NFPA 99 2018 Practice Test
Questions : Worksheet 4 Questions
with Accurate Answers
Category 1 Medical-Surgical vacuum central supply systems shall, at a minimum,
consist of ______ or more vacuum pumps.
a) one
b) two
c) three
d) four - ANSWERStwo
5.1.3.7.1.1 (1)
Category 1 Medical-surgical vacuum central supply systems shall consist of an
automatic means to prevent ______ through any off-cycle vacuum pump.
a) vacuum
b) back pressure
c) backflow
d) all of the above - ANSWERSbackflow
5.1.3.7.1.1 (2)
Piping between the vacuum pump and the source shutoff valve shall be permitted to be
brass, galvanized or black steel pipe.
a) True
b) False - ANSWERSTrue
5.1.3.7.1.1 (5)
Vacuum receivers shall be capable of withstanding a gauge vacuum of _____ of
mercury.
a) 29"
b) 29.9"
c) 30"
d) all of the above - ANSWERSAll of the above
5.1.3.7.3 (3)
, The medical-surgical vacuum receiver shall be made serviceable without shutting down
the system by ______.
a) an isolation valve where tee'd into main line.
b) being valved at the end of the main line.
c) a three-valve bypass.
d) any method to ensure continuation service. - ANSWERSany method to ensure
continuation service.
5.1.3.7.5.2
When the medical-surgical vacuum pump(s) in operation is (are) incapable of
adequately maintaining the required vacuum, additional pumps shall be _______
activated.
a) manually
b) automatically
c) manually or automatically
d) none of the above - ANSWERSautomatically
5.1.3.7.6 (A)(1)
The medical-surgical vacuum exhaust shall be turned down and screened. The
screening shall be fabricated using what type of material?
a) Steel mesh
b) Steel wire
c) A non-corroding material
d) Any of the above - ANSWERSA non-corroding material
5.1.3.7.7.3
Multiple vacuum pumps shall be permitted to be joined together to one common
exhaust provided the common exhaust is sized to _____.
a) prevent backflow.
b) minimize back pressure.
c) peak calculated demand.
d) manufacturer's recommendations. - ANSWERSminimize back pressure
5.1.3.7.7.5 (1)
Vacuum exhausts from multiple pumps joined together to one common exhaust shall be
permitted provided each pump can be isolated by a ______.
a) blind flange
Questions : Worksheet 4 Questions
with Accurate Answers
Category 1 Medical-Surgical vacuum central supply systems shall, at a minimum,
consist of ______ or more vacuum pumps.
a) one
b) two
c) three
d) four - ANSWERStwo
5.1.3.7.1.1 (1)
Category 1 Medical-surgical vacuum central supply systems shall consist of an
automatic means to prevent ______ through any off-cycle vacuum pump.
a) vacuum
b) back pressure
c) backflow
d) all of the above - ANSWERSbackflow
5.1.3.7.1.1 (2)
Piping between the vacuum pump and the source shutoff valve shall be permitted to be
brass, galvanized or black steel pipe.
a) True
b) False - ANSWERSTrue
5.1.3.7.1.1 (5)
Vacuum receivers shall be capable of withstanding a gauge vacuum of _____ of
mercury.
a) 29"
b) 29.9"
c) 30"
d) all of the above - ANSWERSAll of the above
5.1.3.7.3 (3)
, The medical-surgical vacuum receiver shall be made serviceable without shutting down
the system by ______.
a) an isolation valve where tee'd into main line.
b) being valved at the end of the main line.
c) a three-valve bypass.
d) any method to ensure continuation service. - ANSWERSany method to ensure
continuation service.
5.1.3.7.5.2
When the medical-surgical vacuum pump(s) in operation is (are) incapable of
adequately maintaining the required vacuum, additional pumps shall be _______
activated.
a) manually
b) automatically
c) manually or automatically
d) none of the above - ANSWERSautomatically
5.1.3.7.6 (A)(1)
The medical-surgical vacuum exhaust shall be turned down and screened. The
screening shall be fabricated using what type of material?
a) Steel mesh
b) Steel wire
c) A non-corroding material
d) Any of the above - ANSWERSA non-corroding material
5.1.3.7.7.3
Multiple vacuum pumps shall be permitted to be joined together to one common
exhaust provided the common exhaust is sized to _____.
a) prevent backflow.
b) minimize back pressure.
c) peak calculated demand.
d) manufacturer's recommendations. - ANSWERSminimize back pressure
5.1.3.7.7.5 (1)
Vacuum exhausts from multiple pumps joined together to one common exhaust shall be
permitted provided each pump can be isolated by a ______.
a) blind flange
