What are baffles in a tank vehicle?
a.External supports that hold the tank in place
b.Internal walls with holes that allow liquid to flow through but reduce surge
c.Devices that measure the amount of liquid in the tank
d.Valves used to load and unload the tank
Explanation
Baffles are internal walls inside a tank that have holes (openings) at the top and bottom to allow liquid to flow through. They help reduce the forward-and-back surge of liquid but do not prevent side-to-side surge.