Summary

• Description:

  The PDF document comprises KALA Joint Trials Aviation Technology Paper 1 2025 Mock Exam with Marking Scheme.

  It is a KCSE Aviation Technology Paper 1 (450/1) KALA Trial Examination (July 2025).

  • Duration: 2 hrs 30 min
  • Total Marks: 100
  • Number of Questions: 15 (Section A: Questions 1–10; Section B: Questions 11–15)
  • Marking Scheme: The marking scheme is in a different document.

  The paper consists of Section A and Section B. Candidates attempt all questions in Section A and answer any four questions in Section B.

  It covers the following topics:

  • Aircraft electrical systems safety (precautions when working on aircraft electrical systems)
  • Propeller theory (forces acting on a rotating propeller; propeller blade angles; fine pitch vs coarse pitch)
  • Aerodynamics (lift curve sketch; symmetrical vs cambered aerofoils; lift and drag calculations using coefficients)
  • Aviation regulation in Kenya (functions of the Kenya Airports Authority - KAA)
  • Ground handling and safety (precautions when towing an aircraft from the hangar)
  • Aircraft materials and fasteners (why aluminium alloys are preferred; methods of locking bolts and nuts)
  • Aircraft stability (types of dynamic stability; features contributing to lateral stability)
  • Air navigation basics (change in latitude calculations in minutes)
  • Aircraft piston engines (crankshaft parts; P–V diagram for engine operating cycle)
  • Lubrication systems (wet sump vs dry sump lubrication)
  • Fuel systems (reasons for venting aircraft fuel tanks)
  • Gas turbine engines (piston vs gas turbine operation differences; construction and operation of a high bypass gas turbine engine)
  • Flight instruments (construction of an airspeed indicator)
  • Technical drawing (orthographic projection: drawing given views of an aircraft door bracket in 1st angle projection with major dimensions)
  • Air transport industry in Kenya (advantages, disadvantages, and challenges)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  AVIATION TECHNOLOGY

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