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Engineer words
| Question | Answer |
|---|---|
| Spatial visualization | The mental representation and manipulation of two- and three-dimensional objects |
| Isometric sketch | A form of pictorial sketch in which all dimensions parallel to the three principal spatial axes are shown in their true proportions |
| Scale | The relationship between a distance or area on a map and the corresponding distance or area on the ground, commonly expressed as a fraction or ratio |
| Orthographic projection | A method of representing three-dimensional objects on a plane having only length and breadth. It is also referred to as right-angle projection or orthographic view. |
| 3D modeling | The process of creating a solid model or three-dimensional object using a modeling and design application on a computer. It is also known as solid modeling. |
| Subtractive method | A solid modeling design method in which an object is created by subtracting volume from a larger object |
| Additive method | A solid modeling design method in which an object is created by adding volume to a smaller object |
| Design intent | A strategy in which geometry is defined in such a way that changes produce desired, predictable results |
| Multiview drawing | A drawing that contains views of an object projected onto two or more orthographic planes |
| Orthogonal | Intersecting or lying at right angles; perpendicular |
| Construction line | A lightly drawn line to guide drawing other lines and shapes |
| Object line | A heavy solid line used on a drawing to represent the outline of the object |
| Hidden line | A heavy dashed line that represents an edge that is not directly visible |
| Center line | A line that defines the center of arcs, circles, or symmetrical parts. A centerline is half as thick as an object line. |
| Center mark | A mark on a drawing that shows the location of a hole, cylinder, or other round feature as a pair of perpendicular lines that cross at the center of a feature |
| Annotation | An object that provides information about a feature, such as the length of a wall, the diameter of a fastener, or a detail callout. Annotation objects can include dimensions, notes, or other types of explanatory symbols. |
| Standard | 1. Something established by authority, custom, or general consent as a model or example; 2. Something set up and established by authority as a rule for the measure of quantity, weight, extent, value, or quality |
| Conceptual model | A visual representation of an idea. A conceptual model can be a sketch, concept map, schematic, flowchart, or any other visual representation. |
| Graphical model | A pictorial representation used to convey detailed information. In engineering, graphical models are created using standards of engineering graphics to document a design and are often referred to as technical drawings. |
| Mathematical model | A representation of a real-world situation or system using mathematical concepts and language |
| Prototype | A working model used to test a design concept by making observations and necessary adjustments |
| Computer-Aided Design (CAD) | A process that uses a computer to assist in designing something, such as a part, electrical circuit, or building |
| Abstraction | The process or result of taking away or removing characteristics from something to reduce it to a set of essential characteristics |
| Parametric modeling | 3D modeling in which geometry is created in association with other geometry |
| User interface | The means by which a person controls a software application or hardware device. Nearly all software programs have a graphical user interface (GUI), which includes graphical controls a user can select using a mouse or a keyboard. |
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