What is the identifying feature of dry bulk cargo tanks (hopper trailers)?

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Multiple Choice

What is the identifying feature of dry bulk cargo tanks (hopper trailers)?

Explanation:
Dry bulk cargo tanks, or hopper trailers, are identified by a V-shaped bottom that forms a hopper. This angled bottom funnels the material toward bottom discharge outlets, using gravity to unload quickly and almost completely. That hopper geometry is what gives these trailers their name and makes them ideal for bulk powders and grains. The other features aren’t defining for these tanks: a cylindrical drum is typical of liquid tanker trailers, not dry bulk hoppers; flat ends aren’t the characteristic unloading shape; and pleated filters aren’t part of how they carry or release dry bulk cargo.

Dry bulk cargo tanks, or hopper trailers, are identified by a V-shaped bottom that forms a hopper. This angled bottom funnels the material toward bottom discharge outlets, using gravity to unload quickly and almost completely. That hopper geometry is what gives these trailers their name and makes them ideal for bulk powders and grains. The other features aren’t defining for these tanks: a cylindrical drum is typical of liquid tanker trailers, not dry bulk hoppers; flat ends aren’t the characteristic unloading shape; and pleated filters aren’t part of how they carry or release dry bulk cargo.

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