Construction Plumbing – Exam, 2026 – Study guide and
practice material
Plastic Pipe - correct answer ✔✔ Plastic pipe used for drainage waste and vent (DWV)
installations is manufactured using IPS, and the inside diameter varies based on the wall
thickness.
Three common wall thickness classifications are Schedule (S) 10, 40, and 80.
Must be protected from long-term Ultraviolet Rays
Is flammable when ignited
Has a max temperature rating
PVC Pipe - correct answer ✔✔ PVC is the abbreviation for polyvinyl chloride and is white in
color.
maximum temperature rating of 140 Fahrenheit (F).
Pipe or tubing for water distribution systems must be rated at 180° F at 100 psi pressure
Cannot be used for water distribution within the interior of a residence
DWV PVC Pipe - correct answer ✔✔ DWV PVC pipe used for residential applications is typically a
Schedule 40 (S-40) and can be either a solid type or a cellular-core type.
, Foam-core PVC pipe has a zero pressure rating
CPVC Pipe - correct answer ✔✔ CPVC is the abbreviation for chlorinated polyvinyl chloride.
Is used for water distribution systems
CPVC pipe is a type of flexible pipe.
ABS Pipe - correct answer ✔✔ It is black in color and used to install DWV systems.
It is not compatible with PVC.
Its maximum water temperature capability is the same as PVC DWV (140F).
The OD of ABS pipe is manufactured to IPS standards.
It also cannot be tested with air pressure or have long-term exposure to UV rays.
Polyethylene Pipe - correct answer ✔✔ used for water service installations and is not allowed
by code to be installed on the interior of a residential building.
It is black in color and typically sold in rolls of 100'-0".
It is commonly used for well pump installations because of its long lengths and durability in cold
conditions.
PEX Pipe - correct answer ✔✔ PEX is the abbreviation for cross-linked polyethylene
It is used for water distribution systems.
practice material
Plastic Pipe - correct answer ✔✔ Plastic pipe used for drainage waste and vent (DWV)
installations is manufactured using IPS, and the inside diameter varies based on the wall
thickness.
Three common wall thickness classifications are Schedule (S) 10, 40, and 80.
Must be protected from long-term Ultraviolet Rays
Is flammable when ignited
Has a max temperature rating
PVC Pipe - correct answer ✔✔ PVC is the abbreviation for polyvinyl chloride and is white in
color.
maximum temperature rating of 140 Fahrenheit (F).
Pipe or tubing for water distribution systems must be rated at 180° F at 100 psi pressure
Cannot be used for water distribution within the interior of a residence
DWV PVC Pipe - correct answer ✔✔ DWV PVC pipe used for residential applications is typically a
Schedule 40 (S-40) and can be either a solid type or a cellular-core type.
, Foam-core PVC pipe has a zero pressure rating
CPVC Pipe - correct answer ✔✔ CPVC is the abbreviation for chlorinated polyvinyl chloride.
Is used for water distribution systems
CPVC pipe is a type of flexible pipe.
ABS Pipe - correct answer ✔✔ It is black in color and used to install DWV systems.
It is not compatible with PVC.
Its maximum water temperature capability is the same as PVC DWV (140F).
The OD of ABS pipe is manufactured to IPS standards.
It also cannot be tested with air pressure or have long-term exposure to UV rays.
Polyethylene Pipe - correct answer ✔✔ used for water service installations and is not allowed
by code to be installed on the interior of a residential building.
It is black in color and typically sold in rolls of 100'-0".
It is commonly used for well pump installations because of its long lengths and durability in cold
conditions.
PEX Pipe - correct answer ✔✔ PEX is the abbreviation for cross-linked polyethylene
It is used for water distribution systems.
