Allied & ICAR Exam Bank • ALLIED_2807 NAT • 2 Marks

Section 2: Farm Machinery

Machine Design

Subtopic: Overload safety devices used in farm machinery

Question Statement:

In a single shear pin coupling, the pin diameter is $6\text{ mm}$. The cross-sectional shear area in $\text{mm}^2$ (rounded to 1 decimal place) is:

Answer Key:

28.3

Step-by-Step Solution & Explanation

$A = \frac{\pi}{4} d^2 = \frac{\pi}{4} (36) \approx 28.27\text{ mm}^2$.
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