MCQOPTIONS
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MCQOPTIONS
This section includes 19 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 locus of which axis is known as axode? |
| A. | Instantaneous axis |
| B. | Relative axis |
| C. | Instantaneous centrode |
| D. | Relative centrode |
| Answer» B. Relative axis | |
| 2. |
A line drawn through an instantaneous centre and perpendicular to the plane of motion is called __________ |
| A. | Instantaneous axis |
| B. | Relative axis |
| C. | Instantaneous centrode |
| D. | Relative centrode |
| Answer» B. Relative axis | |
| 3. |
Locus of all instantaneous centres is known as centrode. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The locus of the instantaneous centre relative to the body itself is called the _________ |
| A. | Space centrode |
| B. | Body centrode |
| C. | Link centrode |
| D. | Mechanism centrode |
| Answer» C. Link centrode | |
| 5. |
The locus of the instantaneous centre in space during a definite motion of the body is called the _________ |
| A. | Space centrode |
| B. | Body centrode |
| C. | Link centrode |
| D. | Mechanism centrode |
| Answer» B. Body centrode | |
| 6. |
In the figure given below A and D are fixed points, link AB rotates at a uniform angular velocity of 900 rev/min ccw, find angular velocity of CDin rad/s.Rab = 100mm, Bc = 450, distance of E from BC = 100mm, Cf= 75mm, CD = 275mm, AD =250mm, perpendicular DF = 17mm, perpendicular BE = 250mm. |
| A. | 48.37 |
| B. | 48.77 |
| C. | 49.47 |
| D. | 45.37 |
| Answer» D. 45.37 | |
| 7. |
In the figure given below A and D are fixed points, link AB rotates at a uniform angular velocity of 900 rev/min ccw, find angular velocity of BC in rad/s.Rab = 100mm, Bc = 450, distance of E from BC = 100mm, Cf= 75mm, CD = 275mm, AD =250mm, perpendicular DF = 17mm, perpendicular BE = 250mm. |
| A. | 28.3 |
| B. | 2 8.7 |
| C. | 29.4 |
| D. | 25.3 |
| Answer» E. | |
| 8. |
In the figure given below A and D are fixed points, link AB rotates at a uniform angular velocity of 900 rev/min ccw, find instantaneous velocity of point F in m/s.Rab = 100mm, Bc = 450, distance of E from BC = 100mm, Cf= 75mm, CD = 275mm, AD =250mm, perpendicular DF = 17mm, perpendicular BE = 250mm. |
| A. | 8.3 |
| B. | 8.7 |
| C. | 9.4 |
| D. | 7.6 |
| Answer» D. 7.6 | |
| 9. |
Velocity of a point B in a link can be calculated by using the relationVb = Va – Vba. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
In the figure given below A and D are fixed points, link AB rotates at a uniform angular velocity of 900 rev/min ccw, find the instantaneous velocity of point E in m/s.Rab = 100mm, Bc = 450, distance of E from BC = 100mm, Cf = 75mm, CD = 275mm, AD = 250mm, perpendicular DF = 17mm, perpendicular BE = 250mm. |
| A. | 8.3 |
| B. | 8.7 |
| C. | 9 |
| D. | 7.6 |
| Answer» B. 8.7 | |
| 11. |
The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism because$ |
| A. | whole of the mechanism in the Ackerman steering gear is on the back of the front wheels |
| B. | the Ackerman steering gear consists of turning pairs |
| C. | the Ackerman steering gear is most economical |
| D. | both a and b |
| Answer» E. | |
| 12. |
The condition for correct steering of a Davis steering i? |
| A. | sinα = b/c |
| B. | cosα = c/b |
| C. | tanα = c/2b |
| D. | cotα = c/2b |
| Answer» D. cot‚âà√≠¬¨¬± = c/2b | |
| 13. |
The fundamental equation for correct steering is |
| A. | sinɸ + sinα = b/c |
| B. | cosɸ – sinα = c/b |
| C. | cotɸ – cotα = c/b |
| D. | tanɸ + cotα = b/c |
| Answer» D. tan‚Äö√Ѭ∂‚Äö√†√® + cot‚âà√≠¬¨¬± = b/c | |
| 14. |
Which of the following mechanism is an approximate straight line motion mechanism? |
| A. | Watt’s mechanism |
| B. | Grasshopper mechanism |
| C. | Robert’s mechanism |
| D. | All of the mentioned |
| Answer» E. | |
| 15. |
An exact straight line motion mechanism is a |
| A. | Scott-Russell’s mechanism |
| B. | Hart’s mechanism |
| C. | Peaucellier’s mechanism |
| D. | All of the mentioned |
| Answer» E. | |
| 16. |
Scott Russel’s mechanism is made up of sliding pair.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Which of the following mechanism is made up of turning pairs? |
| A. | Scott Russel’s mechanism |
| B. | Peaucellier’s mechanism |
| C. | Hart’s mechanism |
| D. | All of the mentioned |
| Answer» C. Hart‚Äö√Ñ√∂‚àö√ë‚àö¬•s mechanism | |
| 18. |
In a pantograph, all the pairs are |
| A. | turning pairs |
| B. | sliding pairs |
| C. | spherical pairs |
| D. | self-closed pairs |
| Answer» B. sliding pairs | |
| 19. |
The coriolis component of acceleration exists whenever a point moves along a path that has |
| A. | linear displacement |
| B. | rotational motion |
| C. | gravitational acceleration |
| D. | tangential acceleration |
| Answer» C. gravitational acceleration | |