Difference b/w octane and cetane number

Question

Accepted Answer

Octane number measures gasoline's resistance to knocking while cetane number measures diesel's ignition quality.

Octane number is important for gasoline engines while cetane number is important for diesel engines.
Higher octane number means gasoline is less likely to knock or detonate prematurely.
Higher cetane number means diesel fuel ignites more easily and burns more efficiently.
Octane number is measured using a test engine while cetane number is measured using a test rig.
Octane number ranges from 0 to 100 while cetane number ranges from 0 to 100.
Examples of high octane fuels include racing fuels and aviation gasoline while high cetane fuels include biodiesel and diesel fuel with additives.

Popular interview questions of Summer Intern