Exam BPL Gas - Balloon Pilot License 10 Questions no time limit

1 - In case of radio communication failure within a CTR (control zone), the pilot has to ...
2 - A distance of 7.5 cm on an aeronautical chart represents a distance of 60.745 NM in reality. What is the chart scale?
3 - What can be expected for the prevailing wind with isobars on a surface weather chart showing large distances?
4 - A vertical speed indicator connected to a too big equalizing tank results in...
5 - At equilibrium the inner overpressure of a free balloon is highest at:
6 - Which characteristic is important when choosing sunglasses used by pilots?
7 - During buildup of a gas balloon, sacks with sand are hooked up. The end of the hooks should be directed ...
8 - Before buildup, the buildup team has to be informed about correct behaviour at sudden critical situations how?
9 - What is the meaning of an area marked as "TMZ"?
10 - What does the abbreviation "FIS" stand for?