Question id 412 - Principles of Flight (Balloon) - Quiz BPL Gas - Balloon Pilot License

During climb, the carrying gas warms due to thermal exchange with environmental air
During descent, the carrying gas warms adiabatically
During descent, the carrying gas warms due to thermal exchange with environmental air
During climb, the carrying gas warms adiabatically

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