MCQOPTIONS
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MCQOPTIONS
| 1. |
Knocking in SI engines will be less if |
| A. | delay period is less and flame speed is high. |
| B. | delay period is less and flame speed is less |
| C. | delay period is high and flame speed is high |
| D. | delay period is high and flame speed is less |
| Answer» D. delay period is high and flame speed is less | |