Allied & ICAR Exam Bank • ALLIED_0537 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Sprinkler and Micro Irrigation

Subtopic: Sprinkler and Micro Irrigation

Question Statement:

Screen filters in micro-irrigation are designated by 'mesh size'. A 120-mesh screen has:

Options:

  • (A) 120 openings per linear inch
  • (B) 120 openings per square centimeter
  • (C) Openings of diameter 120 mm
  • (D) 120 wires per foot

Answer Key:

A

Step-by-Step Solution & Explanation

Mesh number defines the number of wire strands and apertures per linear inch (120 mesh corresponds to approx. $125-130\text{ \mu m}$ pore opening).
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