Aviation Paper 1 Questions - Maranda High School Mock Exams 2023

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Instructions to Candidates

  • Candidates should have the following material for this examination:
    1. Drawing paper
    2. Drawing instruments
  • This paper consists of two sections A and B
  •  Answer ALL questions in section A and any FOUR questions in section B.
  • Question 14 should be answered on A3 paper provided
  •  All dimensions are in millimeters unless otherwise stated
  • Candidates should not spend more than 15 minutes on question 14.

  SECTION A (44 Marks)

  1. List two precautions to be observed when :
    1. Starting an aircraft engine. (2 marks)
    2. Charging aircraft pneumatic system (2 marks)
  2. State two roles of the following personnel in Aviation industry
    1. Chief purser (1 mark)
    2. Airline agent (1 mark)
    1. Explain the term:
      1. Environmental lapse rate.(1mark)
      2. Describe how a standard hygrometer works with the aid of a well labeled diagram.(4 marks) 
    2. Using labeled sketches explain Bernoulli’s principle and state how it’s related to aircraft in flight. (3 marks)
    1. List two types of airspaces under area category. (2 marks)
    2. Explain how the following will limit Aviation personnel’s performance:
      1. Language barrier (1 mark)
      2. Human machine interface (1 mark)
    1. State three advantages of synthetic rubber over natural rubber as applied to aircraft construction. (1 mark)
    2. Differentiate between the following:
      1. Strength and magnetism (2 marks)
      2. Toughness and elasticity (2 marks)\
    1. Explain how the following features affect lateral stability
      1. Sweep back wing. (1 ½ marks)
      2. Dihedral angle. (1 ½ marks)
    2. Using sketches explain how velocity affects lift and drag coefficient on an ideal aero foil. (3 marks)

  7. Highlight TWO effects of cumulonimbus clouds formation to the aircraft in flight. (2marks)
    1. Sketch the following aircraft hardware and state their function.
      1. Turnbuckle (1 ½ marks)
      2. Torque tube (1 ½ marks)
    2. Using well labeled sketches shows the structural members of an aircraft main plane.(2 marks)
    3. Give the symbol of the following as applied in aircraft related drawing: (2marks)
      1. Machined surface.
      2. Long breaks
      3. Serrated shaft
      4. Internal threads
    1. Outline four basic methods of compressing the working fluid before heat addition in aircraft engines.
    2. With the aid of sketches illustrate how airport runways are designated. (2 marks)
    1. State Newtons second law of motion (2 marks)
    2. By use of sketches illustrate three types of intakes of gas turbine engine. (4 ½ marks)
    3. Explain the operation of turbofan gas turbine engine using pressure volume diagram.(5 ½ marks)
    4. Differentiate the construction of a centrifugal flow and axial flow compression by use of sketches. (2 marks)
    1. Differentiate between controllability and maneuverability as applied in aircraft stability. (2 marks)
    2. List three components of instruments landing system. (3 marks)
    3. With the aid of a well labeled diagram explain the valve timing chart. (6 mark)
    4. List three modes of induction in aero piston engine. (3 marks)
    1. Describe the flow regimes as applied in the theory of flight with aid of sketches.(4 marks)
    2. Describe red dye penetrant method of non-destructive testing. (3 marks)
    3. Identify the suitable non-destructive testing method to be applied on the following aircraft parts: (2 marks)
      1. Turbine blade
      2. Split bearing 
    4. Name two types of maintenance applied on aircraft. (2 marks)
    1. List three checks done on magnetic compass prior to engine start. (3 marks)
    2. Name three navigational aids used on aircraft. (3 marks)
    3. Explain color markings on aircraft instrument. (4marks)
    4. Explain the following types of efficiencies as applied in aero piston engine; (4marks)
      1. Volumetric efficiency
      2. Thermal efficiency
      3. Mechanical efficiency
      4. Propulsive efficiency
  14. The figure below shows an isometric drawing of an aircraft hinge bracket.in good proportion present the following views on the paper provided in first angle projection.
    1. Plan
    2. Front view
    3. End view (14 marks)
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