84 QUESTIONS MED GAS WITH
COMPLETE SOLUTIONS
Station outlets/inlets shall be identified as to the _______ for the specific gas or vacuum
provided.
a. Chemical symbol
b. Name
c. Name or chemical symbol
d. Piping type - ANSWER-c
When brazing, joints shall be continuously purged with oil-free, dry nitrogen NF to
prevent the formation of _______ on the inside surface of the joint.
a. Copper oxide
b. Crystalliation
c. Polymeric materials
d. Volatalized liquids - ANSWER-a
ASSE 6000 Annex J provides "Recommended Guidelines for Conducting Planned
Medical gas Systems Shutdown and Temporary Backfeed." Annex J guidelines do NOT
include a list of responsibilites for which types of worker?
a. Installer
b. Medical Gas Generalist
c. Shutdown Coordinator
d. Verifier - ANSWER-b
What is the standard gauge pressure (psi) for nitrogen gas service?
a. 15-30
b. 50-55
c. 160-185
d. It varies with the system type - ANSWER-c
In a facility where medical gas or vacuum systems are present and the failure of such
equipment or system is likely to cause imminent major injury or death to patients or
caregivers, the system shall be designed to meet which Category of requirements?
a. 1
b. 2
c. 3
d. 4 - ANSWER-a
How many hours must the medical air compressor system be operating normally before
air quality test can be performed?
a. 2
b. 8
, c. 12
d. 32 - ANSWER-c
Which of the following fittings is NOT permitted for joining vacuum distribution pipeline
systems?
a. Axially swaged
b. Memory metal
c. Non-removable push-fit
d. Welded - ANSWER-c
Medical air sources shall be used for ______ and human respiration.
a. Air-operating devices
b. Calibration of medical respiratory devices
c. Disinfecting tools.
d. Instrument air - ANSWER-b
A ______ system is an assembly of equipment such as storage containers, pressure
regulators, pressure relief devices, vaporizers, manifolds, and interconnecting piping
that has a storage capacity of more than 20,000 cubic feet (at normal temperature and
pressure), including unconnected reserves on hand at the site.
a. Bulk oxygen
b. High pressure maniifold
c. Micro bulk
d. Vacuum - ANSWER-a
The purpose of the NFPA 99 Code is to provide minimum requirements for the _____
for facilities, material, equipment, and appliances, including other hazards associated
with the primary hazards.
a. Engineering and architecture
b. Maintenance and testing
c. Performance and safe practices
d. Both B and C - ANSWER-d
If a nonmetallic flexible connector is being used in a category 1 health care facility to
connect the manifold to the gas distribution piping, what is the maximum length (feet)
permitted for the flexible connector?
a. 2.5 feet
b. 5 feet
c. They shall be no longer than necessary
d. The use of flexible connectors is not permitted - ANSWER-c
In central supply systems using gas cylinders, each header shall have a __________
valve to prevent backflow and to permit service to the header.
a. Ball
b. Bypass
c. Check
COMPLETE SOLUTIONS
Station outlets/inlets shall be identified as to the _______ for the specific gas or vacuum
provided.
a. Chemical symbol
b. Name
c. Name or chemical symbol
d. Piping type - ANSWER-c
When brazing, joints shall be continuously purged with oil-free, dry nitrogen NF to
prevent the formation of _______ on the inside surface of the joint.
a. Copper oxide
b. Crystalliation
c. Polymeric materials
d. Volatalized liquids - ANSWER-a
ASSE 6000 Annex J provides "Recommended Guidelines for Conducting Planned
Medical gas Systems Shutdown and Temporary Backfeed." Annex J guidelines do NOT
include a list of responsibilites for which types of worker?
a. Installer
b. Medical Gas Generalist
c. Shutdown Coordinator
d. Verifier - ANSWER-b
What is the standard gauge pressure (psi) for nitrogen gas service?
a. 15-30
b. 50-55
c. 160-185
d. It varies with the system type - ANSWER-c
In a facility where medical gas or vacuum systems are present and the failure of such
equipment or system is likely to cause imminent major injury or death to patients or
caregivers, the system shall be designed to meet which Category of requirements?
a. 1
b. 2
c. 3
d. 4 - ANSWER-a
How many hours must the medical air compressor system be operating normally before
air quality test can be performed?
a. 2
b. 8
, c. 12
d. 32 - ANSWER-c
Which of the following fittings is NOT permitted for joining vacuum distribution pipeline
systems?
a. Axially swaged
b. Memory metal
c. Non-removable push-fit
d. Welded - ANSWER-c
Medical air sources shall be used for ______ and human respiration.
a. Air-operating devices
b. Calibration of medical respiratory devices
c. Disinfecting tools.
d. Instrument air - ANSWER-b
A ______ system is an assembly of equipment such as storage containers, pressure
regulators, pressure relief devices, vaporizers, manifolds, and interconnecting piping
that has a storage capacity of more than 20,000 cubic feet (at normal temperature and
pressure), including unconnected reserves on hand at the site.
a. Bulk oxygen
b. High pressure maniifold
c. Micro bulk
d. Vacuum - ANSWER-a
The purpose of the NFPA 99 Code is to provide minimum requirements for the _____
for facilities, material, equipment, and appliances, including other hazards associated
with the primary hazards.
a. Engineering and architecture
b. Maintenance and testing
c. Performance and safe practices
d. Both B and C - ANSWER-d
If a nonmetallic flexible connector is being used in a category 1 health care facility to
connect the manifold to the gas distribution piping, what is the maximum length (feet)
permitted for the flexible connector?
a. 2.5 feet
b. 5 feet
c. They shall be no longer than necessary
d. The use of flexible connectors is not permitted - ANSWER-c
In central supply systems using gas cylinders, each header shall have a __________
valve to prevent backflow and to permit service to the header.
a. Ball
b. Bypass
c. Check
