MCQOPTIONS
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MCQOPTIONS
| 1. |
A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is |
| A. | 4WD²n/d4N |
| B. | 4W²Dn/d4N |
| C. | 4W²D3n/d4N |
| D. | 4W²D3n²/d4N |
| Answer» D. 4W¬¨‚â§D3n¬¨‚â§/d4N | |