McqMate
| Q. |
For the best utilization of fuel, in the engine cylinder, the air supply should be |
| A. | About 10% surplus |
| B. | 15 to 20 percent deficient |
| C. | About 25% surplus |
| D. | 5 to 10 percent deficient |
| E. | Chemically correct |
| Answer» A. About 10% surplus | |
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