RESIDENTIAL PLUMBING EXAM NEWEST 2026
QUESTIONS and CORRECT DETAILED ANSWERS
ALREADY GRADED A+
CHLORINATED POLYVINYL CHLORIDE (CPVC) - CORRECT ANSWER-A
thermoplastic plumbing pipe used in water supply and drainage piping.
A DISPOSAL FIELD - CORRECT ANSWER-The area that receives liquid sewage
from the septic tank and allows it to seep into the soil.
POLYVINYL CHLORIDE (PVC) - CORRECT ANSWER-A thermoplastic plumbing
pipe used in distribution and drainage piping.
COLD WATER BRANCH LINES - CORRECT ANSWER-Pipes that run from the cold
water main to each of the fixtures in a residential water supply system.
DISTRIBUTION BOX - CORRECT ANSWER-A box that receives liquid sewage
from the septic tank and distributes it evenly throughout the disposal field.
, ACRYLONITRILE BUTADIENE STYRENE (ABS) - CORRECT ANSWER-A
thermoplastic plumbing pipe used in waste piping.
CLEANOUT - CORRECT ANSWER-An access pipe that allows the plumbing lines
to be cleaned out or unplugged.
SOIL STACK - CORRECT ANSWER-A vertical drain pipe that collects waste from
one or more fixtures in a residential water and waste removal system.
DISTILLATION SYSTEM - CORRECT ANSWER-A water treatment system in which
water is heated to make steam, which is then condensed to produce distilled
water.
A VENT STACK - CORRECT ANSWER-The portion of the soil stack that protrudes
above the roof.
CROSS-;LINKED POLYETHYLENE (PEX) - CORRECT ANSWER-A flexible plumbing
pipe used in water supply piping.
QUESTIONS and CORRECT DETAILED ANSWERS
ALREADY GRADED A+
CHLORINATED POLYVINYL CHLORIDE (CPVC) - CORRECT ANSWER-A
thermoplastic plumbing pipe used in water supply and drainage piping.
A DISPOSAL FIELD - CORRECT ANSWER-The area that receives liquid sewage
from the septic tank and allows it to seep into the soil.
POLYVINYL CHLORIDE (PVC) - CORRECT ANSWER-A thermoplastic plumbing
pipe used in distribution and drainage piping.
COLD WATER BRANCH LINES - CORRECT ANSWER-Pipes that run from the cold
water main to each of the fixtures in a residential water supply system.
DISTRIBUTION BOX - CORRECT ANSWER-A box that receives liquid sewage
from the septic tank and distributes it evenly throughout the disposal field.
, ACRYLONITRILE BUTADIENE STYRENE (ABS) - CORRECT ANSWER-A
thermoplastic plumbing pipe used in waste piping.
CLEANOUT - CORRECT ANSWER-An access pipe that allows the plumbing lines
to be cleaned out or unplugged.
SOIL STACK - CORRECT ANSWER-A vertical drain pipe that collects waste from
one or more fixtures in a residential water and waste removal system.
DISTILLATION SYSTEM - CORRECT ANSWER-A water treatment system in which
water is heated to make steam, which is then condensed to produce distilled
water.
A VENT STACK - CORRECT ANSWER-The portion of the soil stack that protrudes
above the roof.
CROSS-;LINKED POLYETHYLENE (PEX) - CORRECT ANSWER-A flexible plumbing
pipe used in water supply piping.
