Question: Consider the triangle formed by the connecting rod and the crank of an IC engine as the two sides of the triangle. If the maximum

Consider the triangle formed by the connecting rod and the crank of an IC engine as the two sides of the triangle. If the maximum area of this triangle occurs when the crank angle is $75^{\circ}$ the ratio of connecting rod length to crank radius is

(a) 5

(b) 4

(c) 3.73

(d) 3 .

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