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Questions and Answers

The pattern for an inclusion is a magnetic particle buildup forming

  • a fern like pattern.
  • parallel lines. (correct)
  • a single line.
  • The main purpose of magnetic particle inspection is to identify

  • flaws on or near the surface. (correct)
  • distortion.
  • deep subsurface flaws.
  • In magnetic particle inspection, a part will be categorized as having a fatigue crack under what circumstance?

  • The discontinuity pattern is straight.
  • The discontinuity is found in a highly stressed area of the part (correct)
  • The discontinuity is found in a non-stressed area of the part.
  • Which materials among the following can be examined using the magnetic particle inspection technique?

    <p>Iron Alloys</p> Signup and view all the answers

    Which of the following materials may be inspected using the magnetic particle inspection method? 1.Copper alloys. 2.Zinc alloys. 3.Aluminum alloys. 4.Magnesium alloys. 5.Iron alloys.

    <p>5</p> Signup and view all the answers

    In magnetic particle inspection, a defect that runs at a right angle to the lines of the magnetic field typically results in

    <p>a large disruption in the magnetic field.</p> Signup and view all the answers

    During the examination of an item using the magnetic particle inspection technique, both circular and longitudinal magnetization should be applied to...

    <p>reveal all possible defects.</p> Signup and view all the answers

    What types of defects can be identified through the application of circular magnetization on a component?

    <p>Defects parallel to the long axis of the part.</p> Signup and view all the answers

    What flaws can be identified through the use of continuous longitudinal magnetization using a cable when inspecting a component?

    <p>Defects perpendicular to the long axis of the part.</p> Signup and view all the answers

    Which statement about the residual magnetizing inspection technique is correct?

    <p>It may be used with steels which have been heat treated for stressed applications.</p> Signup and view all the answers

    After conducting magnetic particle inspection, a method to demagnetize a component involves

    <p>slowly moving the part out of an ac magnetic field of sufficient strength.</p> Signup and view all the answers

    In magnetic particle inspection, the testing substance commonly employs a ferromagnetic material that possesses what characteristic?

    <p>high permeability and low retentivity.</p> Signup and view all the answers

    For X-ray exposure, how many of these factors are regarded as fundamental knowledge? 1.Processing of the film. 2.Material thickness and density. 3.Exposure distance and angle. 4.Film characteristics.

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

    Which of the provided techniques could be appropriate for identifying surface-open cracks in aluminum forgings and castings? 1.Visual inspection. 2.Eddy current inspection. 3.Dye penetrant inspection. 4.Metallic ring (coin tap) inspection. 5.Ultrasonic inspection. 6.Magnetic particle inspection.

    <p>1, 2, 3, 5</p> Signup and view all the answers

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