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Home ‣ Technical Drawing ‣ Threads, Fasteners and Springs Comments
  • Question

  • ANSI has established three classes of fit.


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • Threads, Fasteners and Springs problems

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    • 1. Keys can be used to prevent movement between shafts and wheels.

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    • A. True
    • B. False
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    • 2. Tap drill depth does not include the cone point of the drill.

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    • A. True
    • B. False
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    • 3. A machine pin is a mechanical device designed to store energy when deflected and to return the equivalent amount of energy when released.

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    • A. True
    • B. False
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    • 4. Springs may be classified as either helical springs or flat springs.

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    • A. True
    • B. False
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    • 5. A torsion spring is a type of helical spring.

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    • A. True
    • B. False
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    • 6. A screw thread is a ridge of uniform section in the form of a helix on the external or internal surface of a cylinder.

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    • A. True
    • B. False
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    • 7. The axis of a screw is the longitudinal centerline through the screw.

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    • A. True
    • B. False
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    • 8. A Class 3 fit is exceptionally high quality and recommended only when high cost of precision is warranted.

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    • A. True
    • B. False
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    • 9. The root is the top surface joining the two sides of a thread.

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    • A. True
    • B. False
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    • 10. Thread length, finish, and proportions are some of the standard characteristics of bolts and nuts.

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    • A. True
    • B. False
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