CPESC Questions with Detailed
Verified Answers
Question: RUSLE evaluates
Ans: annual soil loss
Question: A=R*K*LS*C*P The R value comes from
Ans: isoerodent maps
Question: A=R*K*LS*C*P The K value comes from
Ans: Table-Soil Erodibility Factor
Question: A=R*K*LS*C*P The LS value comes from
Ans: Table-Topagraphic factor, high ratio of rill to interill erosion
Question: A=R*K*LS*C*P The C value comes from
Ans: Table-Cover Management Factors
Question: A=R*K*LS*C*P The P value comes from
Ans: Table-Practice Factor
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Question: A=R*K*LS*C*P The units for A are
Ans: tons/acre/year(so you have to multiply by acre to get tons/year)
Question: M is the
Ans: Adjustment Factor for Estimating Monthly & Portions of Annual Soil
Loss
Question: Convert M% to tons
Ans: .0% * A tons
Question: How many cubic yards of soil will be lost
Ans: Use table-estimated Weight of Soils, then convert the units or * A
Question: how many pounds = 1 ton
Ans: 2,000
Question: How many cubic feet in a cubic yard?
Ans: 27
Question: Soil loss using Erosion Index % GRAPH
Ans: Future %-Past %=% then .0% x A