Allied & ICAR Exam Bank • ALLIED_0489 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Crop Water Requirement

Subtopic: Crop Water Requirement

Question Statement:

The Net Irrigation Requirement (NIR) of a crop is calculated as:

Options:

  • (A) $NIR = ET_c - P_e + LR$
  • (B) $NIR = ET_c + P_e$
  • (C) $NIR = ET_c / \eta_a$
  • (D) $NIR = P_e - ET_c$

Answer Key:

A

Step-by-Step Solution & Explanation

Net Irrigation Requirement equals crop evapotranspiration minus effective rainfall, plus any leaching requirement ($NIR = ET_c - P_e + LR$).
← Previous (ALLIED_0488) Next (ALLIED_0490) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test