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Quiz von brandon_c28, aktualisiert more than 1 year ago
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Frage 1
Frage
How many egresses (exits) gates are required for outdoor enclosures containing medical gas supply systems?
Antworten
-
1
-
2
-
3
-
NFPA 99 does not state a requirement
Frage 2
Frage
A positive pressure supply system has duplex line regulators piped in parallel. Which of these is NOT a requirement for the regulators?
Antworten
-
Constructed of any materials deemed suitable by the manufacturer for the service.
-
Each regulator sized for 110 percent of peak calculated demand
-
Isolation or check valves on the patient side of the regulators
-
Isolation valves on the source side of each regulator
Frage 3
Frage
What is the standard vacuum pressure for WAGD?
Antworten
-
50-55 PSI
-
345-380 kPa
-
380 mm to 760 mm
-
It varies with the type of system
Frage 4
Frage
A valve installed in each med gas and vacuum system shall be tested to verify which of the following?
Antworten
-
Date of installation
-
Flow and pressure drops
-
Pressure range
-
Proper operation and rooms or areas of control
Frage 5
Frage
Brazing procedures and brazer performance for the installation of med gas and vacuum piping shall be qualified in accordance with which ?
Antworten
-
ASME section IX
-
ASSE standard 6010
-
ASTM B828
-
AWS B313
Frage 6
Frage
A 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?
Antworten
-
1 or 2
-
1 or 3
-
2 or 3
-
2 or 4
Frage 7
Frage
Which are may be acceptable to communicate with indoor central supply sources of oxygen, nitrous oxide, or mixtures of these gasses?
Antworten
-
An in-building emergency reserve location
-
Anesthetizing location
-
Areas of open flame
-
Kitchen
Frage 8
Frage
Medical Gas Systems shall be deemed breached at the point of pipeline intrusion ___ or by system component removal, or addition.
Antworten
-
Closing of Valve
-
Cylinder change out
-
Physical separation
-
Testing
Frage 9
Frage
Who shall witness both the installer performed standing pressure test and standing vacuum test?
Antworten
-
Installation contractor superintendent
-
Medical gas verifier
-
The authority having jurisdiction or its designee
-
A witness is not required
Frage 10
Frage
A medical air compressor intake piping shall be located a minimum of how many feet from any vent?
Antworten
-
10
-
12
-
15
-
25
Frage 11
Frage
Nitrous Oxide portable containers shall be prevented from reaching temperatures lower than how many degrees Fahrenheit?
Antworten
-
20
-
0
-
Minus 20
-
Minus 29
Frage 12
Frage
Medical air quality monitoring for dew point shall activate a local alarm and ___ when dew point at system pressure exceeds ____ degrees Fahrenheit.
Antworten
-
A local alarm and area alarm; +39
-
All master alarms; +35
-
All master alarms; +39
-
All master alarms; +41
Frage 13
Frage
Which gas or vacuum system is considered a medical support gas?
Antworten
-
Carbon dioxide
-
Medical air
-
Nitrogen
-
WAGD
Frage 14
Frage
Which of these is an acceptable location for the exhaust of medical vacuum?
Antworten
-
Away from public places
-
Indoors
-
Next to medical air intake
-
Underground
Frage 15
Frage
If 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?
Antworten
-
150
-
300
-
500
-
These fittings do not meet the temperature requirement for joining copper tube
Frage 16
Frage
Medical gas piping shall be labeled by ____ identifying it as a patient medical gas, the support gas, or the vacuum system.
Antworten
-
Color coding each valve
-
Hang-tags every 20' and in each room
-
Painting the entire piping system
-
Stenciling or adhesive markers
Frage 17
Frage
Non-certified personnel are permitted to install a category 3 piped med-gas delivery system only under which of these conditions?
Antworten
-
The installing contractor is certified
-
when the foreman is certified
-
when working directly with an ASSE 6010 certified installer
-
This is never permitted
Frage 18
Frage
Nitrous Oxide source supplies shall be prevented from reaching temperatures lower than how many degrees Fahrenheit?
Antworten
-
+32
-
+20
-
-20
-
-22
Frage 19
Frage
Central 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.
