MASTER PLUMBING WSSC FINAL PAPER 2026
STUDY GUIDE DETAILED ANSWERS READY
◉ circuit vent.
Answer: a group vent which starts infront of the extreme fixture
connection on a horizontal branch and connects to the vent stack
◉ looped vent.
Answer: vent used for islands and lavatories away from the wall and
vent branch
◉ pump circuit system.
Answer: system used to produce a more efficient circulation of hot
water to the upper floor levels of a multi storey building
circulation of hot water by means of mechanical device
◉ zdownfeed & gravity return system.
Answer: system of where hot water rises on the the highest point of
the plumbing system and travels to the fixture via gravity
◉ relief vent.
,Answer: A vent to relieve the pressure ahead of moving effluent in a
horizontal fixture branch.
◉ yoke vent.
Answer: A pipe CONNECTING UPWARD from a soil or waste stack to
a vent stack for the purpose of preventing pressure changes in the
stack
◉ 5.
Answer: yoke vent is required for every ___ floors
◉ .6.
Answer: house sewer is part of the plumbing system which extends
____ m from the foundation of the wall of the building
◉ invert.
Answer: lowest part of the inside face of any pipe
◉ crown.
Answer: highest part of the inside face of any pipe
◉ spring line.
Answer: the midpoint level of a pipe
,◉ clevice.
Answer: pipe hanger for pipes with pressure
shape: ---o---
◉ bending pin.
Answer: tool used for straightening or bending lead pipe
◉ tailpiece.
Answer: pipe or tubing that connects the outlet of a plumbing fixture
to a trap
◉ slip joint.
Answer: adjustable tubing connection consisting of a compression
nut, friction ring, and compression washer
◉ building subdrain.
Answer: that portion of an underground system, which cannot drain
by
gravity into the building sewer
◉ subsoil drain.
, Answer: an underground drainpipe that receives only sub-surface or
seepage water and convey it to a sump for disposal by gravity flow
or by lift pump
◉ 15.
Answer: cleanout is required every ____m run of pipes
◉ upper terminal.
Answer: each horizontal drainage pipe shall be provided a cleanout
at its ____
◉ 1.5.
Answer: pipe runs that don't need a cleanout
◉ 135.
Answer: additional cleanout is to be provided for every line of pipe
exceed ____ in angle
◉ after.
Answer: cleanouts shall be provided ____ interceptors
◉ 305.
Answer: clearance needed in front of a 51mm or less cleanout
STUDY GUIDE DETAILED ANSWERS READY
◉ circuit vent.
Answer: a group vent which starts infront of the extreme fixture
connection on a horizontal branch and connects to the vent stack
◉ looped vent.
Answer: vent used for islands and lavatories away from the wall and
vent branch
◉ pump circuit system.
Answer: system used to produce a more efficient circulation of hot
water to the upper floor levels of a multi storey building
circulation of hot water by means of mechanical device
◉ zdownfeed & gravity return system.
Answer: system of where hot water rises on the the highest point of
the plumbing system and travels to the fixture via gravity
◉ relief vent.
,Answer: A vent to relieve the pressure ahead of moving effluent in a
horizontal fixture branch.
◉ yoke vent.
Answer: A pipe CONNECTING UPWARD from a soil or waste stack to
a vent stack for the purpose of preventing pressure changes in the
stack
◉ 5.
Answer: yoke vent is required for every ___ floors
◉ .6.
Answer: house sewer is part of the plumbing system which extends
____ m from the foundation of the wall of the building
◉ invert.
Answer: lowest part of the inside face of any pipe
◉ crown.
Answer: highest part of the inside face of any pipe
◉ spring line.
Answer: the midpoint level of a pipe
,◉ clevice.
Answer: pipe hanger for pipes with pressure
shape: ---o---
◉ bending pin.
Answer: tool used for straightening or bending lead pipe
◉ tailpiece.
Answer: pipe or tubing that connects the outlet of a plumbing fixture
to a trap
◉ slip joint.
Answer: adjustable tubing connection consisting of a compression
nut, friction ring, and compression washer
◉ building subdrain.
Answer: that portion of an underground system, which cannot drain
by
gravity into the building sewer
◉ subsoil drain.
, Answer: an underground drainpipe that receives only sub-surface or
seepage water and convey it to a sump for disposal by gravity flow
or by lift pump
◉ 15.
Answer: cleanout is required every ____m run of pipes
◉ upper terminal.
Answer: each horizontal drainage pipe shall be provided a cleanout
at its ____
◉ 1.5.
Answer: pipe runs that don't need a cleanout
◉ 135.
Answer: additional cleanout is to be provided for every line of pipe
exceed ____ in angle
◉ after.
Answer: cleanouts shall be provided ____ interceptors
◉ 305.
Answer: clearance needed in front of a 51mm or less cleanout
