PLTW DM Midterm Exam

Front

Why is sketching an effective communication tool?

Back

Sketching allows designers to accurately communicate details of their ideas with lots of information at once.

Front

Why might a designer or engineer use an isometric sketch rather than a perspective sketch to communicate their idea?

Back

An isometric sketch has no vanishing points and all horizontal and vertical lines are parallel to show details on three sides of an object simultaneously.

Front

Why is a decision matrix an important tool to use in the design process?

Back

A decision matrix determines the best solution by comparing design ideas to the criteria and constraints.

Front

While there are different versions of the design process, what are the essential elements in any type of design process?

Back

The design process must be iterative where designers can revisit previous steps to modify and change their design based on failures and testing.

Front

A line type that is used to indicate the axis of symmetry for a part or feature.

Back

Centerline

Front

Thin lines that serve as guides while sketching or drawing.

Back

Construction Line

Front

A straight line passing from side to side through the center of a circle or sphere.

Back

Diameter

Front

A measurable extent, such as the three principal dimensions of an object of width, height, and depth.

Back

Dimension

Front

A proportion between two sets of dimensions used in developing accurate, larger or smaller prototypes, or models of design ideas.

Back

Scale

Front

This is an example of what kind of sketch? Isometric, Full, Dimensioned, Multiview

Back

Multiview