Antworten
-
Carbon dioxide
-
Nitrous oxide
-
Oxygen
-
Storage
Frage 20
Frage
According to NFPA 99, electrical devices in manifold rooms must be elevated at least how many feet off the floor to protect them from damage?
Antworten
-
2
-
3
-
5
-
There is no height requirement
Frage 21
Frage
Which 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?
Antworten
-
The outlets for such piping must clearly indicate "NOT FOR PATIENT USE"
-
The piping must be clearly labeled "NOT FOR PATIENT USE"
-
This arrangement is only permitted where defined risk assessment has determined the facility to be a category 3
-
Patient medical gasses are NOT permitted to be piped in such areas
Frage 22
Frage
Intake air for instrument air compressor shall be permitted to be drawn from
Antworten
-
Ducted air or from the air handler exhaust only
-
Outside, from ducted air, or from the equipment location
-
The equipment location only
-
Within 5 feet of the vacuum exhaust
Frage 23
Frage
Medical gas alarm wiring shall be protected by which of the following ? Choose answer that includes ALL permitted options.
Antworten
-
Conduit, or free air
-
Conduit, free air, or wire
-
Conduit, free air, wire, or cable tray
-
Conduit, free air, wire, cable tray, or raceways
Frage 24
Frage
All station outlets and inlets shall be identified as to name or _____ for the specific medical gas or vacuum provided.
Antworten
-
chemical symbol
-
color
-
operating pressure
-
style(quick-connect or DISS)
Frage 25
Frage
How long must the initial pressure test for the piping of medical gasses and vacuum systems by maintained?
Antworten
-
8 hours
-
24 hours
-
Until 25% of the joints have been examined for leakage
-
Until 100% of the joints have been examined for leakage
Frage 26
Frage
According 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?
Antworten
-
Death or major injury, minor injury, patient discomfort, no impact
-
Hospital, outpatient facility, dental facility, laboratory
-
Level 1, Level 2, Level 3, Level 4
-
Medical, semi-medical, non-medical, mechanical
Frage 27
Frage
Which of these is requirement for both the primary and secondary headers for manifolds which contain cryogenic liquid?
Antworten
-
Installed indoors only
-
Installed outdoors only
-
Located in same enclosure
-
Located remote from the facility
Frage 28
Frage
When low-pressure threaded connections are employed in gas equipment they must be in accordance with the applicable sections of which of the following publication?
Antworten
-
ASHRAE Handbook of Fundamentals
-
CDA copper tube handbook
-
CGA V-5 Diameter index safety system
-
The joint commission comprehensive accreditation manual for hospitals
Frage 29
Frage
The 24 hour standing pressure test of the positive pressure piping system shall be witnessed by which of these individuals or entities?
Antworten
-
Authority having jurisdiction
-
general contractor
-
inspector
-
verifier
Frage 30
Frage
Which 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?
Antworten
-
Contamination
-
Fire and explosion
-
Fire and smoke
-
WAter and gas
Frage 31
Frage
Piping systems for patient gas/vacuum shall ___ used for distribution of flammable anesthetic gasses.
Antworten
-
Be cleaned after being
-
Be replaced after being
-
Be tagged while being
-
NOT be
Frage 32
Frage
In 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?
Antworten
-
50
-
60
-
75
-
A minimum of 150
Frage 33
Frage
Which type of gas storage system requires specialized knowledge and consideration of the information in the NFPA 55 for locating, installing, and inspection?
Antworten
-
Bulk cryogenic systems
-
Instrument air
-
Manifolds located indoors
-
WAGD
Frage 34
Frage
In an emergency oxygen supply connection the check valves are required to be constructed of which of the following materials?
Antworten
-
Brass, bronze, or stainless steel
-
Brass or Bronze
-
Materials per the manufacturers recommendations
-
NFPA 99 does NOT establish any material requirements for these check valves
Frage 35
Frage
The accuracy of digital pressure indicators shall be plus or minus what percent of the operating pressure at which they are used?
Antworten
-
2%
-
3%
-
4%
-
5%
Frage 36
Frage
What minimum clearance (inches) is required around the EOSC?
Antworten
-
12
-
24
-
36
-
NFPA does not state a requirement
Frage 37
Frage
Metallic flexible joints are being used in the pipeline for vibration control. Which of the following is NOT true of such joints?
