The pitch circle of a cam is

A.The smallest circle drawn to the pitch curve
B.Thesmallest circle drawn to the cam profile from the centre of rotation of a radial cam
C.The circle fitting in the cam profile
D.The circle with centre as the centre of cam axis and radius such that it passes through the point
E.None of the above

In case of involute gears

A.Interference is inherently absent
B.A convex flank is always in contact with concave flank
C.Variation in centre distance of shafts increases radial force
D.Pressure angle is constant throughout the teeth engagement
E.None of the above

1 24 25 26