 
			 
			MCQOPTIONS
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				| 1. | Expansion ratio is the ratio of | 
| A. | swept volume to the volume at cut-off | 
| B. | volume at cut-off to the swept volume | 
| C. | swept volume to the clearance volume | 
| D. | clearance volume to the swept volume | 
| Answer» B. volume at cut-off to the swept volume | |