Engine 2014: Steam Plants

1. A The size ring dam used depends on the viscosity of the oil  being purified.
2. B While all ring dams have the same inside diameter, the outside diameters vary.
3. C Ring dams of larger sizes are indicated by smaller numbers.
4. D Satisfactory purification is obtained when the ring dam is the largest size possible, and no oil is present at the water discharge.

Tip: press A-D to answer