MCQOPTIONS
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MCQOPTIONS
This section includes 2 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 speed of an engine varies from 210 rad/s to 190 rad/s. During the cycle the change in kinetic energy is found to be 400 Nm. The inertia of the flywheel in kg/m2 is |
| A. | 0.10 |
| B. | 0.20 |
| C. | 0.30 |
| D. | 0.40 |
| Answer» B. 0.20 | |
| 2. |
The flywheel of a machine having weight of 4500 N and radius of gyration of 2 m has cyclic fluctuation of speed from 125 r.p.m to 120 r.p.m. Assuming g = 10m/s2, the maximum fluctuation of energy is |
| A. | 12822 N-m |
| B. | 24200 N-m |
| C. | 14822 N-m |
| D. | 12100 N-m |
| Answer» E. | |