Practice Test Geeks(CDT) Certified Drafting Technician Practice Test
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Materials & Equipment Knowledge Flashcards

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

Read the first 7 Materials & Equipment Knowledge flashcards as text

  1. What does the term 'tooth' refer to when describing a drafting surface?

    Answer: The slight texture that helps pencil graphite adhere to the surface

    Tooth refers to the microscopic texture of a drawing surface that mechanically grips graphite particles, affecting how well pencil marks adhere and how they erase.

  2. Which instrument is used to transfer a measurement from one location on a drawing to another without reading the numeric value?

    Answer: Dividers

    Dividers have two sharp points and are used to transfer distances directly between two locations without referencing a numeric measurement.

  3. In CAD drafting, what is the equivalent of a physical template used in manual drafting?

    Answer: Block or symbol library

    CAD blocks or symbol libraries serve the same purpose as physical templates — they provide pre-drawn standard symbols that can be inserted repeatedly.

  4. Which paper weight (in lb bond) is most commonly used for standard engineering drawing sheets?

    Answer: 20 lb

    20 lb bond paper is the standard weight for most engineering drawings, providing adequate durability without being unnecessarily heavy for reproduction.

  5. A flexible curve (french curve substitute) is best suited for drawing:

    Answer: Irregular curves that do not follow a fixed geometric formula

    Flexible curves can be bent to match any irregular curve shape, making them ideal for drawing non-geometric curves such as topographic contours or streamlined profiles.

  6. What is the purpose of drafting dots (small adhesive dots) in manual drafting?

    Answer: To temporarily attach drawings or overlays to the drafting board

    Drafting dots are repositionable adhesive circles used to lightly tack drawings or tracing paper to the board without tape damage or residue.

  7. Isometric drafting ellipse templates are available in different angles. Which angle represents an ellipse drawn on the top (horizontal) face of an isometric cube?

    Answer: 35°16'

    The ellipse representing a circle on the top face of an isometric drawing has a minor-to-major axis relationship corresponding to approximately 35°16' (often rounded to 35°).