Med gas Exam UPDATED ACTUAL Study
QUESTIONS AND CORRECT ANSWERS
Central Supply systems for positive pressure gases shall have one or more relief valves, the
valves shall have a relief setting that is ____% above normal operating pressure = -
CORRECT ANSWER 50%
When vented to the outside, relief valve vent lines shall be labeled in which way? -
CORRECT ANSWER any mater that will distinguish them from medical gas pipeline
An auxiliary source connection shall consist of all the following except. - CORRECT
ANSWER a. Removable plug or cap
B. Tee
C. Valve
****d. Visual pressure indicator
In central supply systems using gas or liquid cylinders, each header shall have a _______ to
prevent debris from entering the manifold control. - CORRECT ANSWER filter
Manifolds for gas cylinders shall consist of two equal headers, each header with enough
cylinders for an average day supply, but not fewer than ______ connections - CORRECT
ANSWER 2
Manifolds for gas cylinders shall have a ______ signal that visibly indicates the operating
status of the equipment and shall have an indicator at all master alarm panels when or just
before the change over from one header to the other takes place - CORRECT
ANSWER local
When multiple buildings are served from a single cryogenic liquid oxygen source, it is
required to place the emergency oxygen supply connection in - CORRECT
ANSWER each building served
,The minimal clearance around the EOSC for a temporary source of supply is _____ feet -
CORRECT ANSWER 3
A _______ emergency reserve system can be substituted for the EOSC - CORRECT
ANSWER in-building
How many egress gates are required for outdoor enclosures containing bulk cryogenic liquid
systems? - CORRECT ANSWER 2
An EOSC shall be installed on the exterior of the building being served. It shall be protected
from physical damage and with a minimum clearance around the connection of _______ -
CORRECT ANSWER 3 feet
The NFPA 99 has four relevant patent categories for medical gases, determined and defined
by the risk assessment. Which four best describes the categories? - CORRECT
ANSWER death or major injury, minor injury, patient discomfort, and no impact
Alternate systems, methods, or devices approved as equivalent shelled be approved by -
CORRECT ANSWER AHJ (authority having jurisdiction)
Which of these is a requirement for both the primary and secondary headers for manifolds
which contain cryogenic liquid? - CORRECT ANSWER located in same inclosure
Which area may be acceptable to communicate with an indoor central supply location of
oxygen, nitrous oxide, or a mixture of these gases? - CORRECT ANSWER an in-
building emergency reserve system
Which of the following is an NFPA requirement for electrical devices in locations where
medical gas cylinders are stored? - CORRECT ANSWER devices must be protected
from physical damage
, In those portions of systems intended to handle oxygen at gage pressures greater than _____
PSI, interconnecting the hose shall contain NO polymeric materials - CORRECT
ANSWER 350
Why does the NFPA require a minimum clearance around an EOSC? - CORRECT
ANSWER for the temporary connection of source supply
Which of these is a requirement for the control equipment of a bulk system that is installed
physical remote from the source of supply? - CORRECT ANSWER ability to locked
and secured
Mainfolds for gas cylinders shall include a ______ means for alternating the two headers
from primary to secondary - CORRECT ANSWER automatic
Which of the following are medical support gases? - CORRECT ANSWER nitrogen
and instrument air
A factory assembled product designed for aesthetics or convenience that contains medical gas
or vacuum outlets, piping, or other devices related to medical gases. This is a definition of
which of the following? - CORRECT ANSWER manufactured assembly
The piping that connects the source (pumps, receivers, etc) to the risers or branches or both.
This is a definition of what? - CORRECT ANSWER main lines
Which of the following is a device for connecting the outlets of one or more gas cylinders to
the central piping system? - CORRECT ANSWER manifold
Which is NOT part of the manifold system? - CORRECT ANSWER *****a.
Instrument air outlet
B. Valve
C. Regulator
D. Pigtail
QUESTIONS AND CORRECT ANSWERS
Central Supply systems for positive pressure gases shall have one or more relief valves, the
valves shall have a relief setting that is ____% above normal operating pressure = -
CORRECT ANSWER 50%
When vented to the outside, relief valve vent lines shall be labeled in which way? -
CORRECT ANSWER any mater that will distinguish them from medical gas pipeline
An auxiliary source connection shall consist of all the following except. - CORRECT
ANSWER a. Removable plug or cap
B. Tee
C. Valve
****d. Visual pressure indicator
In central supply systems using gas or liquid cylinders, each header shall have a _______ to
prevent debris from entering the manifold control. - CORRECT ANSWER filter
Manifolds for gas cylinders shall consist of two equal headers, each header with enough
cylinders for an average day supply, but not fewer than ______ connections - CORRECT
ANSWER 2
Manifolds for gas cylinders shall have a ______ signal that visibly indicates the operating
status of the equipment and shall have an indicator at all master alarm panels when or just
before the change over from one header to the other takes place - CORRECT
ANSWER local
When multiple buildings are served from a single cryogenic liquid oxygen source, it is
required to place the emergency oxygen supply connection in - CORRECT
ANSWER each building served
,The minimal clearance around the EOSC for a temporary source of supply is _____ feet -
CORRECT ANSWER 3
A _______ emergency reserve system can be substituted for the EOSC - CORRECT
ANSWER in-building
How many egress gates are required for outdoor enclosures containing bulk cryogenic liquid
systems? - CORRECT ANSWER 2
An EOSC shall be installed on the exterior of the building being served. It shall be protected
from physical damage and with a minimum clearance around the connection of _______ -
CORRECT ANSWER 3 feet
The NFPA 99 has four relevant patent categories for medical gases, determined and defined
by the risk assessment. Which four best describes the categories? - CORRECT
ANSWER death or major injury, minor injury, patient discomfort, and no impact
Alternate systems, methods, or devices approved as equivalent shelled be approved by -
CORRECT ANSWER AHJ (authority having jurisdiction)
Which of these is a requirement for both the primary and secondary headers for manifolds
which contain cryogenic liquid? - CORRECT ANSWER located in same inclosure
Which area may be acceptable to communicate with an indoor central supply location of
oxygen, nitrous oxide, or a mixture of these gases? - CORRECT ANSWER an in-
building emergency reserve system
Which of the following is an NFPA requirement for electrical devices in locations where
medical gas cylinders are stored? - CORRECT ANSWER devices must be protected
from physical damage
, In those portions of systems intended to handle oxygen at gage pressures greater than _____
PSI, interconnecting the hose shall contain NO polymeric materials - CORRECT
ANSWER 350
Why does the NFPA require a minimum clearance around an EOSC? - CORRECT
ANSWER for the temporary connection of source supply
Which of these is a requirement for the control equipment of a bulk system that is installed
physical remote from the source of supply? - CORRECT ANSWER ability to locked
and secured
Mainfolds for gas cylinders shall include a ______ means for alternating the two headers
from primary to secondary - CORRECT ANSWER automatic
Which of the following are medical support gases? - CORRECT ANSWER nitrogen
and instrument air
A factory assembled product designed for aesthetics or convenience that contains medical gas
or vacuum outlets, piping, or other devices related to medical gases. This is a definition of
which of the following? - CORRECT ANSWER manufactured assembly
The piping that connects the source (pumps, receivers, etc) to the risers or branches or both.
This is a definition of what? - CORRECT ANSWER main lines
Which of the following is a device for connecting the outlets of one or more gas cylinders to
the central piping system? - CORRECT ANSWER manifold
Which is NOT part of the manifold system? - CORRECT ANSWER *****a.
Instrument air outlet
B. Valve
C. Regulator
D. Pigtail
