PLTW - IED Review Questions And Answers With Verified Solutions

Steps of the Design Process - Answer-1.Define Problem 2. Generate Concepts 3. Develop a Solution 4. Construct and Test Prototype 5. Evaluate Solution 6. Present Solution Rules for Brainstorming - Answer-1. No criticism allowed 2. Work for Quantity 3. Welcome piling-on 4. Allow free-for-all Mate - Answer-Constraints two faces, edges, points, or axes together. Flush - Answer-Constraints two faces or work features together. Insert - Answer-Constraints a cylinder flush into a hole. Tangent - Answer-Constraints a curved surface to a plane or another curved surface. Angle - Answer-Constraints two faces or edges at an angle to one another. Degrees of Freedom - Answer-A component floating in space has six degrees of freedom. Prototype - Answer-A Working model of the actual design.Mock-Up - Answer-An appearance model used to present the general concept of a design. Loft - Answer-Creates a transitional shape between two or more sketches. Sweep - Answer-Sweeps one or more sketch profiles along a selected path to create a feature or body. Hole - Answer-Creates holes based on sketch points or other geometric selections. Shell - Answer-Removes material from a part interior, creating a hollow cavity with walls of a specified thickness. Chamfer - Answer-Applies a bevel to one or more component edges. Fillet - Answer-Adds fillets or rounds to one or more edges or faces. Revolve - Answer-Creates a feature or body by revolving one or more sketched profiles about an axis. Circular Pattern - Answer-Creates duplicates features, solids, or bodies and arranges them in an arc or circular pattern. Rectangular Pattern - Answer-Creates duplicates features, or solids and arranges them in rows and columns, or along a path. Mirror - Answer-Makes a mirrored copy of one or more features, or the entire solid, at equal distances across a plane. Coincident - Answer-A point is constrained to lie on another point or curve. Collinear - Answer-2 selected lines will line up along a single line.Concentric - Answer-Arcs and/or circles will share the same center point. Fix - Answer-Applying a fixed point or points will prevent the selected sketch entitles from moving. Parallel - Answer-Lines will be parallel to one another. Perpendicular - Answer-Lines will be at 90 degree angles to one another. Horizontal - Answer-Causes lines to lie parallel to the X-axis. Vertical - Answer-Causes lines to lie parallel to the Y-axis. Tangent - Answer-An arc, circle, or line will become tangent to another arc or circle. Smooth - Answer-Applies a curvature continuous condition to the spline. Equal - Answer-Constrains selected lines to the same length and selected circles or arcs to the same radius. Surface Area and Volume for: Cylinder - Answer-SA=(2*π*r*h)+(2*π*r²) V= π*r²*h Surface Area and Volume for: Rectangular Prism - Answer-SA=2(wd+wh+dh) V=wdh Surface Area and Volume for: Triangular Prism - Answer-SA=wh+lw+lh+ls V=1/2(lwh) Area for: Ellipse - Answer-A=πabArea for: Triangle - Answer-A=1/2bh Area for: Rectangle - Answer-A=ab Visual Design Principals - Answer-1. Balance 2. Emphasis 3. Contrast 4. Rhythm 5. Proportion 6. Unity 7. Economy