IED Unit 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are physical properties and why are they important to the design of a product? | The material it is made of, its mass, density, etc
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| What advantage do Computer Aided Design and Drafting (CAD) provide over traditional paper and pencil design? | The advantage of CAD is that it is easily modified, and reproducible. Usually faster to produce. Can be looked at in 3 dimensions and seen at different angles
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| How does the material chosen for a product impact the design of the product? | It determines the products weight and density, its durability, etc.
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| What advantages do CAD sketches have over freehand sketches? | It is usually faster to produce and more accurate. Can be looked at in 3 dimensions and seen at different angles
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| How is a geometric constraint different from a numeric constraint in the inventor program? | Geometric constraint "bonds" two geometric parts (surfaces, edges, centers) together (i.e., mate, flush). A numeric constraint is a measurement or distance and constrains an object to be a certain length.
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| Acute Triangle | A triangle that contains only angles that are less than 90 degrees.
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| Center of Gravity | A 3D point where the total weight of the body may be considered to be concentrated.
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| Centroid | A 3D point defining the geometric center of a solid
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| Tangent | A straight or curved line that intersects a circle or an arc at one and only one point.
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| Circumscribe | A triangle located round a polygon such as a circle. To draw a figure around another, touching it at points but not cutting it.
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| Principal Axes | The lines of intersection created from three mutually perpendicular planes, with the three planes' point of intersection at the centroid of the part.
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| Density | The measure of mass density is a measure of mass per volume
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| Volume | The amount of three-dimensional space occupied by an object or enclosed within a container.
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| Inscribe | A shape drawn inside a circle. To draw a figure within another so that their boundaries touch but do not intersect.
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| Obtuse Triangle | A triangle with one angle that is greater than 90 degrees.
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| Fillet | A curved surface formed at the interior intersection of two or more surfaces of an object
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| Right Triangle | A triangle that has a 90 degree angle.
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| What 3D CAD functions could be used to create a wire paper clip? | Spline
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| What feature would be used to create a 3D representation of a baseball or softball bat that was created on a wood lathe? | Revolve
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| What do you need to know in order to perform a physical property analysis? | What material it is made of and dimensions of the object.
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| Why is it important to perform a physical property analysis prior to producing a part? | In order to find the weight and density
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| Why is it important to understand the mathematics used in physical property analysis? | The Mathematics is important for you to determine the volume, density, mass, weight and size of the object you are developing.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
littleladylibby