Allied & ICAR Exam Bank • ALLIED_2788 NAT • 2 Marks

Section 2: Farm Machinery

Machine Design

Subtopic: Design and selection of machine elements – gears, pulleys, chains and sprockets and belts

Question Statement:

A chain drive connects a 15-tooth driving sprocket rotating at $600\text{ rpm}$ to a 45-tooth driven sprocket on a rotavator. The speed of the driven shaft in rpm is:

Answer Key:

200

Step-by-Step Solution & Explanation

$N_2 = N_1 \times \frac{T_1}{T_2} = 600 \times \frac{15}{45} = 200\text{ rpm}$.
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