Allied & ICAR Exam Bank • ALLIED_0337 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

A tractor traveling in a straight line has rear wheels turning at $40\text{ rpm}$. When making a turn, the outer wheel turns at $48\text{ rpm}$. In the standard differential, the inner wheel speed in rpm is:

Answer Key:

32

Step-by-Step Solution & Explanation

Differential average speed: $(N_1 + N_2)/2 = N_{crown} \implies N_{inner} = 2(40) - 48 = 80 - 48 = 32\text{ rpm}$.
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