 
			 
			MCQOPTIONS
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				| 1. | The ____________________ converts the compressed air energy into mechanical energy in the form of linear movement in one direction only? | 
| A. | Piston cylinders | 
| B. | Double acting cylinders | 
| C. | Single acting cylinders | 
| D. | Hydraulic pumps | 
| Answer» D. Hydraulic pumps | |