Question 21 of 30
Bottom washing:
is done to remove traces of the previous cargo
will remove heavy wax sediments at the tank bottom
is not effective when carrying a small quantity of refined products
cannot be done with chemical solvents
Answer & Explanation
The correct answer is Option A: is done to remove traces of the previous cargo.
Bottom washing is a specific tank cleaning procedure focused on the lowest part of the tank to remove sediment and traces of the previous cargo, particularly important when switching to a different cargo grade.