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Unit 1 Vocabulary
Intro to Engineering Design
| Question | Answer |
|---|---|
| A tangible artifact produced by means of either human or mechanical work, or by biological or chemical process | Product |
| A place where an engineer will formally document, in chronological order, all of his/her work that is associated with a specific design project. | engineering book |
| A means of judging. A standard, rule, or test by which something can be judged | criteria |
| A person who designs any of a variety of things. This usually implies the task of creating drawings or in some ways uses visual cues to organize his or her work. | designer |
| A process that repeats a series of steps over and over until the desired outcome is obtained. | iterative |
| A part of a design brief that challenges the designer, describes what a design solution should do without describing how to solve the problem, and identifies the degree to which the solution must be executed. | design statement |
| A systematic problem-solving strategy, with criteria and constraints, used to develop many possible solutions to solve or satisfy human needs or wants and to narrow down the possible solutions to one final choice is defined as __________________ | design process |
| Making the best or most effective use of resources to get the best possible solution is called_____________ | optimization |
| A written plan that identifies a problem to be solved, its criteria, and its constraints. It is used to encourage thinking of all aspects of a problem before attempting a solution. | design brief |
| A technique for solving problems, generating ideas, and stimulating creative thinking. | brainstorming |
| A limit to a design process. It may be such things as appearance, funding, space, materials, and human capabilities. | constraint |
| A full-scale working model used to test a design concept by making actual observations and necessary adjustments is called ______________ | prototype |
| A person who is trained in and uses technological and scientific knowledge to solve practical problems is known as an _______________ | engineer |
| A graphical representation of an idea that can quickly communicate design intent and details is called __________ | concept sketch |
| A method of representing three-dimensional objects on a plane having only length and breadth. Also referred to as right angle projection is called an ____________ | orthographic projection |
| The degree of closeness of measurements of a quantity to the actual (or accepted) value. is referred as_________ | accuracy |
| 1. Something established by authority, custom, or general consent as a model or example is called...or 2. Something set up and established by authority as a rule for the measure of quantity, weight, extent, value, or quality. | standard |
| A simple measure of variation in a set of random variables. It is the difference between the biggest and smallest random variable, is known as ________ | range |
| A 70 pound weight is place on a bathroom scale and the scale reports a weight of 70 pounds. This is an indication of the __________________________of the scale | accuracy |
| A 70 pound weight is placed on a bathroom scale five times. Each time the scale displays a weight of 67 pounds. Is this scale indicating a higher degree of accuracy or of precision? | precision |
| The mental representation and manipulation of two- and three-dimensional objects is called | spatial visualization |
| A form of pictorial representation or graphical model in which all dimensions parallel to the three principal spatial axes are shown in their true proportions is called | isometric view |
| A solid modeling technique where geometry is subtracted from existing model geometry. | subtractive modeling |
| A solid modeling technique where geometry is added to existing model geometry. | additive modeling |
| A strategy in which geometry is defined in such a way that changes produce desired, predictable results. | design intent |
| A drawing which contains views of an object projected onto two or more orthographic planes. | multiview drawing |
| Lightly drawn line to guide drawing other lines and shapes. | construction line |
| A heavy solid line used on a drawing to represent the outline. | object line |
| A heavy dashed line that represents an edge that is not directly visible. | hidden line |
| A line that defines the center of arcs, circles, or symmetrical parts. It is half as thick as an object line. | center line |
| It shows the location of a hole, cylinder, or other round features on a drawing as a pair of perpendicular lines that cross at the center of a feature. | center mark |
| A process that uses a computer to assist in designing something, such as a part, circuit, or building. | CAD computer-aided design |
| The result of taking away or removing characteristics from something in order to reduce it to a set of essential characteristics is known as___________ | abstraction |
| 3D modeling where geometry is created with association to other geometry. | parametric modeling |
| A visual representation of an idea. It can be a sketch, concept map, schematic, flow chart, or any other visual representation, is called _______________ | conceptual modeling |
| A representation of a real-world situation or system using mathematical concepts and language is called _______________ | mathematical modeling |
| Lack of consistency or fixed pattern; liability to vary or change. | variability |
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