Allied & ICAR Exam Bank • ALLIED_0480 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Watershed Morphometry

Subtopic: Watershed Morphometry

Question Statement:

In Strahler's stream ordering system, when two streams of order $u$ join, the resulting downstream channel order becomes:

Options:

  • (A) $u + 1$
  • (B) $u$
  • (C) $2u$
  • (D) $u + 2$

Answer Key:

A

Step-by-Step Solution & Explanation

In Strahler's hierarchy, segments of order $u$ joining another of order $u$ create order $u+1$. When two streams of unequal order join, the downstream channel retains the higher order.
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