plumbing exam ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
Soil Pipe A pipe that conveys sewage containing fecal matter to the building drain or
building sewer.
Air Break/Gap what is the best method for connecting an inderect waste to a sanitary drain
2" 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 what is the required pitch on 3" drainage and below
Dx2+2 How do you find the maximum distance a trap can be from a vent
1 1/4" minimum size discharge for a safe waste pan
kitchen sink what fixture can you not wet vent through
future vent what mustbe provided and labeled in the basement of a dwv system
stack vent what type of ventis commonly found on the top floor
4" what is the minimum size a sanitary waste line can go through the foundation wall
2-4 inches what is the minimum and maxmum liquid sealon fixture traps
18" Minimum amount of space between the face of a 3" cleanout and the wall
, 12" Minimum amount of space between the face of a 2" cleanout and the wall
2" minimum size wet vent
No Are you allowed to indirect waste a comercial dishwasher in a prerinse sink
1/8th inch per foot what should the pitch on 4" DWV be
relief vent If you need to allowadditional air between drainage and vent systems what is
something you could add
Bow vent how would you vent a kitchen sink on an island counter
20' Using PVC or ABS pipe and fiitings requires expansion joints how often
35' A barometric oop is Approx. how many feet
No Can you burry expansion joints under ground
24" Max distance from fixture outlet to the trap weir
50' How often does horizontal DWV lines require a clean out if its 4" or below
100' How often does horizontal DWV lines require a clean out if its greater then 4" pipe
2" minimum size VTR
2" Minimum size future vent
2" Minimum size stack vent
3" minimum size vent stack
1 1/2" Minimum size kitchen sink drain
18"-24" How much must a VTR extend above the roof
Clean Out What does every kitchen sink require
12-15 inches what must a K.S. drain be stubbed out at to allow room for a garbage disposal
Check Valve Ejectors and sump pumps must have what
20gpm A residential sewage ejector must dishcharge at a minimum of ____ gpm
8' If a roof isused fora garden or a deck the vent must extend how far
12" how far from the roofs surface must you increase the vent size if needed
ANSWERS
Soil Pipe A pipe that conveys sewage containing fecal matter to the building drain or
building sewer.
Air Break/Gap what is the best method for connecting an inderect waste to a sanitary drain
2" 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 what is the required pitch on 3" drainage and below
Dx2+2 How do you find the maximum distance a trap can be from a vent
1 1/4" minimum size discharge for a safe waste pan
kitchen sink what fixture can you not wet vent through
future vent what mustbe provided and labeled in the basement of a dwv system
stack vent what type of ventis commonly found on the top floor
4" what is the minimum size a sanitary waste line can go through the foundation wall
2-4 inches what is the minimum and maxmum liquid sealon fixture traps
18" Minimum amount of space between the face of a 3" cleanout and the wall
, 12" Minimum amount of space between the face of a 2" cleanout and the wall
2" minimum size wet vent
No Are you allowed to indirect waste a comercial dishwasher in a prerinse sink
1/8th inch per foot what should the pitch on 4" DWV be
relief vent If you need to allowadditional air between drainage and vent systems what is
something you could add
Bow vent how would you vent a kitchen sink on an island counter
20' Using PVC or ABS pipe and fiitings requires expansion joints how often
35' A barometric oop is Approx. how many feet
No Can you burry expansion joints under ground
24" Max distance from fixture outlet to the trap weir
50' How often does horizontal DWV lines require a clean out if its 4" or below
100' How often does horizontal DWV lines require a clean out if its greater then 4" pipe
2" minimum size VTR
2" Minimum size future vent
2" Minimum size stack vent
3" minimum size vent stack
1 1/2" Minimum size kitchen sink drain
18"-24" How much must a VTR extend above the roof
Clean Out What does every kitchen sink require
12-15 inches what must a K.S. drain be stubbed out at to allow room for a garbage disposal
Check Valve Ejectors and sump pumps must have what
20gpm A residential sewage ejector must dishcharge at a minimum of ____ gpm
8' If a roof isused fora garden or a deck the vent must extend how far
12" how far from the roofs surface must you increase the vent size if needed
