Practice question
The maximum length of arc of contact for two mating gears to avoid interference is given by which formula? (where r = pitch circle radius of pinion, R = pitch circle radius of gear, and φ = pressure angle)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(R + r) tanφ✓
- 2(R + r) sinφ
- 3(R + r) cosφ
- 4None of the above
Correct answer
(R + r) tanφ
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