Benzene
Iso-octane
Normal heptane
Alcohol
fuel pump
fuel injector
spark plug
none of these
Agree
Disagree
1 to 40%
10 to 50%
1 to 80%
1 to 99%
one revolution of the crankshaft
two revolutions of the crankshaft
three revolutions of the crankshaft
four revolutions of the crankshaft