PLTW - IED Final Exam Questions with 100% Correct Answers | Verified | Updated 2024, Exams of Advanced Education

Download PLTW - IED Final Exam Questions with 100% Correct Answers | Verified | Updated 2024 and more Exams Advanced Education in PDF only on Docsity! PLTW - IED Final Exam Questions with 100% Correct Answers | Verified | Updated 2024 Innovation - Correct Answer-An improvement of an existing technological product, system, or method of doing something. Invention - Correct Answer-A new product, system, or process that has never existed before, created by study and experimentation. Design Brief - Correct Answer-A written plan that identifies a problem to be solved, its criteria, and its constraints. The design brief is used to encourage thinking of all aspects of a problem before attempting a solution. Design Process - Correct Answer-A systematic problem-solving strategy, with criteria and constraints, used to develop many possible solutions to solve a problem or satisfy human needs and wants and to winnow (narrow) down the possible solutions to one final choice. pg. 1 professoraxe l Construction Line - Correct Answer-Thin lines that serve as guides while sketching or drawing. Hidden Line - Correct Answer-A line type that represents an edge that is not directly visible, because it is behind or beneath another surface. Isometric Sketch - Correct Answer-A form of pictorial sketch in which all three drawing axes form equal angles of 120 degrees with the plane of projection. Multiview Drawings - Correct Answer-Views of an object projected onto two or more orthographic planes. Object Line - Correct Answer-A heavy solid line used on a drawing to represent the outline of an object. Oblique Sketch - Correct Answer-A type of sketch involving a combination of a flat, orthographic front with depth lines receding at a selected angle, usually 45 degrees. pg. 2 professoraxe l Median - Correct Answer-Referring to the middle term or mean of the middle two terms of a series of values arranged in order of magnitude. Mode - Correct Answer-The value that occurs most frequently in a given data set. Numeric Constraint - Correct Answer-A number value, or algebraic equation that is used to control the size or location of a geometric figure. Annotate - Correct Answer-To add explanatory notes to. Assembly Drawing - Correct Answer-A drawing that shows the various parts of an item when assembled. Geometric Constraint - Correct Answer-Constant, non- numerical relationships between the parts of a geometric figure. Examples include parallelism, perpendicularity, and concentricity. pg. 5 professoraxe l Mock-up - Correct Answer-Also referred to as an Appearance Model. A model or replica of a machine or structure for instructional or experimental purposes. Model - Correct Answer-A visual, mathematical, or three- dimensional representation in detail of an object or design, often smaller than the original. A model is often used to test ideas, make changes to a design, and to learn more about what would happen to a similar, real object. Prototype - Correct Answer-A full-scale working model used to test a design concept by making actual observations and necessary adjustments. Scale Model - Correct Answer-An enlarged or reduced representation of an object that is usually intended for study purposes. Counterbore - Correct Answer-A cylindrical recess around a hole, usually to receive a bolt head or nut. Countersink - Correct Answer-A conical-shaped recess around a hole, often used to receive a tapered screw. pg. 6 professoraxe l Revolution - Correct Answer-Creating a 3D solid or surface by revolving a 2D shape about an axis. Surface Area - Correct Answer-1. The sum of all the areas of all the faces or surfaces that enclose a solid. 2. The sum of all the areas of all surfaces of a solid. Tap - Correct Answer-To cut internal threads. Volume - Correct Answer-The amount of space occupied by a substance or object or enclosed within a container. Working Drawings - Correct Answer-Drawings that convey all of the information needed to manufacture and assemble a design. American Society of Mechanical Engineers (ASME) - Correct Answer-1. A professional engineering organization that is known for setting codes and standards for mechanical devices in the United States. ASME drawing standards are found in the Y-14M publications. 2. The acronym for the American Society of Mechanical Engineers. pg. 7 professoraxe l Sectional View - Correct Answer-A drawing that shows the interior of an object as it would appear if cut in half or quartered. Spotface - Correct Answer-A shallow recess like a counterbore, used to provide a good bearing surface for a fastener. Decision Matrix - Correct Answer-A tool for systematically ranking alternatives according to a set of criteria. Fluid Power - Correct Answer-Energy transmitted and controlled by means of a pressurized fluid, either liquid or gas. The term fluid power applies to both hydraulics and pneumatics. Hydraulics - Correct Answer-A type of fluid power that uses pressurized liquid, for example, oil or water. Pneumatics - Correct Answer-A type of fluid power that uses compressed air or other neutral gases. Aesthetic - Correct Answer-1. Concerned with beauty or the appreciation of beauty. 2. Of pleasing appearance. pg. 10 professoraxe l Mechanism - Correct Answer-An assembly of moving parts completing a complete functional motion. Reverse Engineering - Correct Answer-The process of taking something apart and analyzing its workings in detail, usually with the intention to understand function, prepare documentation, electronic data, or construct a new or improved device or program, without actually copying from the original. Ergonomics - Correct Answer-The study of workplace equipment design or how to arrange and design devices, machines, or workspace so that people and things interact safely and most efficiently. OSHA - Correct Answer-Occupation Safety and Health Administration: A government organization whose mission is to assure the safety and health of America's workers by setting and enforcing standards; providing training, outreach, and education; establishing partnerships; and encouraging continual improvement in workplace safety and health. pg. 11 professoraxe l Product lifecycle - Correct Answer-Stages a product goes through from concept and use to eventual withdrawal from the market place. Gantt Chart - Correct Answer-A time and activity bar chart that is used for planning, managing, and controlling major programs that have a distinct beginning and end. Norms - Correct Answer-Principles of right action, binding upon the members of a group and serving to guide, control, or regulate proper and acceptable behavior. Synergy - Correct Answer-When the unit or team becomes stronger than the sum of the individual members. pg. 12 professoraxe l