Quiz 5-6

Horton’s equation is applicable for
ponding
Ponding without infiltration
Continuous ponding
none of the answers
This instrument can be used to measure
rainfall
Infiltration
evaporation
None of the answers
The US customary units of phi-index are:
Inches/hour
inches
None of the answers
inches /ft
Which one of the following is primarily used for stormwater quality management ?
retention pond
detention pond
culvert
None of the answers
The SCS Curve number formula/method provides :
runoff depth
runoff volume
peak discharge
None of the answers
Composite CN for a region with two different areas Area 1 (2 acres) : Curve number : 61 Area 2 (4 acres) : Curve number : 98
86
85.67
86 inches
None of the answers
The curve numbers provided in a table provided in the class are for:
average soil conditions
Dry soil conditions
Wet soil conditions
None of the answers
As the CN increases the soil moisture retention capacity
Decreases
increases
remains the same
Doubles
None of the answers
If the CN =100, what will be S value ?
Zero
less than zero
greater than zero
none of the answers
CN- III is for
Wet AMC conditions
Dry AMC conditions
Average AMC conditions
None of the answers
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