MED-GAS TEST QUESTIONS WITH
CORRECT ANSWERS
If the interior surfaces of fitting sockets become contaminated prior to brazing, they shall
be recleaned for brazing with a clean, oil-free wire brush and - Answer-shall not result in
grooving or surfaces to be joined
use of steel wool in the cleaning of medical gas piping is - Answer-prohibited due to the
possible presence of oil
the three general classes of medical gas piping are - Answer-main lines, risers, and
branch (lateral) lines
nitrogen is an element that at atmospheric temperatures and pressures exist as a clear
colorless and tasteless gas. It comprises how much of earth’s atmosphere - Answer-
four-fifths
Buried piping under roadways, parking areas or other locations subject to surface loads
shall be - Answer-buried a minimum of 36 inches below grade
Brazed joins shall be continuously purged with oil free dry nitrogen - Answer-until the
joint is cool to the touch
Medical air compressors shall be sufficient to serve the peak calculated demand with
the ______ single compressor out of service. But in no case shall there be fewer than
_______ compressors. - Answer-largest, 2
Maximum support spacing for 1 inch medical gas piping shall be - Answer-8 ft.
During and after installation, openings in the piping system shall be kept - Answer-
plugged or capped
Where operating pressure are above 185 psi - Answer-type K ASTM B819 shall be
used
Labeling shall appear on the medical gas piping at intervals of - Answer-not more than
20 ft and once in each room
each brazed joint shall be - Answer-visually examined after the cleaning of the outside
of the joint
an assembly of equipment such as oxygen storage containers, pressure regulators,
pressure relief devices, vaporizers, manifolds, and interconnecting piping that has a
storage capacity of more than _______ ft.3 - Answer-20,000
, The organization office, or individual responsible for "approving" equipment, an
installation or a procedure is _______ - Answer-the authority having jurisdiction
Cylinder contents shall be identified by naming the components and giving their
proportions by - Answer-attached labels or stencils
Wherever the term medical gas occurs in this chapter, the provisions shall apply to -
Answer-all piped gas systems
Medical gas piping shall not be installed in - Answer-kitchens or electrical switchgear
rooms
Containers, cylinders, and tanks shall be designed fabricated tested and marked
(stamped) in accordance with regulations of ______ - Answer-Department of
Transportation (DOT)
_____ is an inorganic compound that exists as a gas at atmospheric pressure and
temperature, posses a ____ smell. - Answer-Nitrous oxide, sweetish
A building or portion thereof used to provide services or treamtment simultaneoulsy to
four or more patients, where the patients are incapable of taking action for self-
preservation under emergency conditions without the assistance of others is a _____ -
Answer-ambulatory health care center
In order to remove particulate matter in a pipeline, a high volume intermittent purge shall
be put on each outlet and allowed to flow until the purge - Answer-produces no
discoloration on a white cloth
If sealing compound is used on threaded fittings, it should be applied - Answer-to male
threads online
all piping systems shall be sujected to a 24 hr standing test at 20 percent above the
normal line pressure. The test gas shall be - Answer-oil free dry nitrogen
cylinders in use and in storage shall be prevented from reaching temperatures in excess
of - Answer-125 F
Alarm signals and pressure gauges shall be located to ensure - Answer-continous
responsible surveillance
The Master Alarm shall indicate when the pressure in the main line of each seperate
Medical gas system ___ or ____ from the normal operating pressure - Answer-
increases 20%, decreases 20%
CORRECT ANSWERS
If the interior surfaces of fitting sockets become contaminated prior to brazing, they shall
be recleaned for brazing with a clean, oil-free wire brush and - Answer-shall not result in
grooving or surfaces to be joined
use of steel wool in the cleaning of medical gas piping is - Answer-prohibited due to the
possible presence of oil
the three general classes of medical gas piping are - Answer-main lines, risers, and
branch (lateral) lines
nitrogen is an element that at atmospheric temperatures and pressures exist as a clear
colorless and tasteless gas. It comprises how much of earth’s atmosphere - Answer-
four-fifths
Buried piping under roadways, parking areas or other locations subject to surface loads
shall be - Answer-buried a minimum of 36 inches below grade
Brazed joins shall be continuously purged with oil free dry nitrogen - Answer-until the
joint is cool to the touch
Medical air compressors shall be sufficient to serve the peak calculated demand with
the ______ single compressor out of service. But in no case shall there be fewer than
_______ compressors. - Answer-largest, 2
Maximum support spacing for 1 inch medical gas piping shall be - Answer-8 ft.
During and after installation, openings in the piping system shall be kept - Answer-
plugged or capped
Where operating pressure are above 185 psi - Answer-type K ASTM B819 shall be
used
Labeling shall appear on the medical gas piping at intervals of - Answer-not more than
20 ft and once in each room
each brazed joint shall be - Answer-visually examined after the cleaning of the outside
of the joint
an assembly of equipment such as oxygen storage containers, pressure regulators,
pressure relief devices, vaporizers, manifolds, and interconnecting piping that has a
storage capacity of more than _______ ft.3 - Answer-20,000
, The organization office, or individual responsible for "approving" equipment, an
installation or a procedure is _______ - Answer-the authority having jurisdiction
Cylinder contents shall be identified by naming the components and giving their
proportions by - Answer-attached labels or stencils
Wherever the term medical gas occurs in this chapter, the provisions shall apply to -
Answer-all piped gas systems
Medical gas piping shall not be installed in - Answer-kitchens or electrical switchgear
rooms
Containers, cylinders, and tanks shall be designed fabricated tested and marked
(stamped) in accordance with regulations of ______ - Answer-Department of
Transportation (DOT)
_____ is an inorganic compound that exists as a gas at atmospheric pressure and
temperature, posses a ____ smell. - Answer-Nitrous oxide, sweetish
A building or portion thereof used to provide services or treamtment simultaneoulsy to
four or more patients, where the patients are incapable of taking action for self-
preservation under emergency conditions without the assistance of others is a _____ -
Answer-ambulatory health care center
In order to remove particulate matter in a pipeline, a high volume intermittent purge shall
be put on each outlet and allowed to flow until the purge - Answer-produces no
discoloration on a white cloth
If sealing compound is used on threaded fittings, it should be applied - Answer-to male
threads online
all piping systems shall be sujected to a 24 hr standing test at 20 percent above the
normal line pressure. The test gas shall be - Answer-oil free dry nitrogen
cylinders in use and in storage shall be prevented from reaching temperatures in excess
of - Answer-125 F
Alarm signals and pressure gauges shall be located to ensure - Answer-continous
responsible surveillance
The Master Alarm shall indicate when the pressure in the main line of each seperate
Medical gas system ___ or ____ from the normal operating pressure - Answer-
increases 20%, decreases 20%
