Question

In the given figure, the cam has contact with _______

(a) Base circle

(b) Nose

(c) Straight flank

(d) Shaft

The question was posed to me in an online quiz.

I want to ask this question from Tangent Cam with Reciprocating Roller Follower topic in portion Cams of Machine Dynamics

Answer 1

Right answer is (b) Nose

Easy explanation: In the given figure the cam has 2 circular parts. The circular part with a bigger radius is called the base circle and the one with the smaller radius is called the nose. Hence the roller has contact with the nose.