Allied & ICAR Exam Bank • ALLIED_0899 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Gully Control and Drop Spillways

Subtopic: Gully Control and Drop Spillways

Question Statement:

Gabion check dams (wire mesh crates filled with rock riprap) are flexible conservation structures especially suited for:

Options:

  • (A) Torrential gullies in seismic and unstable foundation zones where flexibility accommodates settlement without cracking
  • (B) Pure clay channels without rocks
  • (C) City municipal water supply only
  • (D) Deep oceanic trenches

Answer Key:

A

Step-by-Step Solution & Explanation

Gabions provide porous, self-draining, flexible structures that deform under soil settlement without catastrophic brittle structural failure.
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