MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
What is the direction of the coriolis component of acceleration in a slotted lever-crank mechanism? |
| A. | Along the sliding velocity vector |
| B. | Along the direction of the crank |
| C. | Along a line rotated 900 from the sliding velocity vector in a direction opposite to the angular velocity of the slotted lever |
| D. | Along a line rotated 900 from the sliding velocity in a direction same as that of the angular velocity of the slotted lever. |
| Answer» E. | |
| 2. |
The sense of Coriolis component 2ωV is the same as that of the relative velocity vector V rotated. |
| A. | 450 in the direction of rotation of the link containing the path |
| B. | 450 in the direction opposite to the rotation of the link containing the path |
| C. | 900 in the direction of rotation of the link containing the path |
| D. | 1800 in the direction opposite to the rotation of the link containing the path |
| Answer» D. 1800 in the direction opposite to the rotation of the link containing the path | |
| 3. |
Exact straight line motion mechanism |
| A. | hart’s mechanism |
| B. | pantograph |
| C. | grasshopper mechanism |
| D. | none of the mentioned |
| Answer» B. pantograph | |
| 4. |
Mechanism used to produce a diagram to an enlarged or reduced sacle |
| A. | hart’s mechanism |
| B. | pantograph |
| C. | grasshopper mechanism |
| D. | peaucellier’s mechanism |
| Answer» C. grasshopper mechanism | |
| 5. |
THE_SENSE_OF_CORIOLIS_COMPONENT_2‚ÂÀ√¨‚ÀÖ¬¢V_IS_THE_SAME_AS_THAT_OF_THE_RELATIVE_VELOCITY_VECTOR_V_ROTATED.?$# |
| A. | 45<sup>0</sup> in the direction of rotation of the link containing the path |
| B. | 45<sup>0</sup> in the direction opposite to the rotation of the link containing the path |
| C. | 90<sup>0</sup> in the direction of rotation of the link containing the path |
| D. | 180<sup>0</sup> in the direction opposite to the rotation of the link containing the path |
| Answer» D. 180<sup>0</sup> in the direction opposite to the rotation of the link containing the path | |
| 6. |
What_is_the_direction_of_the_coriolis_component_of_acceleration_in_a_slotted_lever-crank_mechanism?$ |
| A. | Along the sliding velocity vector |
| B. | Along the direction of the crank |
| C. | Along a line rotated 90<sup>0</sup> from the sliding velocity vector in a direction opposite to the angular velocity of the slotted lever |
| D. | Along a line rotated 90<sup>0</sup> from the sliding velocity in a direction same as that of the angular velocity of the slotted lever. |
| Answer» E. | |
| 7. |
Exact straight line motion mechanis? |
| A. | hart’s mechanism |
| B. | pantograph |
| C. | grasshopper mechanism |
| D. | none of the mentioned |
| Answer» B. pantograph | |
| 8. |
Approximate straight line motion consisting of one sliding pair |
| A. | hart’s mechanism |
| B. | pantograph |
| C. | grasshopper mechanism |
| D. | peaucellier’s mechanism |
| Answer» D. peaucellier‚Äö√Ñ√∂‚àö√ë‚àö¬•s mechanism | |
| 9. |
A straight line mechanism made up of turning pairs |
| A. | hart’s mechanism |
| B. | pantograph |
| C. | grasshopper mechanism |
| D. | none of the mentioned |
| Answer» B. pantograph | |
| 10. |
A body in motion will be subjected to coriolis acceleration when that body is |
| A. | in plane rotation with variable velocity |
| B. | in plane translation with variable velocity |
| C. | in plane motion which is a resultant of plane translation and rotation |
| D. | restrained to rotate while sliding over another body |
| Answer» E. | |
| 11. |
A slider sliding at 10 cm/s on a link which is rotating at 60 r.p.m. is subjected to Coriolis acceleration of magnitude |
| A. | 40–ø<sup>2</sup> cm/s<sup>2</sup> |
| B. | 0.4–øcm/s<sup>2</sup> |
| C. | 40–øcm/s<sup>2</sup> |
| D. | 4–øcm/s<sup>2</sup> |
| Answer» D. 4‚Äö√Ñ√¨‚àö‚àècm/s<sup>2</sup> | |
| 12. |
If the relative motion between two links of a mechanism is pure sliding, then the relative instantaneous center for these two links does not exist. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Coriolis component of acceleration is a component of translatory acceleration. |
| A. | True |
| B. | False |
| Answer» B. False | |