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This section includes 14 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. |
A slider moves with uniform velocity v on a revolving link of length r with angular velocity of ω. The Coriolis acceleration component of a point on the slider relative to a coincident point on the link is equal to |
| A. | 2rω parallel to the link |
| B. | 2ωv perpendicular to the link |
| C. | 2rω perpendicular to the link |
| D. | 2ωv parallel to the link |
| Answer» C. 2rω perpendicular to the link | |
| 2. |
Angular acceleration of a link AB is given by |
| A. | centripetal acceleration/length |
| B. | tangential acceleration/length |
| C. | total acceleration/length |
| D. | none of the mentioned |
| Answer» C. total acceleration/length | |
| 3. |
At an instant, if the angular velocity of a link is clockwise then the angular acceleration will be |
| A. | clockwise |
| B. | counterclockwise |
| C. | in any direction |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
At an instant the link AB of length r has an angular velocity ω and an angular acceleration α. What is the total acceleration of AB? |
| A. | [(ω2r)2 + αr)2]1/2 |
| B. | [(ωr)2 + αr)2]1/2 |
| C. | [(ω2r)2 + αr)]1/2 |
| D. | [(ω2r)2 + αr)2]1/2 |
| Answer» B. [(ωr)2 + αr)2]1/2 | |
| 5. |
ANGULAR_ACCELERATION_OF_A_LINK_AB_IS_GIVEN_BY?$ |
| A. | centripetal acceleration/length |
| B. | tangential acceleration/length |
| C. | total acceleration/length |
| D. | none of the mentioned |
| Answer» C. total acceleration/length | |
| 6. |
A slider moves with uniform velocity v on a revolving link of length r with angular velocity of ω. The Coriolis acceleration component of a point on the slider relative to a coincident point on the link is equal to$# |
| A. | 2rω parallel to the link |
| B. | 2ωv perpendicular to the link |
| C. | 2rω perpendicular to the link |
| D. | 2ωv parallel to the link |
| Answer» C. 2r‚âà√¨‚àö¬¢ perpendicular to the link | |
| 7. |
At an instant, if the angular velocity of a link is clockwise then the angular acceleration will b? |
| A. | clockwise |
| B. | counterclockwise |
| C. | in any direction |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
At an instant the link AB of length r has an angular velocity ω and an angular acceleration α. What is the total acceleration of AB?$ |
| A. | [(ω<sup>2</sup>r)<sup>2</sup> + αr)<sup>2</sup>]<sup>1/2</sup> |
| B. | [(ωr)<sup>2</sup> + αr)<sup>2</sup>]<sup>1/2</sup> |
| C. | [(ω<sup>2</sup>r)<sup>2</sup> + αr)]<sup>1/2</sup> |
| D. | [(ω<sup>2</sup>r)2 + αr)<sup>2</sup>]<sup>1/2</sup> |
| Answer» B. [(‚âà√¨‚àö¬¢r)<sup>2</sup> + ‚âà√≠¬¨¬±r)<sup>2</sup>]<sup>1/2</sup> | |
| 9. |
The component of the acceleration directed towards the center of rotation of a revolving body is known as ____________ component. |
| A. | tangential |
| B. | centripetal |
| C. | coriolis |
| D. | none of the mentioned |
| Answer» C. coriolis | |
| 10. |
The space centrode of a circular disc rolling on a straight path is |
| A. | circle |
| B. | parabola |
| C. | a straight line |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 11. |
The locus of instantaneous center of a moving body relative to a fixed body is known as the |
| A. | space centrode |
| B. | body centrode |
| C. | moving centrode |
| D. | none of the mentioned |
| Answer» B. body centrode | |
| 12. |
The instantaneous center of rotation of a circular disc rolling on a straight path is |
| A. | at the center of the disc |
| B. | at their point of contact |
| C. | at the center of gravity of the disc |
| D. | at infinity |
| Answer» C. at the center of gravity of the disc | |
| 13. |
The fixed instantaneous center of mechanism |
| A. | varies with the configuration |
| B. | remains at the same place for all configurations |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» C. all of the mentioned | |
| 14. |
The instantaneous centers of a slider moving in a curved surface lies at |
| A. | infinity |
| B. | their point of contact |
| C. | the center of curvature |
| D. | the pin point |
| Answer» D. the pin point | |