Test 10 Questions PPL(A) - Private Pilot License - Aircraft General Knowledge, no time limit

1 - What is the purpose of engine oil in piston engine?
2 - The thickness of the wing is defined as the distance between the lower and the upper side of the wing at the...
3 - What kind of hydraulic oil is used in aeroplane systems today?
4 - When trimming an aircraft nose up, in which direction does the trim tab move?
5 - An aircraft cruises on a heading of 180° with a true airspeed of 100 kt. The wind comes from 180° with 30 kt. Neglecting instrument and position errors, which will be the approximate reading of the airspeed indicator?
6 - The altimeter's reference scale is set to airfield pressure (QFE). What indication is shown during the flight?
7 - What is the major task of a carburettor?
8 - A gyro which is rotating in space responds to forces being applied to it by an evasive movement...
9 - Where does the condensation water converge in the tank?
10 - Which of the instruments listed below obtain their readings through pressure measurement?