| 1. |
A culvert is ______________ used to convey water from one area to another, usually from one side of a road to the other side. |
|
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An open conduit |
|
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A closed conduit |
| 2. |
Culverts do not function to preserve the road base by draining water from ditches along the road, keeping the sub-base dry. |
|
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True |
|
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False |
| 3. |
Culverts can be divided into two functional types: Stream Crossing and Runoff Management |
|
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True |
|
|
False |
| 4. |
In live (flowing) streams install sandbags, silt fences, earthen dikes, or other appropriate measures to inhibit flow whenever possible. |
|
|
True |
|
|
False |
| 5. |
Head walls may be used when hydraulic capacity needs to be increased, and/or when installing a head wall will be more efficient than culvert replacement. |
|
|
|
True |
|
False |
| 6. |
Head walls may be of poured concrete, bagged concrete, concrete blocks, bricks, logs, cut wood, or may be shaped loose rock riprap, etc. |
|
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True |
|
|
False |
| 7. |
When replacing damaged culverts which handle the flow adequately, use any size, shape, and any type of pipe. |
|
|
True |
|
|
False |
| 8. |
The examples of fish friendly designs are represented in ___________________. |
|
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Figure 3-1 |
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|
Figure 3-2 |
| 9. |
The ___________________ culvert is self defining. |
|
|
Stream crossing |
|
|
Runoff management |
| 10. |
The runoff management culverts are commonly called cross-drains |
|
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True |
|
|
False |
|
