MCQOPTIONS
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MCQOPTIONS
This section includes 18 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 moving on a fixed link having constant radius of curvature will have its instantaneous centre at the center of the circle. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
When a slider moves on a fixed link having ____________ their instantaneous center lies at infinity. |
| A. | straight surface |
| B. | curved surface |
| C. | oval surface |
| D. | none of the mentioned |
| Answer» B. curved surface | |
| 3. |
The two links are said to have a pure rolling contact, when their instantaneous centre __________ on their point of contact. |
| A. | lies |
| B. | does not lie |
| Answer» B. does not lie | |
| 4. |
When two links are connected by a pin joint, their instantaneous centre lies |
| A. | on their point of contact |
| B. | at the centre of curvature |
| C. | at the centre of circle |
| D. | at the pin joint |
| Answer» E. | |
| 5. |
According to Kennedy’s theorem, if three bodies move relatively to each other, their instantaneous centres will lie on |
| A. | straight line |
| B. | parabolic curve |
| C. | triangle |
| D. | rectangle |
| Answer» B. parabolic curve | |
| 6. |
THE_TWO_LINKS_ARE_SAID_TO_HAVE_A_PURE_ROLLING_CONTACT,_WHEN_THEIR_INSTANTANEOUS_CENTRE____________ON_THEIR_POINT_OF_CONTACT.?$ |
| A. | lies |
| B. | does not lie |
| Answer» B. does not lie | |
| 7. |
When a slider moves on a fixed link having curved surface, their instantaneous centre lies$ |
| A. | on their point of contact |
| B. | at the centre of curvature |
| C. | at the centre of circle |
| D. | at the pin joint |
| Answer» C. at the centre of circle | |
| 8. |
When_a_slider_moves_on_a_fixed_link_having______________their_instantaneous_center_lies_at_infinity.$ |
| A. | straight surface |
| B. | curved surface |
| C. | oval surface |
| D. | none of the mentioned |
| Answer» B. curved surface | |
| 9. |
The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at |
| A. | the centre of the disc |
| B. | the point of contact |
| C. | an infinite distance on the plane surface |
| D. | the point on the circumference situated vertically opposite to the contact point |
| Answer» C. an infinite distance on the plane surface | |
| 10. |
A_slider_moving_on_a_fixed_link_having_constant_radius_of_curvature_will_have_its_instantaneous_centre_at_the_center_of_the_circle. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
When two links are connected by a pin joint, their instantaneous centre lie? |
| A. | on their point of contact |
| B. | at the centre of curvature |
| C. | at the centre of circle |
| D. | at the pin joint |
| Answer» E. | |
| 12. |
The instantaneous centres which vary with the configuration of mechanism, are called |
| A. | permanent instantaneous centres |
| B. | fixed instantaneous centres |
| C. | neither fixed nor permanent instantaneous centres |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 13. |
The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
In a mechanism, the fixed instantaneous centres are those centres which |
| A. | remain in the same place for all configurations of the mechanism |
| B. | vary with the configuration of the mechanism |
| C. | moves as the mechanism moves, but joints are of permanent nature |
| D. | none of the mentioned |
| Answer» B. vary with the configuration of the mechanism | |
| 15. |
The magnitude of velocities of the points on a rigid link is |
| A. | directly proportional to the distance from the points to the instantaneous centre and is parallel to the line joining the point to the instantaneous centre. |
| B. | directly proportional to the distance from the points to the instantaneous centre and is perpendicular to the line joining the point to the instantaneous centre. |
| C. | inversely proportional to the distance from the points to the instantaneous centre and is parallel to the line joining the point to the instantaneous centre. |
| D. | inversely proportional to the distance from the points to the instantaneous centre and is perpendicular to the line joining the point to the instantaneous centre. |
| Answer» E. | |
| 16. |
Which of the following property of the instantaneous center is correct? |
| A. | A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered. |
| B. | The two rigid links have no linear velocity relative to each other at the instantaneous centre. |
| C. | The velocity of the instantaneous centre relative to any third link is same whether the instantaneous centre is regarded as a point on the first link or on the second rigid link. |
| D. | all of the mentioned |
| Answer» E. | |
| 17. |
According to Kennedy’s theorem, if three bodies move relatively to each other, their instantaneous centres will lie on$ |
| A. | straight line |
| B. | parabolic curve |
| C. | triangle |
| D. | rectangle |
| Answer» B. parabolic curve | |
| 18. |
The total number of instantaneous centres for a mechanism consisting of n links are |
| A. | n/2 |
| B. | n |
| C. | n-1 |
| D. | n(n-1)/2 |
| Answer» E. | |