Allied & ICAR Exam Bank • ALLIED_2932 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 seed drill covers a swath width of $2.5\text{ m}$. To achieve an effective capacity of $1.5\text{ ha/h}$ with field efficiency $75\%$ (0.75), the required operating speed in km/h is:

Answer Key:

8

Step-by-Step Solution & Explanation

$\text{EFC} = \frac{W \times S}{10} \times 0.75 \implies 1.5 = \frac{2.5 \times S}{10} \times 0.75 = 0.1875 S \implies S = 1.5 / 0.1875 = 8.0\text{ km/h}$.
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