| 1. |
In order to properly evaluate the effects of changes in the magnitude of peak flows, you should consider the timing of peak flows from the site and their contribution to peak-flow rates in receiving streams or channels. |
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True |
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False |
| 2. |
The peak flow can be controlled by detention pond volumes, they are a function of the area draining to a discharge point, as well as the amount of precipitation losses for a given design storm. |
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True |
|
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False |
| 3. |
A _________________________ site is a characteristic description of a proposed municipal solid waste site that has a natural condition or an undeveloped condition. |
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Red field |
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Green field |
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Black field |
| 4. |
A typical curve number for a green field site may vary between ________ for a sandy soil located near a coastal region, to ________ in a hilly region with clay soils in North Central Texas. |
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65,84 |
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64,85 |
| 5. |
Typical curve number values for final-cover systems range from ________________. |
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80,90 |
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85,90 |
| 6. |
Areas are a function of flow rate, drainage way cross-section geometry, surface, and slope along the flow line. |
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True |
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False |
| 7. |
In analyzing the natural condition of sites where there has been no prior landfill development (green field sites), the appropriate comparison should be between the condition at the time the application is filed and the post development condition. |
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True |
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False |
| 8. |
The ________________ condition is defined as the condition of the drainage pattern – at the time the application is submitted reflecting any previous development activities on the tract that may have changed the natural drainage patterns. |
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Predevelopment |
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Post development |
| 9. |
The Rational Method is needed for small drainage areas of less than _________________. |
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100 acres |
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200 acres |
| 10. |
The Kinematic Wave and Muskingum-Cunge methods are applicable to small-water catchments with uniform slopes, channels, and drainage patterns. |
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True |
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False |
| 11. |
Direct runoff methods were developed for a network of relatively large drainage subareas. |
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True |
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False |
| 12. |
The purpose of detention ponds in landfill drainage design is to accommodate and attenuate excess rainfall, and to provide a controlled release of that rainfall. |
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True |
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False |
| 13. |
Typical input parameters for determining a typical detention pond are _________________. |
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Design areas, |
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Land slopes, |
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Soil types, |
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All the above |
| 14. |
Channel routing can be used where the channel profile or plan is changed in such a way so as to alter the natural velocity or channel storage characteristics. |
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True |
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False |
| 15. |
There are many methods and models for sizing detention ponds, but the preferred methods include the Rational Method,HEC-1, HEC-HMS, HEC-2, and HEC-RAS. |
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True |
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False |
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