CASA Part 66: Spring Inspection and Testing
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Questions and Answers

How are inspection and testing of springs carried out?

  • According to the maintenance manual for the major assembly to which the spring belongs (correct)
  • According to the airline's maintenance procedures
  • According to the spring's material specifications
  • According to the spring's manufacturer instructions

    • What is measured during compression strength testing of a spring?

  • The spring's material strength
  • The force required to compress the spring to a specified height (correct)
  • The spring's elasticity
  • The length of the spring in the relaxed position

    • What is the purpose of measuring the free length of a spring?

  • To ensure the spring is not buckled or distorted (correct)
  • To check for compression strength
  • To check for distortion
  • To check for corrosion

    • What is the effect of spring distortion on a mechanism?

    <p>It affects the control the spring exercises</p> Signup and view all the answers

    What is used to identify a particular range of springs in some systems?

    <p>A coloured paint mark</p> Signup and view all the answers

    What should be done with a spring that fails inspection?

    <p>It should be replaced with a correctly identified part</p> Signup and view all the answers

    What concentrates stress and leads to a fracture in a spring?

    <p>Nick or scratch</p> Signup and view all the answers

    What can cause loss of tension or compression in a spring?

    <p>Overheating</p> Signup and view all the answers

    Why is spring steel vulnerable to corrosion?

    <p>Due to its natural properties</p> Signup and view all the answers

    What happens to the surface of a spring when it corrodes?

    <p>It deteriorates</p> Signup and view all the answers

    Why are protective surface treatments for springs easily damaged?

    <p>Because of the nature of spring steel</p> Signup and view all the answers

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