The knocking in spark ignition engines can be reduced by Options: A . &nbspretarding the spark B . &nbspincreasing the engine speed C . &nbspboth (a) and (b) D . &nbspnone of these

The knocking in spark ignition engines can be reduced by

Question - The knocking in spark ignition engines can be reduced by

Options:

A . retarding the spark

B . increasing the engine speed

C . both (a) and (b)

D . none of these

Answer: Option C
Answer: (c).both (a) and (b)

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