SPL - Sailplane Pilot License 10 Questions no time limit

1 - The circumference of the Earth at the equator is approximately... See figure (NAV-002)
question NAV-002.webp
2 - Which runway designators are correct for 2 parallel runways?
3 - During flight you have to solve a problem, how do you proceed?
4 - The drag coefficient...
5 - Which air traffic services can be expected within an FIR (flight information region)?
6 - Given: Ground speed (GS): 160 kt. True course (TC): 177°. Wind vector (W/WS): 140°/20 kt. The true heading (TH) equals...
7 - Which altitude marks the lower limit where the body is unable to completely compensate the effects of the low atmospheric pressure?
8 - A risk factor for decompression sickness is...
9 - Which of the following is NOT a risk factor for hypoxia?
10 - Pressure drag, interference drag and friction drag belong to the group of the...