Community QuestionSeen on 8 CBTs

How is a portable tank different from a cargo tank?

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Answer

They are not permanently attached to a vehicle and they are loaded or unloaded while off of the vehicle. Portable tanks must also show the lessee or owner's name and they must display the shipping name of the contents on two opposing sides.

7 of 8 indexed CBT versions give this answer·Answer index rebuilt Aug 16, 2026

The indexed versions don't agree on this one

This question appears on 8 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.

7 of 8 versionsmost versions

They are not permanently attached to a vehicle and they are loaded or unloaded while off of the vehicle. Portable tanks must also show the lessee or owner's name and they must display the shipping name of the contents on two opposing sides.

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1 of 8 version

Cargo tanks are bulk packaging permanently attached to a vehicle. Cargo tanks remain on the vehicle when you load and unload them. Portable tanks are bulk packaging that are not permanently attached to a vehicle.

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