum shall ___ used for distribution of flammable anesthetic gasses.
- ABe cleaned after being
- BBe replaced after being
- CBe tagged while being
- DNOT be
32In category 3 medical gas distribution systems the initial cross connection test requires the individual gas system being tested to be pressurized to how many pounds per square inch?
- A50
- B60
- C75
- DA minimum of 150
33Which type of gas storage system requires specialized knowledge and consideration of the information in the NFPA 55 for locating, installing, and inspection?
- ABulk cryogenic systems
- BInstrument air
- C
Manifolds located indoors - DWAGD
34In an emergency oxygen supply connection the check valves are required to be constructed of which of the following materials?
- ABrass, bronze, or stainless steel
- BBrass or Bronze
- CMaterials per the manufacturers recommendations
- DNFPA 99 does NOT establish any material requirements for these check valves
35The accuracy of digital pressure indicators shall be plus or minus what percent of the operating pressure at which they are used?
- A2%
- B3%
- C4%
- D5%
36What minimum clearance (inches) is required around the EOSC?
- A12
- B24
- C36
- DNFPA does not state a requirement
37Metallic flexible joints are being used in the pipeline for vibration control. Which of the following is NOT true of such joints?
- AAble to withstand temperatures of 1000 degrees Fahrenheit
- BProvided with brazing extensions to allow brazing into the pipeline
- CReceived on jobsite with certification of cleanliness
- DSuitable for service at 150 psi or above
38Which of the following is NOT acceptable for the outlet connections of cylinders of cryogenic liquid containers?
- AThey shall be designed to render the attachment point unusable when removed
- BThey shall be gas specific
- CThey shall be integral to the valve
- DThe shall be removed with ordinary tools
39Which of these methods is NOT permitted for a label identification of med gas or vacuum system piping?
- AAdhesive markers with the name of system
- BStenciling name of system
- CStenciling the chemical symbol
- DEach of these labeling methods is acceptable
40Threaded connections in the medical gas piping distribution system are NOT permitted for which of the following devices?
- AAlarm devices
- BIn-line check valves
- CPressure indicators
- DVacuum indicatiors
41When installed in ____ copper tube hangars that are in contact with the tube. A plastic-coated or otherwise electrically insulated from the tube.
- AExtremely dry locations
- BLocations with temperatures below 32 degrees Fahrenheit
- CPotentially damp location
- DUnderground locations
42What is the name of the valve located off the main where the piping runs up through the building?
- AIn-line
- BMain
- CRiser
- DSource
43What is the term for the external device used for the temporary supply of oxygen?
- ACGA
- BEOSC
- CPOC
- DPRV
44Which of these is a requirement for wireless communication devices employed in medical gas warning systems?
- AElectronic shielded
- BInstalled at the med gas or vacuum source
- Clocated at a control desk
- DSupervised such that failure of communication will initiate an alarm
45When/where are flexible metallic joints permitted in the med-gas pipeline?
- AOnly on the patient side of the source valve
- BOnly on the source side of the source valve
- Cwhen provided with extensions for brazing
- Dwhen suitable for service at 150 psig or above
46In med-gas piping systems. Off the main line before any distribution . What is the name of this valve?
- AAn occlusion
- BMain valve
- CService Valve
- DSource Valve
47A plumbing contractor, certified as an ASSE 6010 installer, is installing the med-gas system in a new category 1 facility. When is it permissible for his employees who are not certified as ASSE 6010 installers to install piing or components of the med-gas systems?
- AWhen work involves equipment and not piping
- BWhen working directly with an installer
- CWhen working for a contractor who is certified, installers are not required to be certified
- DWorkers who are not certified are NOT permitted to install med-gas piping or equipment
48Which test shall follow the initial blow down test?
- AInitial cross connection test
- BInitial piping purge test
- CInitial pressure test
- DStanding pressure test
49Where piping tests are required. The test gas shall be ___ ___ ____ ____ __ __.
- ACompressed oil-free dry air
- BOil-free dry nitrogen NF
- CSource gas
- DAny of the above
50Medical AIr sources shall be used only for____ and calibration of medical respiratory devices
- AHuman Respiration
- BAir-operating devices
- CInstrument Air
- DAll of Above
51The emergency oxygen supply connection shall be installed on the exterior of the building being served, protected from physical damage, and with a minimum of how many feet of clearance around the Connection?
- A3
- B5
- CMinimum clearance is to be determined by the facility risk assessment
- DThere is NO minimum clearance requirement
52NFPA 99 requires that personnel using cylinder and containers shall be familiar with which of the following?
- ADiameter-index safety system
- BPin-index safety system
- CSpacing and insulation appropriate to the frequency involved
- DBoth A and B
53When compnents have been replaced in manifolds or compressors the system is considered breached and shall be required to be?
