Allied & ICAR Exam Bank • ALLIED_0207 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 knapsack sprayer has nozzle discharge $0.6\text{ L/min}$. Swath is $0.8\text{ m}$. Forward speed is $2.4\text{ km/h}$. Application rate in L/ha is:

Answer Key:

187.5

Step-by-Step Solution & Explanation

Coverage $= (0.8 \times 2.4)/10 = 0.192\text{ ha/h}$. Discharge $= 0.6 \times 60 = 36.0\text{ L/h}$. Rate $= 36 / 0.192 = 187.5\text{ L/ha}$.
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