When a tank is filled to 100 percent capacity, there is no room inside the tank for the gas or liquid to _________________. No tank can ever be more than 100 percent full. This is why actual propane trucks are never filled to 100 percent.

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Sorry, that wasn’t correct. When a tank is filled to 100 percent capacity, there is no room inside the tank for the gas or liquid to expand.

Yes! When a tank is filled to 100 percent capacity, there is no room inside the tank for the gas or liquid to expand.