A cam profile is drawn which gives a uniform rise and fall of 40 mm to a point during each revolution of cam. The follower will rise to a distance of 20 mm if the shaft is rotated to an angle of _____

A cam profile is drawn which gives a uniform rise and fall of 40 mm to

1.	A cam profile is drawn which gives a uniform rise and fall of 40 mm to a point during each revolution of cam. The follower will rise to a distance of 20 mm if the shaft is rotated to an angle of _____
A.	180 degrees
B.	90 degrees
C.	120 degrees
D.	150 degrees
Answer» C. 120 degrees