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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The angle which the normal reaction makes with the resultant reaction is called angle of friction. |
A. | True |
B. | False |
Answer» B. False | |
2. |
The angle of the inclined plane at which the body just begins to slide down the plane, is called helix angle. |
A. | True |
B. | False |
Answer» C. | |
3. |
THE_ANGLE_WHICH_THE_NORMAL_REACTION_MAKES_WITH_THE_RESULTANT_REACTION_IS_CALLED_ANGLE_OF_FRICTION.?$ |
A. | True |
B. | False |
Answer» B. False | |
4. |
The_angle_of_inclination_of_the_plane,_at_which_the_body_begins_to_move_down_the_plane_is_called$ |
A. | angle of friction |
B. | angle of repose |
C. | angle of projection |
D. | none of the mentioned |
Answer» C. angle of projection | |
5. |
The angle of the inclined plane at which the body just begins to slide down the plane, is called helix angle? |
A. | True |
B. | False |
Answer» C. | |
6. |
The static friction |
A. | bears a constant ratio to the normal reaction between the two surfaces |
B. | is independent of the area of contact, between the two surfaces |
C. | always acts in a direction, opposite to that in which the body tends to move |
D. | all of the mentioned |
Answer» E. | |
7. |
The dynamic friction is the friction experienced by a body, when the body |
A. | is in motion |
B. | is at rest |
C. | just begins to slide over the surface of the other body |
D. | none of the mentioned |
Answer» B. is at rest | |
8. |
The friction experienced by a body, when at rest, is known as static friction. |
A. | True |
B. | False |
Answer» B. False | |
9. |
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as |
A. | static friction |
B. | dynamic friction |
C. | limiting friction |
D. | coefficient of friction |
Answer» D. coefficient of friction | |
10. |
A force acting in the opposite direction to the motion of the body is called force of friction. |
A. | True |
B. | False |
Answer» B. False | |
11. |
The power from the engine to the rear axle of an automobile is transmitted by means of |
A. | worm and worm wheel |
B. | spur gears |
C. | bevel gears |
D. | hooke’s joint |
Answer» E. | |