Which of these results in higher pre-ignition temperatures that help ignite fuel faster for longer burn time and more complete combustion?
A)Lower cetane fuel"
B)Lower compression ratios"
C)Pre-chambers
D)Preheating intake air"

Question

Quizplus · Accepted Answer

Preheating intake air increases the temperature of the air entering the cylinder, which in turn increases the pre-ignition temperature and helps ignite fuel faster for longer burn time and more complete combustion.

Which of These Results in Higher Pre-Ignition Temperatures That Help