fuels definitions

Question 1

octane number

Answer 1

the octane number is a tendancy of a fuel to resist knocking

Question 2

catalytic cracking

Answer 2

catalytic cracking is the breaking down of long chain hydrocarbon molecules by the action of heat and catalyst into short chain molecules for which there is a higher demand

Question 3

isomerisation

Answer 3

isomerisation involves changing straight chain alkanes into their isomers which will have branches using suitable catalysts

Question 4

dehydrocyclisation

Answer 4

dehydrocyclisation is a process in which straight chain alkanes are converted to cycloalkanes and then on to form aromatic compounds using suitable catalysts