A line with a rectangular box represents which of the following pipe joint symbols?
What are nearly horizontal lines that carry waste?
Horizontal waste lines slope at ____ inch per foot to ensure an adequate flow.
What are vertical lines that carry waste to the house sewer?
For drainage fields, a percolation rate of ___ minutes per inch is considered acceptable, depending on local code requirements.
When municipal sewage-disposal facilities are available, connection of the house sewer to the public system is shown on the ____ plan.
On plumbing drawings. a small circle with an *x* inside it represents a(n) _____.
A line with an *X* represents which of the following pipe joint symbols?
Vent stacks must extend a minimum of ____ above the roof.
The waste line diameter from the farthest fixture in a building to a public sewer or septic tank is ___.
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.
True/False: Filtered gray water refers to non-sewage wastewater.
True/False: Water supply lines and waste discharge lines are under pressure.
True/False: Plumbing drawings include gas supply lines.
True/False: All water entering the home from a public water supply must be filtered before it is used.
True/False: Tankless water heaters and domestic oil burners require less energy than other types.
True/False: Every fixture must include shut-off valves.
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.
True/False: Plumbing lines and symbols are usually added to a reproducible print of a complete floor plan to prepare the plumbing plans.
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.
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