MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics Questions and Answers 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/s2 |
| B. | 4090 rad/s2 |
| C. | 5090 rad/s2 |
| D. | 6090 rad/s2 |
| Answer» B. 4090 rad/s2 | |
| 3. |
Two shafts connected by a Hooke’s joint have an angle of 18 degrees between the axes. |
| A. | Find the angle through which it should be turned to get the velocity ratio maximum. |
| B. | 180 |
| C. | 30 |
| D. | 45 |
| E. | 90 |
| Answer» B. 180 | |
| 4. |
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 | |
| 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 angular acceleration of the driven shaft in rad/s2. |
| A. | 6853 |
| B. | 6090 |
| C. | 6100 |
| D. | 6500 |
| Answer» B. 6090 | |
| 6. |
Double hooke’s joint can be used to keep the angular velocity of the shaft constant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
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 | |