Q:

Two gears in a mesh have the arc of contact = 27 mm. The pressure angle is 15°. Find the path of contact.

A) 104.32 mm B) 6.98 mm
C) 27.95 mm D) 26.08 mm
 
Answer & Explanation Answer: D) 26.08 mm

Explanation: Path of contact = Arc of contact x cos ? = 27 x cos 15° = 26.08 mm.

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