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

1 - The stretch-out of the envelope of a hot-air balloon should be made:
2 - What distance corresponds to one degree difference in latitude along any degree of longitude?
3 - Vienna (LOWW) is located at 016° 34'E, Salzburg (LOWS) at 013° 00'E. The latitude of both positions can be considered as equal. What is the difference of sunrise and sunset times, expressed in UTC, between Wien and Salzburg?
4 - Wake turbulence is particularly strong...
5 - The rotational axis of the Earth runs through the...
6 - Which of the stated surfaces will reduce the wind speed most due to ground friction?
7 - What is the call sign of the flight information service?
8 - What has to be done in case the balloon shows a strong tendency to climb while crossing thermals?
9 - What effect has the elevation above MSL of an airfield on the carrying force and maximum take-off mass of a balloon?
10 - Which are the properties of a Mercator chart?