Allied & ICAR Exam Bank • ALLIED_0237 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 disk plow with width $0.9\text{ m}$ operates at $4.0\text{ km/h}$. The field efficiency is $80\%$. To plow a 9-hectare field, the machine operating time required in hours is:

Answer Key:

31.25

Step-by-Step Solution & Explanation

$TFC = (0.9 \times 4.0)/10 = 0.36\text{ ha/h}$. $EFC = 0.36 \times 0.80 = 0.288\text{ ha/h}$. Time $= 9.0 / 0.288 = 31.25\text{ h}$.
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