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10 questions from this quiz
The pitch point
Sliding contact
20°20°20° and 14.5°14.5°14.5°
Constant pressure angle
Vibration, noise & inefficient power
Angle between line of action & pitch tangent
If less than half the pitch circle radius
Critical point normal must pass through
Line perpendicular to common tangent
Radial defects & undercut issues
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