NFPA 99 EXAM WITH CORRECT
QUESTIONS WITH CORRECTRY ANALYZED
ANSWERS (ACTUAL EXAM) ALREADY
GRADED A+ LATEST 2024 – 2025
The installation of medical gas and vacuum systems shall be made by
experienced, qualified and competent installers. Installer shall meet the
requirements of which code / standard?
A) ASME Section 1x.
B) ASSE Standard 6010.
C) AWS B31.3 ,
D) CGA M-1. - ANSWERS-B) ASSE standard 6010
The removal of components within a source system for repair and reinstallation
or for replacement shall be treated as new work for the purpose of testing
whenever such work involves which of the following?
,A) air quality monitoring.
B) calibration of alarm systems.
C) cutting and/or brazing new pipe.
D) system control systems. - ANSWERS-C) Cutting and/or brazing new piping
When is the initial pressure test conducted by the installer?
A) after blowdown of the distribution piping.
B) after installation of alarm sensors.
C) before blowdown of distribution piping.
D) before installation of station rough in assembly. - ANSWERS-A) After blow-
down of the distribution piping.
In those portions of systems intended to handle oxygen at pressure greater than
350 psi the inter connecting hose shall not contain what materials?
A) brass.
B) copper
C) polymeric
D) stainless steel - ANSWERS-C) Polymeric
The tool shown here allows the installer to mechanically limit the makeup depth
of the fitting to be brazed. Under what condition is this method permitted for the
installation of medical gas piping?
A) only on final line connectors.
,B) only on vacuum systems.
C) where only B cup 5 brazing rod is used
D) where the limited makeup depth is not less than minimum cut depth her ANSI
/ ASME recommendations - ANSWERS-D) Where the limited makeup depth is not
less than minimum cup depth current ANSI\ASME recommendation
What is the standard gauge pressure for nitrogen gas service?
A) 15 - 30
B) 50 - 55
C) 162 185
D) it varies with system type. - ANSWERS-C) 50 - 55 psi
What is a NFPA 99 requirement for labeling of pipes in medical gas system?
A) color coding
B) fixed label with
C) label shall wrap completely around pipe.
D) reflective label - ANSWERS-A) Color coding
Under which of these conditions shall the instrument Air Reserve header cylinders
be permitted to be stored with the instrument air compressor?
A) the mechanical equipment room does not contain a boiler.
B) the medical air compressors are in the same room.
C) the only motor-driven machinery in the room is for instrument air equipment.
, D) the room is secured with lockable doors. - ANSWERS-C) The only motor-driven
machinery in the room is for the instrument air equipment
Riser valves are those valves located where?
A) adjacent to the main riser downstream of any zone valve.
B) anywhere in the lateral branches of the piping system.
C) in the mainline adjacent to the base of the riser.
D) in the riser adjacent to the mainline. - ANSWERS-D) In the riser adjacent to the
main line
A wireless communication device is employed in a medical gas or vacuum warning
system. what type of supervision is required for this device?
A) a visual indicator Shelby located in maintenance officer or engineering
department.
B) this device shall be installed at the medical gas or vacuum source.
C) this device shall be located at nurses station.
D) this device will be supervised such that failure communication shall initiate an
alarm. - ANSWERS-D) This device will be supervised such that failure of
communication shall initate an alarm
In a facility where Medical Gas vacuum systems are present and the failure of
such equipment or systems is likely to cause any major injury or death to patients
or caregivers this system shall be designed to meet which category requirements?
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