PLUMBING LEVEL 3 EXAM UPDATED EXAM
SCRIPT WITH COMPLETE ANSWERS
◉ Air Break/Gap.
Answer: what is the best method for connecting an inderect waste to
a sanitary drain
◉ 2".
Answer: What is the minimum vertical distance from the bottom of
an indirect drain line to its receptorst flood level rim
◉ 1/4" inch per foot.
Answer: what is the required pitch on 3" drainage and below
◉ Dx2+2.
Answer: How do you find the maximum distance a trap can be from
a vent
◉ 1 1/4".
Answer: minimum size discharge for a safe waste pan
◉ kitchen sink.
,Answer: what fixture can you not wet vent through
◉ future vent.
Answer: what mustbe provided and labeled in the basement of a
dwv system
◉ stack vent.
Answer: what type of ventis commonly found on the top floor
◉ 4".
Answer: what is the minimum size a sanitary waste line can go
through the foundation wall
◉ 2-4 inches.
Answer: what is the minimum and maxmum liquid sealon fixture
traps
◉ 18".
Answer: Minimum amount of space between the face of a 3"
cleanout and the wall
◉ 12".
,Answer: Minimum amount of space between the face of a 2"
cleanout and the wall
◉ 2".
Answer: minimum size wet vent
◉ No.
Answer: Are you allowed to indirect waste a comercial dishwasher
in a prerinse sink
◉ 1/8th inch per foot.
Answer: what should the pitch on 4" DWV be
◉ relief vent.
Answer: If you need to allowadditional air between drainage and
vent systems what is something you could add
◉ Bow vent.
Answer: how would you vent a kitchen sink on an island counter
◉ 20'.
Answer: Using PVC or ABS pipe and fiitings requires expansion
joints how often
, ◉ 35'.
Answer: A barometric oop is Approx. how many feet
◉ No.
Answer: Can you burry expansion joints under ground
◉ 24".
Answer: Max distance from fixture outlet to the trap weir
◉ 50'.
Answer: How often does horizontal DWV lines require a clean out if
its 4" or below
◉ 100'.
Answer: How often does horizontal DWV lines require a clean out if
its greater then 4" pipe
◉ 2".
Answer: minimum size VTR
◉ 2".
SCRIPT WITH COMPLETE ANSWERS
◉ Air Break/Gap.
Answer: what is the best method for connecting an inderect waste to
a sanitary drain
◉ 2".
Answer: What is the minimum vertical distance from the bottom of
an indirect drain line to its receptorst flood level rim
◉ 1/4" inch per foot.
Answer: what is the required pitch on 3" drainage and below
◉ Dx2+2.
Answer: How do you find the maximum distance a trap can be from
a vent
◉ 1 1/4".
Answer: minimum size discharge for a safe waste pan
◉ kitchen sink.
,Answer: what fixture can you not wet vent through
◉ future vent.
Answer: what mustbe provided and labeled in the basement of a
dwv system
◉ stack vent.
Answer: what type of ventis commonly found on the top floor
◉ 4".
Answer: what is the minimum size a sanitary waste line can go
through the foundation wall
◉ 2-4 inches.
Answer: what is the minimum and maxmum liquid sealon fixture
traps
◉ 18".
Answer: Minimum amount of space between the face of a 3"
cleanout and the wall
◉ 12".
,Answer: Minimum amount of space between the face of a 2"
cleanout and the wall
◉ 2".
Answer: minimum size wet vent
◉ No.
Answer: Are you allowed to indirect waste a comercial dishwasher
in a prerinse sink
◉ 1/8th inch per foot.
Answer: what should the pitch on 4" DWV be
◉ relief vent.
Answer: If you need to allowadditional air between drainage and
vent systems what is something you could add
◉ Bow vent.
Answer: how would you vent a kitchen sink on an island counter
◉ 20'.
Answer: Using PVC or ABS pipe and fiitings requires expansion
joints how often
, ◉ 35'.
Answer: A barometric oop is Approx. how many feet
◉ No.
Answer: Can you burry expansion joints under ground
◉ 24".
Answer: Max distance from fixture outlet to the trap weir
◉ 50'.
Answer: How often does horizontal DWV lines require a clean out if
its 4" or below
◉ 100'.
Answer: How often does horizontal DWV lines require a clean out if
its greater then 4" pipe
◉ 2".
Answer: minimum size VTR
◉ 2".
