MCQOPTIONS
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				| 1. | 
                                    When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than$? | 
                            
| A. | 0.25 | 
| B. | 0.5 | 
| C. | 1 | 
| D. | 2 | 
| Answer» E. | |