Allied & ICAR Exam Bank • ALLIED_0158 NAT • 2 Marks

Section 2: Farm Machinery

Farm Machinery

Subtopic: Soil tillage

Question Statement:

A rotavator rotor has 36 L-shaped blades. If the power consumed at the PTO is $24\text{ kW}$ at rotor speed $220\text{ rpm}$, the torque delivered to the rotor shaft in $\text{N}\cdot\text{m}$ is (rounded off to one decimal place):

Answer Key:

1041.8

Step-by-Step Solution & Explanation

$T = (60 \times P)/(2 \pi N) = (60 \times 24000)/(2 \pi \times 220) = 1440000 / 1382.3 = 1041.75\text{ N}\cdot\text{m}$.
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