MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The tractive force is maximum or minimum when the angle of inclination of the crank to the line of stroke ( ) is equal to |
| A. | 90 and 225 |
| B. | 135 and 180 |
| C. | 180 and 225 |
| D. | 135 and 315 |
| Answer» E. | |
| 2. |
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke ( ) is equal to |
| A. | 45 and 135 |
| B. | 90 and 135 |
| C. | 135 and 225 |
| D. | 45 and 225 |
| Answer» E. | |
| 3. |
If c be the fraction of the reciprocating parts of mass m to be balanced per cyclinder of a steam locomotive with crank radius r, angular speed , distance between centre lines of two cylinders a, then the magnitude of the maximum swaying couple is given by |
| A. | 1 c / 2 mr <sup>2</sup>a |
| B. | 1 c / 2mr <sup>2</sup>a |
| C. | 2(1 c)mr <sup>2</sup>a |
| D. | none of the mentioned |
| Answer» C. 2(1 c)mr <sup>2</sup>a | |