Antworten
-
Able to withstand temperatures of 1000 degrees Fahrenheit
-
Provided with brazing extensions to allow brazing into the pipeline
-
Received on jobsite with certification of cleanliness
-
Suitable for service at 150 psi or above
Frage 38
Frage
Which of the following is NOT acceptable for the outlet connections of cylinders of cryogenic liquid containers?
Antworten
-
They shall be designed to render the attachment point unusable when removed
-
They shall be gas specific
-
They shall be integral to the valve
-
The shall be removed with ordinary tools
Frage 39
Frage
Which of these methods is NOT permitted for a label identification of med gas or vacuum system piping?
Antworten
-
Adhesive markers with the name of system
-
Stenciling name of system
-
Stenciling the chemical symbol
-
Each of these labeling methods is acceptable
Frage 40
Frage
Threaded connections in the medical gas piping distribution system are NOT permitted for which of the following devices?
Antworten
-
Alarm devices
-
In-line check valves
-
Pressure indicators
-
Vacuum indicatiors
Frage 41
Frage
When installed in ____ copper tube hangars that are in contact with the tube. A plastic-coated or otherwise electrically insulated from the tube.
Antworten
-
Extremely dry locations
-
Locations with temperatures below 32 degrees Fahrenheit
-
Potentially damp location
-
Underground locations
Frage 42
Frage
What is the name of the valve located off the main where the piping runs up through the building?
Antworten
-
In-line
-
Main
-
Riser
-
Source
Frage 43
Frage
What is the term for the external device used for the temporary supply of oxygen?
Antworten
-
CGA
-
EOSC
-
POC
-
PRV
Frage 44
Frage
Which of these is a requirement for wireless communication devices employed in medical gas warning systems?
Antworten
-
Electronic shielded
-
Installed at the med gas or vacuum source
-
located at a control desk
-
Supervised such that failure of communication will initiate an alarm
Frage 45
Frage
When/where are flexible metallic joints permitted in the med-gas pipeline?
Antworten
-
Only on the patient side of the source valve
-
Only on the source side of the source valve
-
when provided with extensions for brazing
-
when suitable for service at 150 psig or above
Frage 46
Frage
In med-gas piping systems. Off the main line before any distribution . What is the name of this valve?
Antworten
-
An occlusion
-
Main valve
-
Service Valve
-
Source Valve
Frage 47
Frage
A 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?
Antworten
-
When work involves equipment and not piping
-
When working directly with an installer
-
When working for a contractor who is certified, installers are not required to be certified
-
Workers who are not certified are NOT permitted to install med-gas piping or equipment
Frage 48
Frage
Which test shall follow the initial blow down test?
Antworten
-
Initial cross connection test
-
Initial piping purge test
-
Initial pressure test
-
Standing pressure test
Frage 49
Frage
Where piping tests are required. The test gas shall be ___ ___ ____ ____ __ __.
Antworten
-
Compressed oil-free dry air
-
Oil-free dry nitrogen NF
-
Source gas
-
Any of the above
Frage 50
Frage
Medical AIr sources shall be used only for____ and calibration of medical respiratory devices
Antworten
-
Human Respiration
-
Air-operating devices
-
Instrument Air
-
All of Above
Frage 51
Frage
The 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?
Antworten
-
3
-
5
-
Minimum clearance is to be determined by the facility risk assessment
-
There is NO minimum clearance requirement
Frage 52
Frage
NFPA 99 requires that personnel using cylinder and containers shall be familiar with which of the following?
Antworten
-
Diameter-index safety system
-
Pin-index safety system
-
Spacing and insulation appropriate to the frequency involved
-
Both A and B
Frage 53
Frage
When compnents have been replaced in manifolds or compressors the system is considered breached and shall be required to be?
Antworten
-
Approved by the AHJ
-
Approved by the manufacturer
-
Inspected and tested
-
There is no further equipment
Frage 54
Frage
Which organization is responsible for determining the correct occupancy of an area within a health care facility?
Antworten
-
The Facility
-
The general contractor
-
The installer
-
The verifier
Frage 55
Frage
Zone valves are NOT permitted to be installed in which of these locations?
