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CAD Software & Technology Applications 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 CAD Software & Technology Applications flashcards as text

  1. What is the DXF file format primarily used for in CAD workflows?

    Answer: Exchanging drawing data between different CAD applications

    DXF (Drawing Exchange Format) is an open ASCII or binary format developed by Autodesk to enable interoperability and data exchange between AutoCAD and other CAD programs.

  2. In solid modeling, what does the Boolean operation 'SUBTRACT' do?

    Answer: Removes the volume of one solid from another

    The SUBTRACT Boolean operation cuts one solid body from another, removing the intersecting volume of the tool body from the target body to create holes or recesses.

  3. What is the main advantage of using 'dynamic blocks' over standard blocks in AutoCAD?

    Answer: Dynamic blocks have built-in actions and parameters that allow them to change shape or size when inserted

    Dynamic blocks include parameters and actions that allow a single block to represent multiple configurations — for example, a door block that can be stretched to different widths or flipped to swing in any direction.

  4. Which coordinate entry method in AutoCAD specifies a point by distance and angle from the last point entered?

    Answer: Relative polar coordinates

    Relative polar coordinates use the format @distance<angle to specify a point a given distance from the previous point at a specified angle, ideal for drawing lines at precise angles.

  5. What is the purpose of 'model-based definition' (MBD) in modern CAD practice?

    Answer: Embedding all manufacturing and inspection data directly into the 3D CAD model instead of 2D drawings

    Model-Based Definition (MBD) places GD&T annotations, material callouts, and manufacturing notes directly on the 3D model, reducing or eliminating the need for traditional 2D engineering drawings.

  6. In CAD, what is the 'User Coordinate System' (UCS) used for?

    Answer: Defining a custom XYZ coordinate orientation to simplify drawing on angled or sloped surfaces

    The UCS allows drafters to reorient the X, Y, and Z axes to align with an angled face or plane, making it easier to draw and place objects on non-horizontal surfaces in 3D space.

  7. What is 'topology' in the context of 3D solid modeling?

    Answer: The mathematical structure describing how a model's faces, edges, and vertices are connected

    Topology in solid modeling refers to the relational structure — how faces, edges, and vertices are connected and bounded — which the CAD kernel uses to maintain a valid solid body.