Aviation Maintenance Quiz
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Questions and Answers

What is a relight?

  • The initiation of the after burning system.
  • The action of turning off the engine mid-flight.
  • What occurs when the engine drain valve is stuck.
  • The action of restarting a flamed out engine usually while airborne. (correct)

    • Which statement about CG limits is correct?

  • FWD CG limit is set to ensure a minimum degree static longitudinal stability.
  • AFT CG limit is set to ensure a minimum degree static longitudinal stability. (correct)
  • Both AFT and FWD CG limits are set to ensure a minimum degree of controllability under the worst circumstances.
  • AFT CG limit is set to ensure a minimum degree of controllability under the worst circumstances.

    • What are swept back and Delta wings known for?

  • Highly efficient at all speeds.
  • Very efficient at high speed but corresponding inefficient at low speeds. (correct)
  • Neither efficient at low or high speed.
  • Fairly inefficient at high speed but very efficient at low speed.

    • What is the function of Shut off valve in a pneumatic system?

    <p>To switch off bleed air supply from an engine and the APU. (B)</p> Signup and view all the answers

    5

    <p>Sudden increase in lift (D)</p> Signup and view all the answers

    In level flight, if the aircraft is performing a manoeuvre such that, twice the weight, the load factor will be:

    <p>2.0 (C)</p> Signup and view all the answers

    Study Notes

    Relight

    • A relight refers to the process of igniting the combustion chambers of an aircraft engine after it has been shut down.
    • It is crucial for restarting engines during flight, particularly after surges or shutdowns.

    CG Limits

    • CG, or Center of Gravity, limits are crucial for maintaining aircraft stability and control.
    • Correct statement: CG limits define the acceptable range within which the center of gravity must lie to ensure safe flight operations; exceeding these limits can lead to compromised flight performance.

    Swept Back and Delta Wings

    • Swept back wings are characterized by their angled design, improving high-speed performance and delaying airflow separation.
    • Delta wings have a triangular shape and are known for their excellent stability, control at high speeds, and ability to maintain structural integrity at high angles of attack.

    Shut Off Valve in a Pneumatic System

    • The shut-off valve controls the flow of compressed air within a pneumatic system.
    • Its primary function is to isolate or shut off the air supply to specific components, enhancing system safety and maintenance efficiency.

    Load Factor in Level Flight

    • In level flight, the load factor is defined as the ratio of lift to weight.
    • If the aircraft experiences maneuvers resulting in twice its weight, the load factor will increase twofold to correspond with the increased aerodynamic forces required for that maneuver.

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    Test your knowledge of aviation maintenance with these important questions related to relighting engines and aircraft center of gravity limits.

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