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NFPA 99 2021 Study Guide Flashcards | StudBud
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NFPA 99 2021 Study Guide
NFPA 99 2021 Study Guide
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1
After completion of installer tests, which of these methods is permitted by code to test for cross connections?
None of the above
Pressure differential under the oversight of the AHJ
Individual pressurization only
Individual pressurization and pressure differential
2
In this drawing, identify “X”
Changeover alarm switch sensor
Manifold for gas cylinders
Intermediate relief valve
Header valve
3
In an EOSC, check valves are to be constructed of what?
Stainless Steel
Brass, Bronze, Stainless Steel
Brass, Bronze
Manufacturer shall recommend construction of check valves
4
The medical air compressor intake shall be located at a minimum of how many feet from any exhaust or plumbing vents?
20’
12’
10’
25’
5
Which of the following systems shall not be located in the same indoor enclosure?
Manifolds for gas cylinders with/without reserve
Bulk cryo liquid system
Instrument air standby leader
Manifolds for cryo liquid cylinders
6
Compressed gas cylinders must meet all EXCEPT the following for use in an acute health care facility:
Labels shall be color coded
Tables for liquid containers shall have 2” Lettering
Labels must not be altered or removed
Contents are appropriate identified with stencils
7
Metallic flexible joints are being used in the pipeline for vibration control. Which of the following is NOT required?
Able to withstand 1000°F
Received on job site with certification of cleanliness
Provided with brazing extensions to allow brazing into the pipeline
Suitable for service at 150 psig or above
8
Since dew point and carbon monoxide monitors are upstream of source valve, demand check fittings are not required
True
False
9
Which type of medgas has an oxygen concentration > or = to 90%, and < or = to 96% ?
Oxygen 93 USP
Medical Air USP
Oxygen Enriched USP
Oxygen USP
10
Bull cryo liquid sys sites shall have ___” of clearance around storage container, vaporizer, press-reg manifold
2
4
3
5
11
All positive pressure supply systems shall be provided with means to control final like pressure @ source and include
Controls that are able to provide 100 percent capacity
Protection against overpressure
Ability to service components while maintaining normal operation
All of the above
12
Central supply system with 3200lbs storage capacity @ normal temperature best describes which system?
Cylinder system
Bulk Cryo Fluid Central Supply
Micro bulk cryogenic fluid central supply
Bulk nitrous oxide central supply
13
Instrument sir systems shall activate and alarm when dew point of system pressure exceeds _____ °F
35
-35
22
-22
14
MedGas Central Supply Systems are NOT permitted to be located where?
Shall be protected from physical damage
In an unlocked location
Outdoors
Remote from the medgas system use points
15
Which of the following is a requirement for a zone valve
A wall must intervene between the valves and inlets/outlets they control
Serve inlets/outlets on two or more floors
Located in the room it serves
Locked so that valves are inaccessible to the public
16
When an installer installs products or devices not designated by code, items must be approved by which of the following
Design engineer
AHJ
Medical professional
Facility staff
17
Brazing procedures and brazer performance for the use of installation of medical gas and vacuum piping: qualified with:
AWS B31.3
ASME Section IX
None of the above
ASSE 6010
18
Fittings, valves, etc for field installed positive Pressure Distro systems shall be _ until prepared for installation
Kept at max inventory level
Stored or locked in a secure area
Delivered sealed, labeled, & kept sealed
Plugged or capped my manufacturer
19
Gas produced by evap from the secondary header in a cryo liquid cylinder shall enter supply system _ of final line reg
Upstream of the filter
Downstream
NFPA 99 does not specify a requirement
Upstream
20
Audible and visual alarm indicators shall meet which of the following requirements?
Testing to indicator function should be scheduled and records made
The staff should be trained to operate the test button and make records
Individual indicators shall NOT be less than DN20 size
CGA C-7
21
Manifolds for Gas Cyl shall actuate __ signal and activate an indicator at all __ alarm panels before changeover
Master, Area
Area, Master
Master, Local
Local, Master
22
During patient emergency, NFPA 99 code may be superseded by ___ and actions shall be reviewed and documented
AHJ
A medical professional
Governing body
Operation manager
23
For medical surgical vac systems, piping shall be hard-drawn, seamless copper type ________.
All of the above
ASTM B819
ASTM B280
ASTM B88
24
Gas storage for Central Supply Systems requires knowledge of NFPA55 for locating, install, inspection of what?
Bulk Gas
Nitrous Oxide
Argon
Carbon Dioxide
25
Installers of micro bulk cryo liquid sys’s shall meet CGA-M1 Standard, guide for MedGas installations onsite
False
True
26
Prior to the installation of manufactured assembly, documentation shall be provided for all EXCEPT what?
Initial pressure
Operational pressure
Piping purge
Cross connection
27
The level of sedation allowed for use in a Cat 2 dental facility is limited to which of the following
General anesthesia or deep sedation
Moderate sedation only
Moderate and minimal sedation
Minimal or no sedation
28
Non-Mandated fundamentals and recommended guidelines for medgas shall be located in ___ of NFPA99 or ASSE6000 standards
Scope or scheme
Annexes or Appendices
1st or 2nd chapters
Qualifications or performance knowledge
29
Installers should have documentation saying which piping materials were used to install a medgas Distro system?
