Which type of cam has a groove cut in the form of a spiral?

Spiral cam

Fill in the blank: A ______ is the smallest circle tangent to the cam profile drawn from the center of rotation of a radial cam.

Base circle

True or False: A radial follower's line of movement passes through the center of rotation of the cam.

True

Riddle: I can rise and fall, moving in a path you can trace, yet I am not a wave, I’m mechanical in nature and defined by my base. What am I?

A cam

What is the angle through which the cam turns during the time the follower returns to the initial position called?

Angle of descent (ϕd)

Which type of follower is limited in use due to high wear at the point of contact?

Knife-edge follower

Fill in the blank: The angle at which the pressure angle is maximum on the pitch curve is known as the ______.

Pitch point

True or False: The pitch circle is the circle passing through the pitch point and is concentric with the prime circle.

False. The pitch circle is concentric with the base circle, not the prime circle.

What type of cam is preferred for low wear and better control of the follower?

Conjugate cams

Which motion describes a follower that alternates between rising and returning with no dwell periods?

Rise-Return-Rise (RRR)