Kinematics and Theory of Machines (3131906) MCQs

MCQs of Cams

Showing 1 to 10 out of 27 Questions
1.

In a radial cam, the follower moves _____.

(a)

in a direction perpendicular to the cam axis

(b)

in a direction parallel to the cam axis

(c)

in any direction irrespective of the cam axis

(d)

along the cam axis

Answer:

Option (a)

2.

When the flat-faced follower is circular, it is then called a _______ follower.

(a)

roller

(b)

mushroom

(c)

spherical

(d)

circular

Answer:

Option (b)

3.

When the motion of the follower is along an axis away from the axis of the cam centre, it is called _______.

(a)

radial follower

(b)

oscillating

(c)

off-set follower

(d)

rotating

Answer:

Option (c)

4.

The cam and the follower have a line contact and constitute a _________.

(a)

lower pair

(b)

higher pair

(c)

screw pair

(d)

spherical pair

Answer:

Option (b)

5.

The size of a cam depends upon _______.

(a)

base circle

(b)

pitch circle

(c)

prime circle

(d)

pitch curve

Answer:

Option (a)

6.

The angle between the direction of the follower motion and a normal to the pitch curve is called ________.

(a)

pitch angle

(b)

prime angle

(c)

base angle

(d)

pressure angle

Answer:

Option (d)

7.

A circle drawn with the centre as the cam centre and radius equal to the distance between the cam centre and the point on the pitch curve at which the pressure angle is maximum is called _____.

(a)

base circle

(b)

pitch circle

(c)

prime circle

(d)

pressure angle

Answer:

Option (b)

8.

The cam follower generally used in automobile engines is _______.

(a)

knife edge follower

(b)

flat faced follower

(c)

spherical faced follower

(d)

roller follower

Answer:

Option (c)

9.

The cam follower extensively used in air-craft engines is ______.

(a)

knife edge follower

(b)

flat faced follower

(c)

spherical faced follower

(d)

roller follower

Answer:

Option (d)

10.

Offset is provided to a cam follower mechanism to _______.

(a)

minimise the side thrust

(b)

accelerate

(c)

avoid jerk

(d)

accelerate and avoid jerk

Answer:

Option (a)

Showing 1 to 10 out of 27 Questions