MCQOPTIONS
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MCQOPTIONS
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. |
Which of the following are examples of forced closed kinematic pairs?1. Cam and roller mechanism2. Door closing mechanism3. Slider crank mechanism4. Automotive clutch operating mechanismSelect the correct answer using the codes given below: |
| A. | 1,2 and 4 |
| B. | 1 and 3 |
| C. | 2,3 and 4 |
| D. | 1,2,3 and 4 |
| Answer» D. 1,2,3 and 4 | |
| 2. |
f = 3 (n – 1) – 2j. In the Gruebler’s equation for planer mechanisms given, j is the |
| A. | Number of mobile links |
| B. | Number of links |
| C. | Number of lower pairs |
| D. | Length of the longest link |
| Answer» D. Length of the longest link | |
| 3. |
Slider crank chain is an inversion of the four bar mechanism. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Match list I with list II List I List IIA. Sliding pair 1. A road roller rolling over the groundB. Revolute pair 2. Crank shaft in a journal bearing in an engineC. Rolling pair 3. Ball and socket jointD. Spherical pair 4. Piston and cylinder 5. Nut and screw |
| A. | A-5,B-2,C-4,D-3 |
| B. | A-4,B-3,C-1,D-2 |
| C. | A-5,B-3,C-4,D-2 |
| D. | A-4,B-2,C-1,D-3View Answer |
| Answer» E. | |
| 5. |
The instantaneous centre of rotation of a rigid thin disc rolling without slip on a plane rigid surface is located at |
| A. | the centre of the disc |
| B. | an infinite distance perpendicular to the plane surface |
| C. | the point of contact |
| D. | the point on the circumference situated vertically opposite to the contact point |
| Answer» B. an infinite distance perpendicular to the plane surface | |
| 6. |
Consider the following statements regarding motions in machines:1. Tangential acceleration is a function of angular velocity and the radial acceleration is a function of angular acceleration.2. The resultant acceleration of a point A with respect to a point B on a rotating link is perpendicular to AB.3. The direction of the relative velocity of a point A with respect to a point B on a rotating link is perpendicular. Which of these statements is/are correct?a) 1 aloneb) 2 and 3c) 1 and 2d) 3 aloneView Answer 3.The speed of driving shaft of a Hooke’s Joint of angle 19.50 is 500 r.p.m. The maximum speed of the driven shaft is nearly |
| A. | 1 aloneb) 2 and 3c) 1 and 2d) 3 aloneView Answer 3.The speed of driving shaft of a Hooke’s Joint of angle 19.50 is 500 r.p.m. The maximum speed of the driven shaft is nearlya) 168 r.p.m. |
| B. | 2 and 3c) 1 and 2d) 3 aloneView Answer 3.The speed of driving shaft of a Hooke’s Joint of angle 19.50 is 500 r.p.m. The maximum speed of the driven shaft is nearlya) 168 r.p.m.b) 444 r.p.m. |
| C. | 1 and 2d) 3 aloneView Answer 3.The speed of driving shaft of a Hooke’s Joint of angle 19.50 is 500 r.p.m. The maximum speed of the driven shaft is nearlya) 168 r.p.m.b) 444 r.p.m.c) 471 r.p.m. |
| D. | 3 aloneView Answer 3.The speed of driving shaft of a Hooke’s Joint of angle 19.50 is 500 r.p.m. The maximum speed of the driven shaft is nearlya) 168 r.p.m.b) 444 r.p.m.c) 471 r.p.m.d) 531 r.p.m.View Answer |
| Answer» E. | |
| 7. |
Match list I with list II |
| A. | A-1,B-4,C-3,D-2 |
| B. | A-1,B-2,C-3,D-4 |
| C. | A-3,B-4,C-1,D-2 |
| D. | A-3,B-2,C-1,D-4View Answer |
| Answer» D. A-3,B-2,C-1,D-4View Answer | |
| 8. |
The instantaneous centre of rotation of a rigid thin disc rolling without slip on a plane rigid surface is located a? |
| A. | the centre of the disc |
| B. | an infinite distance perpendicular to the plane surface |
| C. | the point of contact |
| D. | the point on the circumference situated vertically opposite to the contact point |
| Answer» D. the point on the circumference situated vertically opposite to the contact point | |
| 9. |
In a shaper machine, the mechanism for tool feed is |
| A. | Geneva mechanism |
| B. | Whitworth mechanism |
| C. | Ratchet and Pawl mechanism |
| D. | Ward Leonard system |
| Answer» B. Whitworth mechanism | |
| 10. |
In a slider crank mechanism. the maximum acceleration of slider is obtained when the crank is |
| A. | at the inner dead centre position |
| B. | at the outer dead centre position |
| C. | exactly midway position between the two dead centres |
| D. | slightly in advance of the midway position between the two dead centres |
| Answer» E. | |
| 11. |
The speed of driving shaft of a Hooke’s Joint of angle 19.50 is 500 r.p.m. The maximum speed of the driven shaft is nearly$ |
| A. | 168 r.p.m. |
| B. | 444 r.p.m. |
| C. | 471 r.p.m. |
| D. | 531 r.p.m. |
| Answer» B. 444 r.p.m. | |