Fittings
A "street" 90 fitting has only one or two hubs.
one
The maximum distance from a vent to a trap for 2 inch drain (trap arm) is?
6 feet
Where can you use a union on a drainage system?
a trap
What material can be used to supply potable hot water?
type "L" copper
I.P.S. is the abbreviation for_________________.
iron pipe size
Every thread must conform to _____________________.
American National taper pipe thread
The minimum size vent through a roof is______ inches.
2"
How many water closets can be on a 3" horizontal drain?
4
What is the maximum potable water temperature allowed in a residential dwelling?
130 degrees F
What is an example of an elbow?
90 degree
A tee that has three connections that measure 1" would be ordered as ______________.
1" tee
What is the minimum size for a wet vent?
2 inches
Where is a sanitary tee used?
drainage system
What is the maximum potable water pressure in a residential building?
80 psi
What type of copper is used on a sanitary drainage system?
DWV
A 45 degree fitting is a ___________________.
1/8 of a circle
A roof vent must extend a minimum of ____________ above the roof.
18"-24"
The two most common types of cast iron are:
SVCI & NHCI
If the pressure at any plumbing fixture, device or appurtenance exceeds ___ PSIG, a pressure reducing valve shall be installed on the water piping upstream of the device, or appurtenance to limiting the pressure to 80 PSIG. Where pressure reducing valves are installed, a pressure gauge with a minimum range of 0-150 PSIG shall be installed within ___ inches downstream of the pressure reducing valve.
80, 24
What is the minimum size drainage pipe through a foundation wall?
4"
A three-way drainage fitting is called ______________.
a wye
A vent must be at least ______ feet away from a fresh air intake.
25
On a 3 story or greater building how many pipe diameters away must a laundry drain be to connect into a soil waste stack?
40
What is the maximum water temperature at a public lavatory faucet?
120 degrees
What is the minimum size underground drain pipe?
2"