Allied & ICAR Exam Bank • ALLIED_0905 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Watershed Morphometry

Subtopic: Watershed Morphometry

Question Statement:

In a geotextile-lined grassed waterway, the permanent synthetic turf reinforcement mat (TRM) serves to:

Options:

  • (A) Anchor vegetation root systems and double the maximum permissible non-erodible shear stress and flow velocity
  • (B) Prevent grass from growing
  • (C) Stop all water infiltration
  • (D) Melt ice in winter

Answer Key:

A

Step-by-Step Solution & Explanation

TRMs intertwine with root mats to withstand high shear stresses (
gt; 200-300\text{ Pa}$) and velocities (
gt; 4-5\text{ m/s}$), preventing gullying during establishment.
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