Cargo tanks should never be completely full because:

Question

Liquids expand as they get warmer and drivers must allow extra space in a tank to accommodate this expansion. Different liquids expand to different degrees, so drivers must be aware of the outage requirements of the specific load they are carrying.

Accepted Answer

There needs to be room for the liquid to expand.

Answer

Regulations require three feet of clearance between the top of the liquid and the roof of the tank.

Answer

The tank would be too heavy.

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Cargo tanks should never be completely full because:

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