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Home > Exam Questions > BPL Hot Air - Balloon Pilot License > Aircraft General Knowledge > Why should a liquid gas bottle only be filled to 80% of its volume?

81 - Hot Air Balloon Exam Prep - Why should a liquid gas bottle only be filled to 80% of its volume?

Question 81 - Aircraft General Knowledge - BPL Hot Air - Balloon Pilot License

Because temperature would get too high

Because it would get too heavy otherwise

To provide space for temperature-induced expansion

To provide space for expansion in case of external cooling

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