In spark ignition engines, the knocking tendency can be decreased by
A. decreasing compression ratio
B. controlling intake throttle
C. controlling ignition timing
D. adding dopes like tetraethyl lead and ethylene dibromide
Answer:A
In spark ignition engines, the knocking tendency can be decreased by
A. decreasing compression ratio B. controlling intake throttle C. controlling ignition timing D. adding dopes like tetraethyl lead and ethylene dibromide
Explanation: None.