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MCQOPTIONS
This section includes 8 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 angle between the axes of two shafts connected by Hooke s joint is 18 . Determine the angle turned through by the driving shaft when the velocity ratio is maximum. |
| A. | 90 |
| B. | 180 |
| C. | 270 |
| D. | 360 |
| Answer» C. 270 | |
| 2. |
Two shafts with an included angle of 160 are connected by a Hooke s joint. The driving shaft runs at a uniform speed of 1500 r.p.m. The driven shaft carries a flywheel of mass 12 kg and 100 mm radius of gyration. Find the maximum angular acceleration of the driven shaft. |
| A. | 3090 rad/s<sup>2</sup> |
| B. | 4090 rad/s<sup>2</sup> |
| C. | 5090 rad/s<sup>2</sup> |
| D. | 6090 rad/s<sup>2</sup> |
| Answer» B. 4090 rad/s<sup>2</sup> | |
| 3. |
Two shafts connected by a Hooke s joint have an angle of 18 degrees between the axes.Find the angle through which it should be turned to get the velocity ratio equal to 1. |
| A. | 30.6 |
| B. | 30.3 |
| C. | 44.3 |
| D. | 91.2 |
| Answer» D. 91.2 | |
| 4. |
Two shafts connected by a Hooke s joint have an angle of 18 degrees between the axes.Find the angle through which it should be turned to get the velocity ratio maximum. |
| A. | 180 |
| B. | 30 |
| C. | 45 |
| D. | 90 |
| Answer» B. 30 | |
| 5. |
Two shafts having an included angle of 150 are connected by a Hooke s joint. The driving shaft runs at a uniform speed of 1500 r.p.m. The driven shaft carries a flywheel of mass 12 kg and 100 mm radius of gyration. Using the above data, calculate the maximum torque required in N-m. |
| A. | 822 |
| B. | 888 |
| C. | 890 |
| D. | 867 |
| Answer» B. 888 | |
| 6. |
Two shafts having an included angle of 150 are connected by a Hooke s joint. The driving shaft runs at a uniform speed of 1500 r.p.m. The driven shaft carries a flywheel of mass 12 kg and 100 mm radius of gyration. Using the above data, calculate the maximum angular acceleration of the driven shaft in rad/s2. |
| A. | 6853 |
| B. | 6090 |
| C. | 6100 |
| D. | 6500 |
| Answer» B. 6090 | |
| 7. |
Double hooke s joint can be used to keep the angular velocity of the shaft constant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
What is the purpose of double hooke s joint? |
| A. | Have constant linear velocity ratio of driver and driven shafts |
| B. | Have constant acceleration ratio of driver and driven shafts |
| C. | Have constant angular velocity ratio of driver and driven shafts |
| D. | Have constant angular acceleration ratio of driver and driven shafts |
| Answer» D. Have constant angular acceleration ratio of driver and driven shafts | |