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Core Knowledge and Fundamentals Flashcards

7 cards from real PRECISION practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the purpose of heat treatment in metalworking, specifically the process of annealing?

    Answer: To soften metal and relieve internal stresses

    Annealing involves heating metal to a specific temperature and slowly cooling it to soften the material and relieve internal stresses.

  2. Which of the following correctly describes a 'first angle' projection used in technical drawings?

    Answer: The object is projected onto planes behind and below it (European standard)

    In first angle projection (European standard), the object is placed between the viewer and the projection plane, projecting onto surfaces behind and below.

  3. What is the correct personal protective equipment when operating an angle grinder?

    Answer: Face shield, gloves, and hearing protection at minimum

    Angle grinders produce sparks, flying debris, and high noise levels, requiring a full face shield, gloves, and hearing protection at minimum.

  4. In carpentry and construction, what does '16 inches on center' (16" O.C.) mean?

    Answer: The distance from the center of one stud to the center of the next is 16 inches

    'On center' spacing means the measurement is taken from the centerline of one member to the centerline of the adjacent member.

  5. What is the key advantage of using a torque wrench when fastening bolts in critical applications?

    Answer: It ensures the correct clamping force is applied without over- or under-tightening

    A torque wrench applies a precise, measurable rotational force ensuring fasteners are tightened to the manufacturer's specification.

  6. Which type of lock washer is used to prevent a nut or bolt from loosening due to vibration?

    Answer: Split (helical spring) lock washer

    A split lock washer has a helical shape that bites into both the fastener and the surface, resisting loosening caused by vibration.

  7. In the context of career and technical education, what does 'CTSO' stand for?

    Answer: Career and Technical Student Organization

    CTSO stands for Career and Technical Student Organization, groups like HOSA, SkillsUSA, and FFA that support CTE students.

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Sources & references

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  1. youscience.com — Passing score, test delivery, eligibility · verified Oct 2026
  2. youscience.my.site.com — Retake policy, score release · verified Oct 2026