GAME LAB Question Preview (ID: 41331)
Chapter 33 Game.
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True/False: Because detergents assist in cleaning gray water, some codes allow smaller septic tanks if laundry waste is included in the household discharge system.
a) False
b) True
c)
d)
True/False: Plumbing lines and symbols are usually added to a reproducible print of a complete floor plan to prepare the plumbing plans.
a) True
b) False
c)
d)
True/False: Every fixture must include shut-off valves.
a) True
b) False
c)
d)
True/False: The maximum outside pipe diameter that will fit inside a standard 4 inch stud wall or an 8 inch concrete black is 3 inches.
a) False
b) True
c)
d)
True/False: Plumbing drawings include gas supply lines.
a) False
b) True
c)
d)
True/False: All water entering the home from a public water supply must be filtered before it is used.
a) True
b) False
c)
d)
True/False: Tankless water heaters and domestic oil burners require less energy than other types.
a) False
b) True
c)
d)
True/False: Filtered gray water refers to non-sewage wastewater.
a) False
b) True
c)
d)
True/False: Water supply lines and waste discharge lines are under pressure.
a) True
b) False
c)
d)
True/False: The plumbing line symbol for a cold water line is a continuous line with the letter *C* repeated along the length of the line.
a) True
b) False
c)
d)
Vent stacks must extend a minimum of ____ above the roof.
a) 5 inches
b) 4 inches
c) 6 inches
d) 7 inches
The waste line diameter from the farthest fixture in a building to a public sewer or septic tank is ___.
a) 2 inches
b) 4 inches
c) 3 inches
d) 5 inches
A line with an *X* represents which of the following pipe joint symbols?
a) Expansion Joint
b) Bell and Spigot Fitting
c) Welded Fitting
d) Soldered Fitting
On plumbing drawings. a small circle with an *x* inside it represents a(n) _____.
a) Hand Valve
b) Safety Valve
c) Elbow Pipe Outlet
d) Gate Valve
For drainage fields, a percolation rate of ___ minutes per inch is considered acceptable, depending on local code requirements.
a) 20 to 40
b) 40 to 60
c) 30 to 60
d) 40 to 80
When municipal sewage-disposal facilities are available, connection of the house sewer to the public system is shown on the ____ plan.
a) Plumbing
b) Plot
c) Landscape
d) Floor
What are nearly horizontal lines that carry waste?
a) Soil Lines
b) Stacks
c) Branches
d) Vent Stacks
Horizontal waste lines slope at ____ inch per foot to ensure an adequate flow.
a) 1/2
b) 1
c) 1/4
d) 3/4
What are vertical lines that carry waste to the house sewer?
a) Vent Stacks
b) Soil Lines
c) Stacks
d) Branches
A line with a rectangular box represents which of the following pipe joint symbols?
a) Welded Fitting
b) Soldered Fitting
c) Expansion Joint
d) Bell and Spigot Fitting
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