Test 10 Questions bpl-gas, no time limit

1 - QFE is the...
2 - In which situations should a pilot use blind transmissions?
3 - How does the norm height of a gas balloon with maximum differential pressure change, when its mass is reduced by 1%?
4 - What information is provided in the part "AD" of the AIP?
5 - What clouds and weather may result from an humid and instable air mass, that is pushed against a chain of mountains by the predominant wind and forced to rise?
6 - The shortest distance between two points on Earth is represented by a part of...
7 - The standard state of gases refers to which temperature?
8 - Urgency messages are messages...
9 - What effect has the elevation above MSL of an airfield on the carrying force and maximum take-off mass of a balloon?
10 - How does the norm height of a gas balloon with maximum differential pressure change by dropping ballast?