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Home > Exam Questions > BPL Gas Balloon Pilot Licence > Principles of Flight (Balloon) > In a simplified gas-balloon model, how does ascent below the pressure ceiling differ from ascent above it?

415 - EASA BPL Gas Balloon Theory in English - In a simplified gas-balloon model, how does ascent below the pressure ceiling differ from ascent above it?

Question 415 - Principles of Flight (Balloon) - BPL Gas Balloon Pilot Licence

Below the pressure ceiling the balloon can climb indefinitely without becoming fully inflated

Above the pressure ceiling the envelope expands indefinitely without releasing gas

Below the pressure ceiling the lifting gas can expand; above it gas is released from the full envelope and lifting capacity decreases

Reaching the pressure ceiling has no effect on gas volume or lifting capacity

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