Allied & ICAR Exam Bank • ALLIED_0488 NAT • 2 Marks

Section 5: Irrigation and Drainage Engineering

Crop Water Requirement

Subtopic: Crop Water Requirement

Question Statement:

A Class-A pan records a daily evaporation of $E_{pan} = 8.0\text{ mm}$. If the pan coefficient is $K_p = 0.75$, the reference evapotranspiration $ET_0 = K_p \times E_{pan}$ in mm/day is:

Answer Key:

6

Step-by-Step Solution & Explanation

$ET_0 = 0.75 \times 8.0 = 6.0\text{ mm/day}$.
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