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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.

Read the first 7 Core Knowledge and Fundamentals flashcards as text

  1. Which type of measurement tool provides the most precise reading for small internal diameters?

    Answer: Inside micrometer

    An inside micrometer is specifically designed to measure small internal diameters with high precision.

  2. In a technical drawing, a hidden line is represented by which line type?

    Answer: Dashed line

    Hidden lines are represented by dashed lines in technical drawings to show edges or surfaces not visible from the current view.

  3. What is the primary purpose of a Material Safety Data Sheet (MSDS/SDS)?

    Answer: To provide hazard and safe handling information for chemicals

    An SDS provides critical information about chemical hazards, safe handling, storage, and emergency procedures.

  4. Which of the following best describes the concept of tolerance in manufacturing?

    Answer: The acceptable range of variation in a dimension

    Tolerance defines the permissible range of variation from a nominal dimension, allowing for practical manufacturing limits.

  5. When using Ohm's Law, if voltage is 12V and resistance is 4 ohms, what is the current?

    Answer: 3 amps

    Using Ohm's Law: I = V/R = 12V ÷ 4Ω = 3 amps.

  6. Which workplace safety practice is most critical when working with rotating machinery?

    Answer: Securing loose clothing, hair, and jewelry

    Loose items can become entangled in rotating machinery, causing severe injury or death.

  7. What does the acronym PPE stand for in workplace safety?

    Answer: Personal Protective Equipment

    PPE stands for Personal Protective Equipment, which includes items like gloves, safety glasses, and hard hats.

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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