Section 4: Soil and Water Conservation Engineering
Soil and Water Erosion
Subtopic: Soil loss estimation
Question Statement:
The soil erodibility factor needs to be determined for use in the Universal Soil Loss Equation. The length (m) and slope (%) of the experimental plot to be used for this purpose, respectively, are:
Options:
(A) 19, 12
(B) 21, 11
(C) 22, 9
(D) 23, 8
Official Answer Key:
C
Step-by-Step Solution & Explanation
The USLE 'unit plot' used to define the soil-erodibility factor K is standardized as 22.13 m (72.6 ft) long on a uniform 9% slope, kept in continuous fallow with up-and-down-slope tillage. Answer: C.
Practice This in Real CBT Exam Interface
Test yourself with the official TCS-iON palette, virtual calculator, and immediate performance analytics.