NATIONAL PLUMBING CODE OF
CANADA EXAM QUESTIONS AND
ANSWERS
When can a single sanitary T fitting be sued in a nominally horizontal soil-or-waste
pipe? - Answer-May be used to connect a vent pipe.
A double sanitary T fitting shall not be used to connect the trap arms of? - Answer-Back
outlet water closets installed back-to back or 2 urinals where no cleanout fitting is
provided above the connection.
90 elbows of 4" or less whose centre-line radius is less than the size of the pipe shall
not be used to join? - Answer-2 soil-or-waste pipes.
For sanitary drainage systems of 4" or less, 90 elbows shall only be permitted to? -
Answer-Change the direction of piping from horizontal to vertical in direction of flow,
where a trap arm enters a wall, on water closet going from vertical to horizontal as well
as on horizontal by itself.
Concrete fittings fabricated on the site from lengths of pipe shall? - Answer-Not be used.
Concrete pipe shall not be used where? - Answer-Above ground inside a building.
Vitrified clay pipe and fittings shall not be used except for? - Answer-An underground
part of a drainage system.
Polyethylene water pipe shall not be used except for? - Answer-A water service pipe.
Transition solvent cement shall only be used for joining? - Answer-An ABS drainage
system to a PVC drainage system.
Cast-iron soil pipe and fittings shall not be used in a? - Answer-Water system.
Threaded cast-iron drainage fittings shall not be used in a? - Answer-Water system.
Screwed cast-iron water fittings used in a water system shall be? - Answer-Cement-
mortar lined or galvanized.
Screwed cast-iron water fittings shall not be used in a? - Answer-Drainage system.
Screwed malleable iron water fittings used in a water system shall be? - Answer-
Cement-mortar lined or galvanized.
CANADA EXAM QUESTIONS AND
ANSWERS
When can a single sanitary T fitting be sued in a nominally horizontal soil-or-waste
pipe? - Answer-May be used to connect a vent pipe.
A double sanitary T fitting shall not be used to connect the trap arms of? - Answer-Back
outlet water closets installed back-to back or 2 urinals where no cleanout fitting is
provided above the connection.
90 elbows of 4" or less whose centre-line radius is less than the size of the pipe shall
not be used to join? - Answer-2 soil-or-waste pipes.
For sanitary drainage systems of 4" or less, 90 elbows shall only be permitted to? -
Answer-Change the direction of piping from horizontal to vertical in direction of flow,
where a trap arm enters a wall, on water closet going from vertical to horizontal as well
as on horizontal by itself.
Concrete fittings fabricated on the site from lengths of pipe shall? - Answer-Not be used.
Concrete pipe shall not be used where? - Answer-Above ground inside a building.
Vitrified clay pipe and fittings shall not be used except for? - Answer-An underground
part of a drainage system.
Polyethylene water pipe shall not be used except for? - Answer-A water service pipe.
Transition solvent cement shall only be used for joining? - Answer-An ABS drainage
system to a PVC drainage system.
Cast-iron soil pipe and fittings shall not be used in a? - Answer-Water system.
Threaded cast-iron drainage fittings shall not be used in a? - Answer-Water system.
Screwed cast-iron water fittings used in a water system shall be? - Answer-Cement-
mortar lined or galvanized.
Screwed cast-iron water fittings shall not be used in a? - Answer-Drainage system.
Screwed malleable iron water fittings used in a water system shall be? - Answer-
Cement-mortar lined or galvanized.
