![]() ![]() (b) State four functions of a hydraulic system accumulator. (4 marks)ġ3 (a) With aid of a labelled schematic diagram, explain the functions of each component of a basic hydraulic system. (10 marks)ĭescribe the four forces which act on a propeller during flight. (i)ğront elevation in the direction of arrow F.ġ2 (a) With aid of a labelled sketch describe the three aircraft propeller blade angles during flight. (a)ĝraw Full Size the following views in third angle projection: in the spaces providedġ1.ğigure 1 shows an aircraft locking bracket drawn in isometric projection. (b) State two advantages for each method in 6(a).ħ With the aid of a sketch, describe the three aircraft axes.ĨĞxplain the operation of each of the following jet engine components:ĩ Highlight the information given to the aircrew by the air traffic controller.ġ0 Sketch the symbols for each of the following:Īnswer any four questions from this section. (2 marks)ĥ (a) Using sketches, explain the operation of each of the following pneumatic system valves:Ħ (a) Name four joining methods used in aircraft construction. (b)ĝifferentiate between eddy current and ultra-sonic methods of non destructive testing.Ĥĝistinguish between the following as applied in airport operations: (1 mark)ģ (a) Highlight two functions for each of the following aircraft structural members: (b)Ğxplain why aluminium alloy is preferred for use in aircraft construction. (1 mark)Ģ (a) State the use of each of the following types of rivets used in aircraft construction: (b) Two safety precautions when working on aircraft electrical system. (a)ğour safety precautions when using electrical equipment. ![]()
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