MCQOPTIONS
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| 1. |
Which of the following factors can control detonation in spark ignition engines?1. Increasing engine rpm2. Advancing spark timing3. Making fuel-air ratio very rich |
| A. | 1,2 and 3 |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1 and 3 only |
| Answer» E. | |