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Plumbers Practice Exam 2023
1.
A stack vent handling 125 dfu’s with a developed length of 35 feet shall be ____ inches minimum diameter
a) Table 916.1
b) 2-1/2
c) 3
d) 4
2.
607.2
When the developed length of hot water piping from the source of hot water supply to the farthest fixture exceeds_____ feet, the pipe must be insulated.
a) 50
b) 65
c) 75
d) 100
3.
A vent accepting the discharge of 6 dfu shall be a minimum size of____ inches.
a) 1-1/2
b) 2
c) 2-1/2
d) 3
4.
Table 916.1
An indirect waste pipe that exceeds _____ feet in total developed horizontal length must be trapped.
a) 1.5
b) 2
c) 3
d) 4
5.
713.2
1. An indirect waste pipe that exceeds _____ feet in total developed horizontal length must be trapped.
a) 1.5
b) 2
c) 3
d) 4
6.
1. A factory bathroom with 4 water closets (1.6 gpf), 7 urinals (1gpf), six lavatories and a floor drain has how many drainage fixture units.
a) Table 709.1
b) 27
c) 38
d) 31
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