 
			 
			MCQOPTIONS
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				| 1. | The equation for slip speed is ____________$ | 
| A. | (ω-ω<sub>r</sub>)/ω | 
| B. | ω-ω<sub>r</sub> | 
| C. | (ω<sub>r</sub>-ω)/ω | 
| D. | ω<sub>r</sub> | 
| Answer» C. (‚âà√¨‚àö¬¢<sub>r</sub>-‚âà√¨‚àö¬¢)/‚âà√¨‚àö¬¢ | |