Which of the following may contribute to detonation?

A. A lean air/fuel ratio
B. A rich air/fuel ratio
C. A malfunctioning EGR system
D. Both A and C


Answer: D

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Mr. Allison has 895 acres of farmland. Eighty-eight percent of the farmland is planted in grain. Fifty-five percent of the grain planted is corn.

a. How many acres are in grain? b. How many acres are in corn?

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