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Question #80297

Mechanical Engineering

In petrol engines, advancing the spark timing will_______________?

Options:

A) increase the knocking tendency

B) decrease the knocking tendency

C) not affect the knocking tendncy

D) increase or decrease knocking tendency depending on strenght and time of spark

E) E. unpredictable

Answer: In petrol engines, advancing the spark timing will increase the knocking tendency.

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