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EN Principles of Flight (Balloon) - BPL Gas Balloon Pilot Licence
Questions Principles of Flight (Balloon) - BPL Gas Balloon Theory Practice
The vertical extent of air with pressure changing by 1% with 80 m difference in height is referred to as ...
What statement is correct with regard to the density of a gas?
How do volume, density and temperature change when a gas is being compressed?
With pressure and temperature given, any gas being heavier or lighter than air depends on what?
How does a gas react when released from a pressurized container?
In a given height, a given amount of ballast is unloaded from a gas balloon. How is the increase in height at 5500 m different from the increase in height at MSL by unloading the same amount of ballast?
At which height the load carrying capability of a gas balloon is reduced by approximately 50% compared to MSL?
Aerostatic lift, amongst other factors, depends on...
What can solar heating of the lifting gas do to the pressure ceiling of a gas balloon before gas is released?
A fully inflated gas balloon is in level equilibrium. Its mass is reduced by 1% and it rises to a new equilibrium while releasing gas. In a simplified model where a 1% pressure decrease corresponds to 80 m of height, what is the approximate change in equilibrium altitude?
