Tradesman Exam Written Portion
questions and answers graded A+
updated
Overflows, if on a fixture, must drain to inlet (fixture) side of trap. - correct answer ✔✔ True
Drainage pipe shall be tested with a 15 foot of head of water or air at 25 psi. - correct answer
✔✔ False
Fixtures must not be made of approved, smooth impervious material. - correct answer ✔✔
False
A 4" X 3" water closet bend is acceptable. - correct answer ✔✔ True
The owner or owners' agent is responsible for maintaining the plumbing system in a safe
condition. - correct answer ✔✔ True
Water closets shall be set no closer than 30 inches center to center of 15 inches from a side
wall. - correct answer ✔✔ True
Showers must be at least 36 inches inside diameter - correct answer ✔✔ False
Water closets screws and bolts shall be zinc. - correct answer ✔✔ False
Access must be provided to slip-joint connections. - correct answer ✔✔ True
, Copper must be supported horizontally - 6 feet of closer on small pipe and 10 feet on 1-1/2" or
larger pipe. - correct answer ✔✔ True
Vents shall terminate at least ______________ horizontally or 3 feet above all openable doors
and windows. - correct answer ✔✔ 10 feet
Hub and spigot joints in cast iron are made with __________ or hemp and lead. - correct
answer ✔✔ Oakum
Drill, tapped or ____________ joints are prohibited. - correct answer ✔✔ Saddle type
Change of direction from vertical to horizontal must be made with _______________ fittings. -
correct answer ✔✔ Long turn
________________ shall be used to seal the vent water tight where it passes through the roof. -
correct answer ✔✔ Flashing
Vents must rise vertically to ___________ above the flood level rim of the highest fixture served
before turning horizontally. - correct answer ✔✔ 6 inches
The vertical distance cannot be over ____________ from the outlet of the fixture to the trap
weir. - correct answer ✔✔ 24 inches
______________ are prohibited. - correct answer ✔✔ Crown vents
____________________ shall be graded back to drainage pipe at the fixture it serves. - correct
answer ✔✔ Vents
Trap seals must maintain from _________________ of water. - correct answer ✔✔ 2 to 4 inches
questions and answers graded A+
updated
Overflows, if on a fixture, must drain to inlet (fixture) side of trap. - correct answer ✔✔ True
Drainage pipe shall be tested with a 15 foot of head of water or air at 25 psi. - correct answer
✔✔ False
Fixtures must not be made of approved, smooth impervious material. - correct answer ✔✔
False
A 4" X 3" water closet bend is acceptable. - correct answer ✔✔ True
The owner or owners' agent is responsible for maintaining the plumbing system in a safe
condition. - correct answer ✔✔ True
Water closets shall be set no closer than 30 inches center to center of 15 inches from a side
wall. - correct answer ✔✔ True
Showers must be at least 36 inches inside diameter - correct answer ✔✔ False
Water closets screws and bolts shall be zinc. - correct answer ✔✔ False
Access must be provided to slip-joint connections. - correct answer ✔✔ True
, Copper must be supported horizontally - 6 feet of closer on small pipe and 10 feet on 1-1/2" or
larger pipe. - correct answer ✔✔ True
Vents shall terminate at least ______________ horizontally or 3 feet above all openable doors
and windows. - correct answer ✔✔ 10 feet
Hub and spigot joints in cast iron are made with __________ or hemp and lead. - correct
answer ✔✔ Oakum
Drill, tapped or ____________ joints are prohibited. - correct answer ✔✔ Saddle type
Change of direction from vertical to horizontal must be made with _______________ fittings. -
correct answer ✔✔ Long turn
________________ shall be used to seal the vent water tight where it passes through the roof. -
correct answer ✔✔ Flashing
Vents must rise vertically to ___________ above the flood level rim of the highest fixture served
before turning horizontally. - correct answer ✔✔ 6 inches
The vertical distance cannot be over ____________ from the outlet of the fixture to the trap
weir. - correct answer ✔✔ 24 inches
______________ are prohibited. - correct answer ✔✔ Crown vents
____________________ shall be graded back to drainage pipe at the fixture it serves. - correct
answer ✔✔ Vents
Trap seals must maintain from _________________ of water. - correct answer ✔✔ 2 to 4 inches
