Allied & ICAR Exam Bank • ALLIED_0474 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Gully Control and Drop Spillways

Subtopic: Gully Control and Drop Spillways

Question Statement:

A chute spillway is generally preferred over a drop spillway when:

Options:

  • (A) The total drop in gully bed is large (
    gt; 3 - 6\text{ m}$) and a steep paved channel carries water down to a stilling basin
  • (B) Drop is less than 0.5 m
  • (C) Soil is pure gravel
  • (D) Runoff has zero velocity

Answer Key:

A

Step-by-Step Solution & Explanation

Chute spillways convey flood runoff down steep slopes on an open inclined trough or chute, ending in a hydraulic jump stilling basin.
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