MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 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. |
If E = Mean kinetic energy of the flywheel, CS = Coefficient of fluctuation of speed and Δ E = Maximum fluctuation of energy, then |
| A. | ΔE = E / CS |
| B. | ΔE = E2 × CS |
| C. | ΔE = E × CS |
| D. | ΔE = 2 E × CS |
| Answer» E. | |
| 2. |
IN_ORDER_TO_FIND_THE_MAXIMUM_BENDING_MOMENT_ON_THE_ARMS,_IT_IS_ASSUMED_AS_A?$ |
| A. | simply supported beam carrying a uniformly distributed load over the arm |
| B. | fixed at both ends (i.e. at the hub and at the free end of the rim) and carrying a uniformly distributed load over the arm. |
| C. | cantilever beam fixed at the hub and carrying a concentrated load at the free end of the rim |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
The diameter of the hub of the flywheel is usually taken$ |
| A. | equal to the diameter of the shaft |
| B. | twice the diameter of the shaft |
| C. | three times the diameter of the shaft |
| D. | four times the diameter of the shaft |
| Answer» C. three times the diameter of the shaft | |
| 4. |
The cross-section of the flywheel arms is usuall? |
| A. | elliptical |
| B. | rectangular |
| C. | I-section |
| D. | L-section |
| Answer» B. rectangular | |
| 5. |
The ratio of the maximum fluctuation of energy to the ___________ is called coefficient of fluctuation of energy. |
| A. | minimum fluctuation of energy |
| B. | workdone per cycle |
| C. | coefficient of fluctuation of energy |
| D. | none of the mentioned |
| Answer» C. coefficient of fluctuation of energy | |
| 6. |
The coefficient of fluctuation of speed is the _____________ of maximum fluctuation of speed and the mean speed. |
| A. | product |
| B. | ratio |
| C. | sum |
| D. | difference |
| Answer» C. sum | |