CAD Chapter 1 & Chapter 2

Four types of technical drawings use to communicate ideas.

Mechanical, presentations, set of drawings, set of sketches

Materials used in the preparation of drawings or tracings are called drafting _____.

Media

The basic unit of length in the metric system is the _____.

Meter

A ______ is a full size model that simulates an actual machine or part.

Mock-up

The term _______ is used to refer to three-dimensional scale replicas, mock-ups, and prototypes

Model

_______ ________ is the process of seeking practical solutions to a problem.

Problem solving

A __________ is the first functioning model of an item, which can be tested.

Prototype

A ________ is used to measure and mark off angles that cannot be measured with a T-square and triangles.

Protractor

A scale of 1/4" =1'-0" is commonly referred to as ______ scale.

Quarter

Generally, a drafting trainee will work under the close supervision of _____ _______ personnel.

Senior drafter

______ are drawings that are very useful in communicating undeveloped ideas.

Sketches

A ________ drawing is a graphic representation of a real thing- an idea, object, a process, or a system.

Technical

Commonly used characters and symbols may be drawn using drafting _______.

Templates

_______ are used to draw vertical and inclined lines.

Triangles

_______ is referred to as transparentized or prepared tracing paper.

Vellum

Object lines are also known as ______ lines.

Visible

A _______ problem is generally rather narrow in scope and only has one correct solutions.

Well-structured

What is the range of drawing leads based on hardness?

7B-9H

The American Society of Mechanical Engineers (ASME) standard for drawing lines accepted throughout industry is known as the _________ __ _____.

Alphabet of lines

Drafting standards developed by the ______ serve as the basic guide for technical drawing.

American National Standards Institute

_____________ is a means of working with others to develop creative solutions to problems.

Brainstorming

______ lines are used to limit a partial view of a broken section.

Break

What do center lines represent?

Circles, axis of symmetry, motion

A ________ is used to draw circles and arcs.

Compass

What is another name for section lines?

Cross-hatching

Hidden Lines start and end with a _____.

Dash

Before much progress can be made toward the solution of a problem, the problem must be clearly _________.

Defined

The _______ drafter is a senior level drafter, representing the highest level of drafting skill.

Design

The _________ ________ is a systematic procedure for approaching a design problem and arriving at a solution.

Design method

Lines used to indicated the extent and direction of dimensions are known as _____ lines.

Dimension

______ thinking is examining a very specific problem to come up with several correct solutions.

Divergent

A _______ is used to transfer distances and to divide straight and circular lines into equal parts.

Divider

Primary purpose of ________ is to communicate an idea, plan, or object to some other person.

Drafting

A ______ _______ combines the functions of the T-square, straightedge, triangles, protractor, and scales into one tool.

Drafting machine

The ______ ______ __ ___ _________ _________ are as follows: 1. Problem Definition 2. Preliminary Solutions 3. Preliminary Solutions Refinement 4. Decision and Implementation

Four steps of the design method

A ______ ______ is used to draw smooth curves through plotted points.

French curve

A scale that has all units subdivided along the entire scale is said to be a ___________ line

Full-divided

What is the term for erased lines that are still visible?

Ghost lines

______ language is a basic and material form of communication that is universal and timeless.

Graphic

The process of making technical drawings using instruments, templates, scales, and other mechanical equipment is called ______ drafting.

Instrument

It is the job of the _______ drafter to prove out the product design, using sketches and models and a scaled layout drawing.

Layout

_______ drawings show an idea or product in a more refined or improved state than sketches.

Mechanical