Allied & ICAR Exam Bank • ALLIED_0935 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Surface Irrigation Systems

Subtopic: Surface Irrigation Systems

Question Statement:

In furrow irrigation evaluation, the two-point inflow-outflow method by Elliott and Walker is used to determine:

Options:

  • (A) Kostiakov-Lewis infiltration parameters ($k$, $a$, and steady intake rate $f_0$)
  • (B) Crop transpiration coefficient
  • (C) Groundwater depth
  • (D) Wind velocity profile

Answer Key:

A

Step-by-Step Solution & Explanation

By measuring advance times to two points (midpoint and end) along the furrow together with inflow and surface storage, volume balance equations yield Kostiakov-Lewis infiltration constants.
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