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402 - Gas Balloon Pilot Exam BPL - What effect can sudden insolation from sunlight have on a gas balloon?

Question 402 - Principles of Flight (Balloon) - Exam BPL Gas - Balloon Pilot License

The height at maximum differential pressure decreases
The height at maximum differential pressure increases
The hull pressure decreases
A sudden increase in rate of descent

This is 1 of over 20 exam questions on Principles of Flight (Balloon)

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Training tests and timed exam simulations Exam BPL Gas - Balloon Pilot License