Antworten
-
In the same room as the outlets and inlets that it serves
-
On the same floor as the outlets and inlets that it serves
-
With a wall between the outlets and inlets that it serves
-
With valves placed for ready access
Frage 56
Frage
Where WAGD is produced by the medical surgical vacuum source the total concentration of oxidizers shall be maintained below ______ percent?
Antworten
-
19.5
-
20.6
-
22.6
-
23.6
Frage 57
Frage
Which of the following statements is NOT permitted for joining vacuum distribution pipeline systems?
Antworten
-
Axially swaged
-
Memory metal
-
Non- removable push-fit
-
Welded
Frage 58
Frage
How many hours must the medical air compressor system be operating normally before air quality test be performed?
Antworten
-
2
-
8
-
12
-
32
Frage 59
Frage
Which of the following types of tubes may NOT be used to construct the medical air intake piping?
Antworten
-
ASTM B 280 copper ACR tube
-
ASTM B 88 (type K, L, or M)
-
Black Pipe (Schedule 40)
-
Stainless steel tube
Frage 60
Frage
THe 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?
Antworten
-
30 in. HG
-
30 PSi
-
60 PSI
-
150 PSI
Frage 61
Frage
What 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?
Antworten
-
Basic care
-
Critical care
-
General care
-
Support
Frage 62
Frage
A 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?
Antworten
-
Category 1
-
Category 2
-
Level 1
-
Level 2
Frage 63
Frage
Which of the following statements is NOT correct relative to an Emergency Oxygen Supply Connection (EOSC)
Antworten
-
A female Dn (NPS) inlet connection for the EOSC must be sized for 100 percent of the system demand
-
A high pressure oxygen reserve with a capacity with one hours supply may be substituted for the EOSC
-
An EOSC must be provided with a minimum 3 feet of clearance around the connection
-
Each 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
Frage 64
Frage
Service and sealed water used for liquid ring compressors shall be _____ to protect against waterbourne pathogens
Antworten
-
Hyper-chlorinated water
-
Reclaimed water
-
Soft water
-
Treated water
Frage 65
Frage
Which procedure is allowable for the tube end preparation while installing copper tubing for a medical gas distribution system?
Antworten
-
Cleaning with steel wool
-
Cutting with a reciprocating saw
-
Reaming
-
Rolled smooth or de-bured
Frage 66
Frage
Which of these is true for the installation of alarm sensors?
Antworten
-
In secured areas
-
Permanently
-
So as to be removable for testing
-
With threaded connection
Frage 67
Frage
Which of the following is a requirement for the configuration of a zone valve box?
Antworten
-
Located in the room it serves
-
Locked so that is inaccessible to the public
-
Placed such that a wall intervenes between the valves and the outlets/inlets they control
-
Serve outlets/inlets located on 2 or more floors
Frage 68
Frage
Standard depth copper fittings for brazing shall be mechanically limited to a make-up depth that is not less than the?
Antworten
-
ANSI/ASME standard for brazing
-
ANSI/ASME standard for soldering
-
Tool manufacturers recommendations
-
NFPA 99 does not permit mechanical limitation to alter the make-up depth of a fitting
Frage 69
Frage
Central 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
Antworten
-
Carbon Dioxide
-
Nitrous Dioxide
-
Oxygen
-
Storage
Frage 70
Frage
A medical air proportioning system shall have a local alarm that monitors which of the following conditions? Choose the answer that includes ALl permitted options.
Antworten
-
The medical air concentration is NOT consifered
-
The warning system indicates nonconforming oxygen concentrations
-
The medical air has a reserve
-
The proportioning system is simplex
Frage 71
Frage
Drops to individual station outlets and inlets shall be not less than?
Antworten
-
3/8 O.D.
-
1/2 O.D.
-
5/8 O.D.
-
3/4 O.D.
Frage 72
Frage
Which of the following are required when installing shutoff valves for connection of future piping?
Antworten
-
Locked or latched closed
-
Identified and labeled
-
Brazed extension and capped
-
All of above
Frage 73
Frage
Area alarm panels for medical/surgical vacuum systems shall indicate if the vacuum in the area drops below______gauge Hg/v
Antworten
-
29.9 in.
-
30 in.
-
12 in.
-
10 in.
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