Question 689 Deck General

The correct answer is D) Solid (non-intercostal) bulkhead. A solid (non-intercostal) bulkhead provides the minimum required segregation between incompatible cargoes on a multiple-product tankship. This is because a solid bulkhead, as opposed to an empty tank or a tank containing a compatible third cargo, physically separates the incompatible products and prevents any potential mixing or cross-contamination. The other options, such as diagonally adjacent tanks or a tank containing a third compatible cargo, do not provide the same level of segregation as a solid bulkhead and would not meet the minimum requirements for stowing incompatible products on a tankship.