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MCQOPTIONS
This section includes 20 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. |
In a slider crank mechanism, the velocity of piston becomes maximum when |
| A. | Crank and connecting rod are in line with each other |
| B. | Crank is perpendicular to the line of stroke of the piston |
| C. | Crank and connecting rod are mutually perpendicular |
| D. | Crank is 1200 with the line of stroke |
| Answer» C. Crank and connecting rod are mutually perpendicular | |
| 2. |
When the pin connects one sliding member and the other turning member, the angular velocity of the sliding member is __________ |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 3. |
The velocity of the instantaneous centre relative to any third rigid link will be different. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A mechanism has 8 links, out of which 5 are binary, 2 are ternary and 1 is quaternary. The number of instantaneous centres of rotation will be |
| A. | 28 |
| B. | 56 |
| C. | 62 |
| D. | 66 |
| Answer» E. | |
| 5. |
The following list of statements is given:1) Grashoff’s rule states that for a planar crank-rocker 4-bar mechanism, the sum of the shortest and longest link lengths cannot be less than the sum of the remaining two link lengths.2) Inversions of a mechanism are created by fixing different links, one at a time.3) Geneva mechanism is an intermittent motion device.4) Grubler’s criterion assumes mobility of a planar mechanism to be one. The number of correct statements in the above list is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4View Answer |
| Answer» D. 4View Answer | |
| 6. |
The number of degree of freedom of a planer linkage with 8 links and 9 simple revolute joints is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 7. |
The number of binary links, number of binary joints and number of ternary joints in Peaucelliar mechanism is |
| A. | 6,6,0 |
| B. | 8,2,4 |
| C. | 8,4,2 |
| D. | 8,8,0 |
| Answer» C. 8,4,2 | |
| 8. |
Match list I with list II Type of joint Motion constrainedA. Revolute 1. ThreeB. Cylindrical 2. FiveC. Spherical 3. Four 4. Two 5. Zero |
| A. | A-1,B-3,C-2 |
| B. | A-5,B-4,C-3 |
| C. | A-2,B-3,C-1 |
| D. | A-4,B-5,C-3View Answer |
| Answer» D. A-4,B-5,C-3View Answer | |
| 9. |
Match list I with list II List I List IIA. Scott-Russel 1. Intemittent mechanism motionB. Geneva 2. Quick return mechanism motionC. Offset slider crank 3. Simple motion harmonic mechanismD. Scotch Yoke 4. Straight line mechanism motion |
| A. | A-2,B-3,C-1,D-4 |
| B. | A-3,B-2,C-4,D-1 |
| C. | A-4,B-1,C-2,D-3 |
| D. | A-4,B-3,C-1,D-2View Answer |
| Answer» D. A-4,B-3,C-1,D-2View Answer | |
| 10. |
Match list I with list II List I List IIA. Pantograph 1. Scotch yoke mechanismB. Single slider crank 2. Double lever mechanismC. Double slider crank chain 3. Tchebicheff’s mechanismD. Straight line motion mechanism 4. Double crank 5. Hand pump |
| A. | A-4,B-3,C-5,D-1 |
| B. | A-2,B-5,C-1,D-3 |
| C. | A-2,B-1,C-5,D-3 |
| D. | A-4,B-5,C-2,D-1 |
| Answer» C. A-2,B-1,C-5,D-3 | |
| 11. |
THE_FOLLOWING_LIST_OF_STATEMENTS_IS_GIVEN:?$ |
| A. | Grashoff’s rule states that for a planar crank-rocker 4-bar mechanism, the sum of the shortest and longest link lengths cannot be less than the sum of the remaining two link lengths. |
| B. | Inversions of a mechanism are created by fixing different links, one at a time. |
| C. | Geneva mechanism is an intermittent motion device. |
| D. | Grubler’s criterion assumes mobility of a planar mechanism to be one. |
| Answer» D. Grubler‚Äö√Ñ√∂‚àö√ë‚àö¬•s criterion assumes mobility of a planar mechanism to be one. | |
| 12. |
THE_NUMBER_OF_DEGREE_OF_FREEDOM_OF_A_PLANER_LINKAGE_WITH_8_LINKS_AND_9_SIMPLE_REVOLUTE_JOINTS_IS?$ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 13. |
A mechanism has 8 links, out of which 5 are binary, 2 are ternary and 1 is quaternary. The number of instantaneous centres of rotation will be$ |
| A. | 28 |
| B. | 56 |
| C. | 62 |
| D. | 66 |
| Answer» C. 62 | |
| 14. |
The magnitude of velocities of the points on a rigid link is directly proportional to the distances from the points to the instantaneous centre. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
A crank and slotted lever mechanism used in a shaper has a centre distance of 300 mm between the centre of oscillation of the slotted lever and the centre of rotation of the crank. The radius of the crank is 120 mm. Find the ratio of the time of cutting to the time of return stroke. |
| A. | 1.62 |
| B. | 1.72 |
| C. | 1.82 |
| D. | 1.92 |
| Answer» B. 1.72 | |
| 16. |
In a dynamically equivalent system, a uniformly distributed mass is divided into |
| A. | Three point masses |
| B. | Four point masses |
| C. | Two point masses |
| D. | Infinite point masses |
| Answer» C. Two point masses | |
| 17. |
The number of binary links, number of binary joints and number of ternary joints in Peaucelliar mechanism i? |
| A. | 6,6,0 |
| B. | 8,2,4 |
| C. | 8,4,2 |
| D. | 8,8,0 |
| Answer» D. 8,8,0 | |
| 18. |
When a cylinder is located in a Vee-block, the number of degrees of freedom which are arrested is |
| A. | 2 |
| B. | 4 |
| C. | 7 |
| D. | 8 |
| Answer» D. 8 | |
| 19. |
A-2,B-3,C-1,D-4 |
| A. | A-3,B-2,C-4,D-1 |
| B. | A-4,B-1,C-2,D-3 |
| C. | A-4,B-3,C-1,D-2 |
| Answer» C. A-4,B-3,C-1,D-2 | |
| 20. |
The quick return mechanism which is an inversion of 4-bar linkage is |
| A. | Drag link mechanism |
| B. | Whitworth quick return mechanism |
| C. | Crank and slotted lever mechanism |
| D. | None of the mentioned |
| Answer» B. Whitworth quick return mechanism | |