Test 10 Questions EASA PPL(A) - Private Pilot License - Communication, no time limit

1 - What does a cloud coverage of "SCT" mean in a METAR weather report?
2 - What is the meaning of the phrase "Roger"?
3 - How often shall a blind transmission be made?
4 - What is the correct way of establishing radio communication between D-EAZF and Dusseldorf Tower?
5 - What phrase is used by a pilot if a transmission is to be answered with "yes"?
6 - Which altitude is displayed on the altimeter when set to a specific QFE?
7 - What is the call sign of the aerodrome control?
8 - In which situations should a pilot use blind transmissions?
9 - What is the approximate speed of electromagnetic wave propagation?
10 - What does a readability of 3 indicate?