Engine: General Subjects

1. A The density of oil is less than that of water and as a result the oil droplets in an oily-water mixture will tend to rise.
2. B The density of oil is less than that of water and as a result the oil droplets in an oily-water mixture will tend to sink.
3. C The density of oil is greater than that of water and as a result the oil droplets in an oily-water mixture will tend to sink.
4. D The density of oil is greater than that of water and as a result the oil droplets in an oily-water mixture will tend to rise.

Tip: press A-D to answer