Test 10 Questions Quiz BPL Gas - Balloon Pilot License, no time limit

1 - The ratio between air pressures at different heights is referred to as:
2 - How many satellites are necessary for a precise and verified three-dimensional determination of the position?
3 - Given the following masses: Empty mass 260 kg Instruments 20 kg per gas container (full): 30 kg per person: 80 kg Assuming ISA temperatures, how many persons may be carried in the basket at maximum, if the balloon with 4 gas containers has to climb up to pressure altitude 9.000 ft ? (use attachment ECQB-PPL_BPL001) Siehe Anlage 1
question ECQB-PPL_BPL001.webp
4 - When air masses meet each other head on, how is this referred to and what air movements will follow?
5 - Which approximate, geometrical form describes the shape of the Earth best for navigation systems?
6 - What is the mass of a "cube of air" with the edges 1 m long, at MSL according ISA?
7 - An aerodrome beacon (ABN) is a...
8 - According ISA, what is the density of air at MSL?
9 - Which transponder code should be set during a radio failure without any request?
10 - In which situations should a pilot use blind transmissions?