The knocking tendency in spark ignition engines may be decreased by Options: A . &nbspControlling the air-fuel mixture B . &nbspControlling the ignition timing C . &nbspControlling the exhaust temperature D . &nbspReducing the compression ratio

The knocking tendency in spark ignition engines may be decreased by

Question

The knocking tendency in spark ignition engines may be decreased by

Options:

A . Controlling the air-fuel mixture

B . Controlling the ignition timing

C . Controlling the exhaust temperature

D . Reducing the compression ratio

Answer: Option D

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