TRADESMAN EXAM COMPREHENSIVE
QUESTIONS AND CORRECT ANSWERS
◉ Drainage pipe shall be tested with a 15 foot of head of water or air
at 25 psi.
Answer: False
◉ Fixtures must not be made of approved, smooth impervious
material.
Answer: False
◉ A 4" X 3" water closet bend is acceptable.
Answer: True
◉ The owner or owners' agent is responsible for maintaining the
plumbing system in a safe condition.
Answer: True
◉ Water closets shall be set no closer than 30 inches center to
center of 15 inches from a side wall.
Answer: True
, ◉ Showers must be at least 36 inches inside diameter
Answer: False
◉ Water closets screws and bolts shall be zinc.
Answer: False
◉ Access must be provided to slip-joint connections.
Answer: True
◉ Copper must be supported horizontally - 6 feet of closer on small
pipe and 10 feet on 1-1/2" or larger pipe.
Answer: True
◉ Vents shall terminate at least ______________ horizontally or 3 feet
above all openable doors and windows.
Answer: 10 feet
◉ Hub and spigot joints in cast iron are made with __________ or hemp
and lead.
Answer: Oakum
◉ Drill, tapped or ____________ joints are prohibited.
QUESTIONS AND CORRECT ANSWERS
◉ Drainage pipe shall be tested with a 15 foot of head of water or air
at 25 psi.
Answer: False
◉ Fixtures must not be made of approved, smooth impervious
material.
Answer: False
◉ A 4" X 3" water closet bend is acceptable.
Answer: True
◉ The owner or owners' agent is responsible for maintaining the
plumbing system in a safe condition.
Answer: True
◉ Water closets shall be set no closer than 30 inches center to
center of 15 inches from a side wall.
Answer: True
, ◉ Showers must be at least 36 inches inside diameter
Answer: False
◉ Water closets screws and bolts shall be zinc.
Answer: False
◉ Access must be provided to slip-joint connections.
Answer: True
◉ Copper must be supported horizontally - 6 feet of closer on small
pipe and 10 feet on 1-1/2" or larger pipe.
Answer: True
◉ Vents shall terminate at least ______________ horizontally or 3 feet
above all openable doors and windows.
Answer: 10 feet
◉ Hub and spigot joints in cast iron are made with __________ or hemp
and lead.
Answer: Oakum
◉ Drill, tapped or ____________ joints are prohibited.