Multiple Choice Questions (MCQ) on Cam and Follower
1- The reference point on the follower to lay the cam profile is known as the
(A) Cam center
(B) Pitch point
(C) Trace point
(D) Prime point
2- In a radial cam, the follower moves in a direction
(A) Parallel to the cam axis
(B) Perpendicular to the cam axis
(C) Along the cam axis
(D) None of the options
3- The point on the cam with the maximum pressure angle is known as the
(A) Cam center
(B) Pitch point
(C) Trace point
(D) Prime point
4- The angle between the axis of the follower and the normal to the pitch curve is known as the
(A) Base angle
(B) Pressure angle
(C) Pitch angle
(D) Prime angle
5- The circle drawn to the cam profile with the minimum radius is called the
(A) Prime circle
(B) Cam circle
(C) Pitch circle
(D) Base circle
6- A circle passing through the pitch point with its center at the center of cam axis is known as
(A) pitch circle
(B) base circle
(C) prime circle
(D) outer circle
7- The motion of the cam is transferred to the valves through
(A) Pistons
(B) Rocker arms
(C) Camshaft pulley
(D) Valve stems
8- The cam shaft in an engine is always mounted
(A) Parallel to the crankshaft
(B) Perpendicular to the crankshaft
(C) Inclined to the crankshaft
(D) None of these
9- A cam with a roller follower would constitute following type of pair
(A) lower pair
(B) higher pair
(C) close pair
(D) cam pair
10- The cam follower used in aircraft engines is a _______________ follower.
(A) roller
(B) flat-faced
(C) spherical faced
(D) knife-edged
11- In the cam, the distance between the base circle and the nose is called
(A) flank
(B) lobe
(C) lift
(D) displacement
12- For high speed engines, the cam follower should move with
(A) uniform velocity
(B) simple harmonic motion
(C) uniform acceleration and retardation
(D) cycloidal motion
13- The prime circle of a cam is
(A) the circle with center as the center of cam axis and radius such that it passes through the pitch point
(B) the smallest circle drawn to the cam profile from the center of rotation of a radial cam
(C) the cam circle enclosing the cam profile
(D) the smallest circle drawn to the pitch curve from the center of rotation of cam
14- Pitch point on a cam is
(A) any point on pitch curve
(B) the point on cam pitch curve having the maximum pressure angle
(C) any point on pitch circle
(D) the point on cam pitch curve having the minimum pressure angle
15- The size of cam depends upon
(A) Prime circle
(B) Base circle
(C) Pitch Circle
(D) None of the options
16- The smallest circle drawn to the cam profile from the center of rotation of a radial cam is called
(A) Base circle
(B) Prime circle
(C) Pitch Circle
(D) None of the options
ANSWERS:
1-(C), 2-(B), 3-(B), 4-(B), 5-(D), 6-(C), 7-(B), 8-(A), 9-(B), 10-(A), 11-(C), 12-(D), 13-(D), 14-(B), 15-(B), 16-(A)