Page |1
NFPA 99 2026 | 2027 Practice Test Questions : Worksheet 4 and Answers
with Complete Solutions UPDATED!!!!
A category 1 dedicated WAGD source shall consist of ______ or
more producers, each shall be sufficient to serve the peak
calculated deman.
a) one
b) two
c) three
d) all of the above - ANSWER two
5.1.3.8.1.6 (1)
A source valve is not required on the patient side of the line
pressure controls of an oxygen central supply using
concentrators.
a) True
b) False - ANSWER False
, Page |2
5.1.3.9.2 (8)
A teaching laboratory vacuum systems or (analysis) shall be
connected separately from the medical surgical system directly
to the receiver tank with its own isolation valve and fluid trap.
a) True
b) False - ANSWER True
5.1.3.7.5.1 (3)
A WAGD source system shall activate the _____ alarm when the
capacity of the WAGD system not in use is less than the
equivalent capacity of one producer.
a) local
b) area
c) master
d) local and master - ANSWER local
, Page |3
5.1.3.8.3.2
Additional WAGD producers shall be _______ activated when
the producer(s) in operation is incapable of maintaining the
required vacuum.
a) manually
b) automatically
c) either A or B
d) none of the above - ANSWER automatically
5.1.3.8.4.1
An auxiliary source connection is required on an oxygen central
supply using concentrators.
a) True
b) False - ANSWER True
5.1.3.9.2 (12)
NFPA 99 2026 | 2027 Practice Test Questions : Worksheet 4 and Answers
with Complete Solutions UPDATED!!!!
A category 1 dedicated WAGD source shall consist of ______ or
more producers, each shall be sufficient to serve the peak
calculated deman.
a) one
b) two
c) three
d) all of the above - ANSWER two
5.1.3.8.1.6 (1)
A source valve is not required on the patient side of the line
pressure controls of an oxygen central supply using
concentrators.
a) True
b) False - ANSWER False
, Page |2
5.1.3.9.2 (8)
A teaching laboratory vacuum systems or (analysis) shall be
connected separately from the medical surgical system directly
to the receiver tank with its own isolation valve and fluid trap.
a) True
b) False - ANSWER True
5.1.3.7.5.1 (3)
A WAGD source system shall activate the _____ alarm when the
capacity of the WAGD system not in use is less than the
equivalent capacity of one producer.
a) local
b) area
c) master
d) local and master - ANSWER local
, Page |3
5.1.3.8.3.2
Additional WAGD producers shall be _______ activated when
the producer(s) in operation is incapable of maintaining the
required vacuum.
a) manually
b) automatically
c) either A or B
d) none of the above - ANSWER automatically
5.1.3.8.4.1
An auxiliary source connection is required on an oxygen central
supply using concentrators.
a) True
b) False - ANSWER True
5.1.3.9.2 (12)