MCQOPTIONS
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				| 1. | 
                                    _The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is$? | 
                            
| A. | μ π³ N² R² /1800 t | 
| B. | μ π³ N² R⁴ /1800 t | 
| C. | μ π³ N² R² /3600 t | 
| D. | μ π³ N² R⁴ /3600 t | 
| Answer» C. ≈í¬∫ ≈ì√Ѭ¨‚â• N¬¨‚â§ R¬¨‚â§ /3600 t | |