ASTM A269/A269M stainless steel tube
ASTM A312/A312M stainless steel tube
ASTM B88 hard drawn copper tube
ASTM B819 hard drawn copper tube
30
Manifolds for cryo liquid containers shall consist of ___ equal headers, with enough liquid for average day supply
2
3
1
4
31
Which of these is required for a station inlet
A manual vacuum line
A secondary demand valve
A primary optional in-line
A primary valve
32
All pressure relief valves shall be made of _, brass, or bronze
Copper
Black steel
Cast Iron
Stainless Steel
33
New wiring is installed underground from source to junc box entering bldg. what is the min set of wires allowed
1
4
3
2
34
Who is responsible for reviewing all inspection / testing reports prior to using new, additional or renovated medgas sys
Onsite verifier
Responsible facility authority
Inspector of records
AHJ
35
In a non-anesthetizing area, on which side of zone valve shall pressure/vac sensor be located?
NFPA 99 does not specify a requirement
Source side
Station Outlet/inlet
Upstream side
36
The installer of micro-bulk or small cryo liquid system shall meet the mandatory requirement of ______.
ASSE 6030
ASSE 6010
ASSE 6040
ASSE 6015
37
Which is true of Cat 1 support gases
Permitted to power medical-surgical tools
Used for respiration only
May convey gases other than air
Subject to hazards greater than other piped gases
38
When an EOSC becomes the temporary supply source, a facility will monitor the system by use of which of the following?
Providing four connection points to both master alarms
Providing visible indicators and a local signal at the source
Installing additional local alarms
Having personnel on standby during that time period
39
A medical air portioning system shall have a minimum of how many recorders for system performance for a period of 24hrs
4
3
2
1
40
What year did the Illuminati take over the Federal Banking system
The federal reserve was already the illuminati before being enacted
1913
George Bush did 9/11
1872
41
Dental vac and scavenging components in a medgas system are used for which of the following purposes?
Drainage and suction of bodily fluids
Removal of anesthetic gas only
Capture and carry away all general anesthesia
Expel nitrous oxide and oxygen
42
Medical air sources shall be used only for _________ and human respiration
Air-opening devices
Calibration of medical respiratory devices
Disinfecting tools
Instrument air
43
Medical air compressors: the dew point high alarm will initiate when line pressure dew point is greater than ___°F
+32
-35
+35
-22
44
A gauge reading exceeds 200psi. This is defined as which type of pressure in a piping system?
Normal
Low
High
Standard
45
Which following hazards should be considered in design, install, test & maint. of medgas & vacuum piping systems?
Fire & smoke
Water & gas
Contamination
Fire & explosions
46
Factory installed inlet tubes on station outlets shall NOT be less than _ with 0.3” minimum inside diameter
NPS 1/8, 1/4 OD
NPS 1/2, 5/8 OD
NPS 1/4, 3/8 OD
NPS 3/8, 1/2 OD
47
Pipe labels shall be located at a max interval of ____ feet
15
20
25
10
48
Scale range of positive pressure analog indicators is within the ___ third of the total range
Top
Bottom
Middle
Lower
49
Cat 1 support gases carry which of these additional hazards?
More highly explosive
Asphyxiation
Risk of death or serious injury in a Cat 1 facility
Higher pressures
50
Maintenance of which of the following onsite, supporting documentation is required of a med gas installer?
ASSE 6010 License
Braze test coupon
Brazing qualification & procedure
Brazing procedure and expiration date
51
ASSE 6000 Annex J guidelines do NOT include a list of responsibilities for which type of worker?
MedGas Generalist
Installer
Shutdown coordinator
Verifier
52
Louvre openings for natural ventilation shall have a minimum free area of
70 sq in
62 sq in
72 sq in
60 sq in
53
The factory installed tubing on station outlets/inlets shall extend no further than _____ from the body of the terminal
8”
10”
6”
12”
54
CSS’s for nitrous oxide & carbon dioxide: Cylinders or portable containers shall be prevented from reaching ___ °F
-20
-22
-35
20
55
Who is the designee of Wet procedure locations
Governing body of health care organization
Facility or doctors
Facility or staff
Engineers
56
A Cat 1 WAGD source shall consist of ___ or more producers, each sufficient for peak calculated demand.
All of the above
1
2
3
57
Cat 2 dental gas and vac systems require documentation for the installation of what?
Oxygen and nitrous oxide
Dental support pipes
Dental vacuum and nitrous oxide scavenging
All brazing piping
58
Categories shall be determined by following and documenting a defined risk assessment procedure
False
True
59
The RESERVE HEADER in a cryo liquid cylinder manifold system shall have 1 days supply, but not less than _ connections?
3
4
1
2
60
Which of the following is an instrument air quality requirement
It shall be compliant with medical air USP
It shall be compliant with instrument air section ANSI/ISA S-7 0.01
It shall be filtered to 0.7
It shall be dry to a dew point of -30°F
61
If driers, filters & regulators are sized to serve peak demand, they shall not be duplexed
False
True
62
Cat 1 Facility: Which of the following is correct for the standing vacuum test for vacuum piping?
Leakage due to specific changes in ambient temp over .5% of pressure is ok
All of the above
During test, source of test vacuum shall be disconnected from piping
Standing vacuum test is performed after completion of pressure test
63
The installer performed the initial pressure test for the vac sys @ 50psi. Which pressure should the installer have used
150 psi
30 psi
30 in. Hg
60 psi
64
Which type of Cat 1 Medgas Sys includes medical support gas / vac, which consist of 2 sources, with controls, components
Essential medgas & vacuum
Bulk supply
Health care facility
Central supply
