Allied & ICAR Exam Bank • ALLIED_1238 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Micro-Irrigation Systems

Subtopic: Hydrocyclone Sand Separator

Question Statement:

In a micro-irrigation head filtration unit, a hydrocyclone (sand separator) is positioned upstream of media and screen filters primarily to:

Options:

  • (A) Remove coarse sand and heavy suspended silt particles through centrifugal vortex action
  • (B) Filter dissolved fertilizer salts
  • (C) Eliminate algae and biological slime
  • (D) Reduce water pressure to drip operating range

Answer Key:

A

Step-by-Step Solution & Explanation

Hydrocyclone separators spin incoming water tangentially, forcing dense sand grains to the outer wall and settling them into an underflow collection chamber without moving parts.
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