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PLTW - IED Unit 2 Key Terms With Complete Solution
Cabinet Pictorial - Oblique pictorial where the depth is portrayed as half scale comparedto the height and width scale.
Cavalier Pictorial - Oblique pictorial where the height and the width and the depth arefull scale.
Center Line - A line which locates the center of arcs, circles, or symmetrical parts. Construction Line - Lightly drawn lines to guide drawing other lines and shapes. Depth - Answer The measurement pertaining to an object's front-to-rear dimension orextent of something from side to side.
Dimension - Answer A measurable extent, such as the three principal dimensions of anobject is width, height, and depth.
Dimension Line - Answer A line which represents distance. Documentation - Answer 1. The documents that are required for something or that giveevidence or proof of something. 2. Drawings or printed information that contain instructions for assembling, installing, operating, and servicing. Drawing - Answer A formal graphical representation of an object containing informationbased on the drawing type.
Edge - Answer The line along which two surfaces of a solid meet.
Ellipse - A regular oval shape, traced by a point moving in a plane so that the sum of itsdistances from two other points is constant, or resulting when a cone is cut by an oblique plane which does not intersect the base. Extension Line - Line which represents where a dimension starts and stops. Freehand - Drawing that is done by hand without the use of drawing tools such asstraightedges.
Grid - A pattern of lines that intersect to create a set of squares or rectangles. Height - A measure applied to an object's vertical extent. Hidden Line- A line style which conveys an edge not directly viewed. Isometric Sketch Answer A pictorial sketch in which all three axes make equal angles of120 deg with the plane of projection.
Leader Line Answer Line which dimension arcs, circles and detail. Line - Answer 1. A long thin mark on a surface. 2. A continuous extent of length, straightor curved, without breadth or thickness; the trace of a moving point. 3. Long, narrow mark or band. Line Conventions - Answer Standardization of lines used on technical drawings by lineweight and style.
Line Weight - Answer Also called line width. The thickness of a line, characterized asthick or thin.
Profile - Answer An outline of an object as it would appear when viewed from one side. Projection Line - Answer An imaginary line by which the corners, edges and features ofa three dimensional object are located or projected upon an imaginary two dimensional surface. Projection Plane - Answer An imaginary plane between the object being projected andthe observer on which the perspective view of the object is projected and drawn.
Proportion - Answer 1. The relationship of one thing to another in size, amount, etc. 2.Size or weight relationships among structures or among elements in a single structure.
Scale - A stiff strip of straight-edged material marked at regular intervals used formeasuring distances. A proportion between two sets of dimensions used in developing accurate, larger or smaller prototypes or models. Section Lines - Thin lines which appear in a section view indicating where the cuttingplane line has cut through material.
Shading - Answer The representation of light and dark on a drawing or map. Short-Break Line - Answer Line that designates where a section is broken to displaydetail behind the section or to shorten a long unbroken section.
Shape - Answer A two-dimensional outline that delineates an object or area, as opposedto three-dimensional form.
Sketch - Answer A rough representation of the main features of an object or scene andoften made as a preliminary study.
Solid - Answer A three-dimensional body or geometric figure. Technical Working Drawing - Answer A drawing that is used to show the material, size,and shape of a product for manufacturing purposes.
Three-Dimensional - Answer Having the dimensions of height, width, and depth. Tone - Answer The general effect of color or of light and shade in a picture. Two-Dimensional - Answer Having the dimensions of height and width, height and depth,or width and depth only.
Vanishing Point - Answer A vanishing point is a point in space, usually located on thehorizon, where parallel edges of an object appear to converge.
View - See definition A colloquial term referring to the images of an object projectedonto two or more orthographic planes in a multiview drawing.
Width - See definition A measurement dimension describing the side to side dimensionof an object.
