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WorksheetsNational Plumbing Code - Pipe & Fittings
Total questions: 12
Worksheet time: 6mins
Where can T Fittings be used?
In a Drainage System
In a Venting System
In both a Drainage or Venting System
None of the above
Where can a Cross Fitting be Used?
In a Drainage System
In a Venting System
In both Drainage and Venting Systems
None of the above
Where can a Sanitary Tee (TY) fitting be used?
In a nominally horizontal position
In a nominally horizontal position unless used for a vent
In a nominally vertical position
none of the above
Where can a double Sanitary T fitting be used?
In a nominally horizontal position
For connecting back outlet water closets installed back to back
For connecting 2 urinals where a cleanout fitting is provided above the connection
In a nominally vertical position connecting branches, or vent pipes.
When can a short radius (regular) 90 degree elbow less than 4 inch in size be used to connect 2 soil-or-waste pipes?
to change the direction of piping from horizontal to vertical in the direction of flow
where a trap arm enters the wall
connect a trap arm to a water closet
all of the above
When shall a long radius 90 degree elbow be used?
To join 2 soil-or-waste pipes
To change the direction of piping from vertical to horizontal, in the direction of flow
To change the direction of piping from horizontal to horizontal, in the direction of flow
All of the above
Wye fittings are allowed to be used to connect to a trap arm?
True
False
Where can Wye Fittings be used?
Anywhere in a drainage system, except for trap arms
Anywhere in a venting system
All of the above
None of the above
What does every length of pipe and fitting must have cased, stamped or indelibly marked on it?
Maker's Name or Mark
Weight, Class or Quality of the product
All of the above
None of the above
What is the minimum Trap Seal Depth?
18 mm
28 mm
38 mm
48 mm
50 mm
What is the minimum Trap Seal Depth specifically for Acid waste systems?
18 mm
28 mm
38 mm
48 mm
50 mm
Except for a floor-mounted service sink, every trap that serves a lavatory, a sink or a laundry try shall
be provided with a cleanout plug located at the highest point of the trap or be designed so that part of the trap can be removed for cleaning purposes.
be provided with a cleanout plug located at the lowest point of the trap or be designed so that part of the trap can not be removed for cleaning purposes.
be provided with a cleanout plug located at the highest point of the trap or be designed so that part of the trap can not be removed for cleaning purposes.
be provided with a cleanout plug located at the lowest point of the trap or be designed so that part of the trap can be removed for cleaning purposes.
