MCQOPTIONS
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				| 1. | 
                                    Mechanical efficiency is the ratio of __________ | 
                            
| A. | Work output to fuel energy burnt in the engine | 
| B. | Power delivered to power available in the engine | 
| C. | Air fuel mixture drawn in the cylinder to the volume of the cylinder | 
| D. | Power available in the engine to power delivered | 
| Answer» C. Air fuel mixture drawn in the cylinder to the volume of the cylinder | |