ATPL - Airline Transport Pilot license 10 Questions no time limit

1 - Read this description: 'After such a fine day, the ring around the moon was a bad sign yesterday evening for the weather today. And, sure enough, it is pouring down outside. The clouds are making an oppressively low ceiling of uniform grey; but at least it has become a little bit warmer.' Which of these weather phenomena is being described?
2 - An aircraft is following a true track of 048° at a constant TAS of 210 kt. The wind velocity is 350° / 30 kt. The GS and drift angle are:
3 - The fuel burn off is 200 kg/h with a relative fuel density of 0.8. If the relative density is 0.75, the fuel burn will be:
4 - According to current commercial air transport rules, on an IFR flight a commander shall not commence take-off unless the expected weather conditions at the destination and/or required alternate aerodrome(s) are at or above:
5 - The errors of a motor programme are:
6 - In the ATC flight plan Item 15 (Cruising speed), when not expressed as a Mach number, cruising speed is expressed as:
7 - When an aircraft has sustained damage, the aircraft shall be allowed to resume its flight, if
8 - Longitudinal separation minima based on time for aircraft at the same cruising level when navigation aids permit frequent determination of position and speed will be
9 - Supercooled droplets can be encountered
10 - What does the word 'Monitor' mean?