Engine: Retired questions · General Subjects

1. A Incompatible fuels, if allowed to mix, have a tendency to form sludge, and therefore must not be blended.
2. B Incompatible fuels, if allowed to mix, have a tendency to separate out from one another, and therefore must be vigorously blended.
3. C Incompatible fuels, if allowed to mix, have a tendency to form sludge, and therefore must be vigorously blended.
4. D Incompatible fuels, if allowed to mix, have a tendency to separate out from one another, and therefore must not be blended.

Tip: press A-D to answer