Allied & ICAR Exam Bank • ALLIED_0387 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Open Channel Flow

Subtopic: Open Channel Flow

Question Statement:

The height of a hydraulic jump $H_j$ is defined as:

Options:

  • (A) $H_j = y_2 - y_1$
  • (B) $H_j = y_2 + y_1$
  • (C) $H_j = \sqrt{y_1 y_2}$
  • (D) $H_j = (y_2 - y_1)/2$

Answer Key:

A

Step-by-Step Solution & Explanation

Height of jump is the vertical elevation difference between post-jump depth and pre-jump depth: $H_j = y_2 - y_1$.
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