- AApproved by the AHJ
- BApproved by the manufacturer
- CInspected and tested
- DThere is no further equipment
54Which organization is responsible for determining the correct occupancy of an area within a health care facility?
- AThe Facility
- BThe general contractor
- CThe installer
- DThe verifier
55Zone valves are NOT permitted to be installed in which of these locations?
- AIn the same room as the outlets and inlets that it serves
- BOn the same floor as the outlets and inlets that it serves
- CWith a wall between the outlets and inlets that it serves
- DWith valves placed for ready access
56Where WAGD is produced by the medical surgical vacuum source the total concentration of oxidizers shall be maintained below ______ percent?
- A19.5
- B20.6
- C22.6
- D23.6
57Which of the following statements is NOT permitted for joining vacuum distribution pipeline systems?
- AAxially swaged
- BMemory metal
- CNon- removable push-fit
- DWelded
58How many hours must the medical air compressor system be operating normally before air quality test be performed?
- A2
- B8
- C12
- D32
59Which of the following types of tubes may NOT be used to construct the medical air intake piping?
- AASTM B 280 copper ACR tube
- BASTM B 88 (type K, L, or M)
- CBlack Pipe (Schedule 40)
- DStainless steel tube
60THe installer shows documentation that the intial pressure test for the vacuum system was conducted at 50 PSI. What pressure should the installer have performed this test?
- A30 in. HG
- B30 PSi
- C60 PSI
- D150 PSI
61What is the classification for a patient care room in which failure of equipment could result in major injury to a patient. Which type of facility is this considered under the code?
- ABasic care
- BCritical care
- CGeneral care
- DSupport
62A facility has an ICU where failure of the medical gas system could result in major injury to a patient. Which type of facility is this considered under the code?
- ACategory 1
- BCategory 2
- CLevel 1
- DLevel 2
63Which of the following statements is NOT correct relative to an Emergency Oxygen Supply Connection (EOSC)
- AA female Dn (NPS) inlet connection for the EOSC must be sized for 100 percent of the system demand
- BA high pressure oxygen reserve with a capacity with one hours supply may be substituted for the EOSC
- CAn EOSC must be provided with a minimum 3 feet of clearance around the connection
- DEach free standing building served from a single oxygen source must be afforded the benefit that comes from an EOSC or adequate substitute is required to be provided with a separate emergency connection
64Service and sealed water used for liquid ring compressors shall be _____ to protect against waterbourne pathogens
- AHyper-chlorinated water
- BReclaimed water
- CSoft water
- DTreated water
65Which procedure is allowable for the tube end preparation while installing copper tubing for a medical gas distribution system?
- ACleaning with steel wool
- BCutting with a reciprocating saw
- CReaming
- DRolled smooth or de-bured
66Which of these is true for the installation of alarm sensors?
- AIn secured areas
- BPermanently
- CSo as to be removable for testing
- DWith threaded connection
67Which of the following is a requirement for the configuration of a zone valve box?
- ALocated in the room it serves
- BLocked so that is inaccessible to the public
- CPlaced such that a wall intervenes between the valves and the outlets/inlets they control
- DServe outlets/inlets located on 2 or more floors
68Standard depth copper fittings for brazing shall be mechanically limited to a make-up depth that is not less than the?
- AANSI/ASME standard for brazing
- BANSI/ASME standard for soldering
- CTool manufacturers recommendations
- DNFPA 99 does not permit mechanical limitation to alter the make-up depth of a fitting
69Central supply systems for ____, located outside of a facility with a total capacity connected and in storage of 20,000 cu. Ft. or more at standard temperature and pressure, shall comply with NFPA 55
- ACarbon Dioxide
- BNitrous Dioxide
- COxygen
- DStorage
70A medical air proportioning system shall have a local alarm that monitors which of the following conditions? Choose the answer that includes ALl permitted options.
- AThe medical air concentration is NOT consifered
- BThe warning system indicates nonconforming oxygen concentrations
- CThe medical air has a reserve
- DThe proportioning system is simplex
71Drops to individual station outlets and inlets shall be not less than?
- A3/8 O.D.
- B1/2 O.D.
- C5/8 O.D.
- D3/4 O.D.
72Which of the following are required when installing shutoff valves for connection of future piping?
- ALocked or latched closed
- BIdentified and labeled
- CBrazed extension and capped
- DAll of above
73Area alarm panels for medical/surgical vacuum systems shall indicate if the vacuum in the area drops below______gauge Hg/v
- A29.9 in.
- B30 in.
- C12 in.
- D10 in.
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- Quiz on Med Gas Pre Test, created by brandon_c28 on 16/01/2014.
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- brandon_c28
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