Allied & ICAR Exam Bank • ALLIED_0535 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Sprinkler and Micro Irrigation

Subtopic: Sprinkler and Micro Irrigation

Question Statement:

A venturi injector introduces liquid fertilizers into a pressurized drip irrigation system by:

Options:

  • (A) Creating a localized pressure drop below atmospheric pressure at a constricted throat according to Bernoulli's principle
  • (B) Using an external electric piston pump
  • (C) Heating the fertilizer
  • (D) Reversing water flow

Answer Key:

A

Step-by-Step Solution & Explanation

Water passing through the venturi throat accelerates, creating high velocity and low static pressure (partial vacuum), sucking fertilizer solution into the stream.
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