Hi guys in this lecture we learn about the mechanical engineering topic Cam follower multiple choice questions with answers.

 Without westing time let's see the questions and answers,

Theory of machine, Cam follower MCQ with answers

Q.no.1. Cam follower generally use in aircraft engines is

 A: Knife edge follower

 B: Flat faced follower

 C: Spherical faced follower

 D: Roller follower

Answer:- (D)

Q.no.2. Cam angle is defined as the angle

A: During which the follower returns to its initial position

B: Of rotation of the cam for definite displacement of follower

C: Through which, the cam rotates during the period in which the follower remains in the highest 

position

D: Moved by cam from instant the follower begins to rise, till reaches its highest position

Answer:- (B)

Q.no.3. Cylindrical cams can be classified as

A: Circular 

B: Tangent

C: Reciprocating D

D: none of the mentioned

Answer:- (D)

Q.no.4.Cam size depends upon 

A: base circle

B: pitch circle 

C: prime circle

D: outer circle

Answer:-(A)

Q.no.5. The pressure angle of a cam depends upon

A: Offset between centre lines of cam     follower

B: Lift of follower

C: Angle of ascent

D: All of the mentioned

Answer:- (D)

Q.no.6. Throw of a cam is the maximum distance of the follower from

A: Base Circle

B: Pitch Circle 

C: Root Circle

D: Prime Circle but

Answer:- (D)

Q.no.7. For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

A: Maximum and zero 

B: Zero and maximum

C: Minimum and maximum

D: Zero and minimum

Answer:- (A)

Q.no.8. Angle of ascent of cam is defined as the angle

A: During which the follower returns to its initial position

B: Of rotation of the cam for a definite displacement of the follower

C: Through which the cam rotates during the period in which follower remains highest position

D: Moved by the cam from instant the follower begins rise, till reaches its highest position

Answer:- (D)

Q.no.9. Angle of action of cam is defined as the angle

A: Of rotation of the cam for a definite displacement of the follower

B: Through which the cam rotates during the period in which the follower remains in the highest   position

C: Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

D: Moved by the cam from beginning of ascent to the termination of descent

Answer:- (D)

Q.no.10. A circle drawn with 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: None of the above

Answer:- (B)

Q.no.11. 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:- (C)

Q.no.12. 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:- (A)

Q.no.13. Offset is provided to a cam follower mechanism to

A: Minimise the side thrust

B: Accelerate

C: Avoid jerk

D: None of the above

Answer:- (A)

Q.no.14. For low & moderate speed engines, cam follower should move with

A: Uniform velocity

B: Simple harmonic motion

C: Uniform acceleration and retardation

D: Cycloidal motion

Answer:- (B)

Q.no.15. A radial follower is one

A: That reciprocates in the guides

B: That oscillates

C: In which the follower translates along an axis passing through the cam centre of rotation.

D: None of the above

Answer:- (A)

Q.no.16. Which of the following displacement diagrams should be chosen for better dynamic 

performance of a cam-follower mechanism ?

A: Simple harmonic motion

B: Parabolic motion

C: Cycloidal motion

D: None of the above

Answer:- (C)

Q.no.17. Which type of cam does not require any external force to have contact between cam and 

follower?

A: Preloaded spring cam

B: Conjugate cam

C: Both a. and b.

D:None of the above

Answer:- (A)

Q.no.18. 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

Answer:- (A)

Q.no.19. For the same lift and same angle of ascent, a smaller base circle will give

A: small value of pressure angle

B: A large value of pressure angle

C: No such relation with pressure angle

D: Something else

Answer:- (A)

Q.no.20. What is meant by jump phenomenon in cam and follower system?

A: Follower looses contact with cam surface when cam rotates beyond particular speed due to 

inertia forces

B: Follower looses contact with cam surface when follower rotates beyond particular speed due to 

gravitational force

C: Follower looses contact with cam surface when cam rotates beyond particular speed due to 

gravitational forces

D: All of the above.

Answer:- (A)

Q.no.21. In a cam-follower mechanism, what is the significance of the pitch curve?

A) It determines the shape of the cam profile.

B) It represents the motion of the follower relative to the cam.

C) It indicates the speed of the follower.

D) It controls the direction of motion of the cam.

Answer: (B) 

Q.no.22.Which of the following is a disadvantage of using a knife-edge cam follower?

A) High friction

B) Limited load-carrying capacity

C) Complex manufacturing process

D) Low accuracy

Answer:- (B) 

So in this lecture we study Theory of machine, Cam follower MCQ with answers. hope you understand well.