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Concept
Knocking
Knocking, often referred to as '
engine knocking
' or 'pinging', is a phenomenon in
internal combustion engines
where
fuel-air mixture
ignites prematurely, causing a
sharp knocking noise
and potential
engine damage
. It is typically caused by
high temperatures
and pressures in the
combustion chamber
, and can be mitigated by using
higher octane fuel
or adjusting
ignition timing
.
Relevant Degrees
Machine Elements 80%
Acoustics and Sound Waves 20%
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