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Test Description: Chapter 33 Game
Instructions: Answer all questions to get your test result.
1) A line with a rectangular box represents which of the following pipe joint symbols?
A
Expansion Joint
B
Bell and Spigot Fitting
C
Welded Fitting
D
Soldered Fitting
2) What are nearly horizontal lines that carry waste?
A
Stacks
B
Soil Lines
C
Vent Stacks
D
Branches
3) Horizontal waste lines slope at ____ inch per foot to ensure an adequate flow.
A
1/2
B
1
C
3/4
D
1/4
4) What are vertical lines that carry waste to the house sewer?
A
Branches
B
Stacks
C
Vent Stacks
D
Soil Lines
5) For drainage fields, a percolation rate of ___ minutes per inch is considered acceptable, depending on local code requirements.
A
40 to 80
B
20 to 40
C
40 to 60
D
30 to 60
6) When municipal sewage-disposal facilities are available, connection of the house sewer to the public system is shown on the ____ plan.
A
Plot
B
Plumbing
C
Floor
D
Landscape
7) On plumbing drawings. a small circle with an *x* inside it represents a(n) _____.
A
Gate Valve
B
Safety Valve
C
Elbow Pipe Outlet
D
Hand Valve
8) A line with an *X* represents which of the following pipe joint symbols?
A
Welded Fitting
B
Expansion Joint
C
Bell and Spigot Fitting
D
Soldered Fitting
9) Vent stacks must extend a minimum of ____ above the roof.
A
5 inches
B
4 inches
C
7 inches
D
6 inches
10) The waste line diameter from the farthest fixture in a building to a public sewer or septic tank is ___.
A
4 inches
B
5 inches
C
3 inches
D
2 inches
11) 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
12) True/False: Filtered gray water refers to non-sewage wastewater.
A
True
B
False
13) True/False: Water supply lines and waste discharge lines are under pressure.
A
False
B
True
14) True/False: Plumbing drawings include gas supply lines.
A
False
B
True
15) True/False: All water entering the home from a public water supply must be filtered before it is used.
A
False
B
True
16) True/False: Tankless water heaters and domestic oil burners require less energy than other types.
A
False
B
True
17) True/False: Every fixture must include shut-off valves.
A
False
B
True
18) 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
True
B
False
19) True/False: Plumbing lines and symbols are usually added to a reproducible print of a complete floor plan to prepare the plumbing plans.
A
False
B
True
20) 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
True
B
False
*select an answer for all questions
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