What is the key difference between a bulkhead and a baffle in a liquid tank, as described in the AAMVA CDL Manual?

Question

Accepted Answer

A bulkhead divides the tank into separate smaller tanks, while a baffle has holes that let liquid flow through to help control surge

Answer

A bulkhead and a baffle are two names for the exact same structure with no functional difference

Answer

A baffle completely blocks liquid flow between compartments, while a bulkhead allows free flow

Answer

A bulkhead is used only in hazardous materials tankers, while a baffle is used only in food-grade tankers