Q108
The ignition of the charge by some hot surface within the engine before the passage of spark is called
A.
Pre-ignition
AnswerB.
Detonation
C.
Ignition delay
D.
Auto-ignition
Answer: Option A
Solution
Answer: Option A
Solution:
The ignition of the charge by some hot surface within the engine before the passage of spark is called Pre-ignition.
Pre-ignition is a situation in which the fuel-air mixture in a spark ignition engine ignites before the timed spark, because of contact with a hot surface.