Allied & ICAR Exam Bank • ALLIED_0201 NAT • 2 Marks

Section 2: Farm Machinery

Farm Machinery

Subtopic: Calculation of performance parameters – field capacity, efficiency, performance index, application rate and losses

Question Statement:

A power duster delivers insecticide dust at $1.2\text{ kg/min}$. Forward travel speed is $4.5\text{ km/h}$ and swath width is $4.0\text{ m}$. Dust application rate in kg/ha is:

Answer Key:

40

Step-by-Step Solution & Explanation

Coverage $= (4.0 \times 4.5)/10 = 1.8\text{ ha/h}$. Discharge $= 1.2 \times 60 = 72\text{ kg/h}$. Rate $= 72 / 1.8 = 40.0\text{ kg/ha}$.
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