DFTG 1405 Final Exam

What direction(s) does aligned text face?

Aligned text faces the bottom and the right side of the drawing sheet.

Who is responsible for determining dimensions on architectural drawing?

Architectural designers

How many views of an object should a drafter draw?

As many as are needed to describe the object.

Type of college degree held by many drafters.

Associate

Type of college degree held by most engineers and architects

Bachelor

he Dimension Style Manager tab where the orientation of arrowheads on circles and arcs are defined.

Fit

Percentage of an object removed to create a full section.

Half

AutoCAD setting that defines the size of the drawing area.

Limits

The Dimension Style Manager tab where center mark style is defined.

Lines

Drafting field concerned with screw threads and fasteners.

Mechanical

In what field of technical drawing are isometric techniques most often used to create a pictorial image?

Mechanical field

What is the range of lead hardness for general drafting and sketching?

Medium leads (3H, 2H, H, F, HB and B)

What unit of measurement is represented by each small increment on the 1:100 Metric Scale as interpreted by a mechanical engineer?

Millimeter

Percentage of an object removed to create a half section

One fourth

An auxiliary view may be needed if the features of an object do not appear true shape in __________?

any of the regular views

In an auxiliary view, the plane of projection is _________ relative to the inclined plane.

Parallel

A type of coordinate defined by a length and an angle.

Polar

The Dimension Style Manager tab where dimension precision is defined.

Primary Units

Drafting field concerned with chemical plants and oil refineries

Process Piping

Command that requires the drafter to define two diagonal points.

Rectangle

A type of coordinate that is relative to the last point defined.

Relative

Section view that requires a label.

Removed

On what tab in the Drafting Settings dialog box is the rectangular snap button located?

Snap and Grid Tab

Where is a removed section placed on a drawing?

Somewhere else on the sheet

Which of the following is not an AutoCAD object snap setting- Node, Tangent, Quadrant, or Startpoint?

Startpoint

The Dimension Style Manager tab where dimension arrow size is defined.

Symbols and Arrows

The Dimension Style Manager tab where dimension height is defined.

Text

What does 1/4"=1'-0" represent on an architectural drawing of a house?

That 1 foot on the construction site equals ¼ inch on the drawing

In the United States, what is the name of the organization that publishes a drawing standard for architectural drawings?

The United States National CAD Standard (NCS)

Name three qualities that technical lettering should possess.

Uniform height, width and style.

ASME line thickness for a center line.

.3mm

ASME line thickness for a hidden line.

.3mm

Name three lead widths that technical pencils can be purchased in.

.3mm, .5mm, .7mm, .9mm

Which ratio below indicates that a drawing is Full size?

1=1 1/1 1:1

Ratio indicating a drawing is half scale

1=2

What is the multiplier used to convert decimal inches to millimeters?

25.4

Ratio indicating a drawing is double scale.

2=1

What is the angle of an object's horizontal lines in an isometric drawing?

30 degree angle

What is the angle of the major axis of an ellipse drawn on an isoright plane?

60 degree angle

In an offset section, the cutting plane line is offset at what angle?

90 degree angle

What is a datum?

A theoretically perfect feature (plane, axis, or point) from which dimensions are referenced.

What does the acronym AIA stand for?

American Institute of Architects

In the United States, what is the name of the organization that publishes a dimensioning standard for engineering drawings?

American Society of Mechanical Engineers (ASME)

In what field must a drafter be familiar with floor plans, elevations and construction details?

Architectural

A "C" sheet is equal in size to two of these sheets laid side by side?

B

How is point with coordinates 0,0 represented in the graphics window of an AutoCAD drawing?

By the placement of the User Coordinate System (UCS) icon in the lower left hand of the graphics window.

How are the locations of doors and windows defined with dimensions on architectural drawings?

Dimensions are placed to the centers of doors and windows.

What do the arrows on a cutting plane line indicate?

Direction section is viewed

What is the name of the tool on AutoCAD's Inquiry toolbar that is used to calculate the distance between two points?

Distance

Section that cuts through features that do not lie on a straight line.

Offset

How can an employer find out about a student's CAD skills, work habits, and dependability?

Often the recommendation of a current, or former, instructor will determine whether or not you get a job.

AutoCAD draw command used to create a multi-sided object.

Polygon

A cutting plane line is not necessary on this type of section.

Revolved

AutoCAD modify command used to change the size of an object

Scale

What is the name of the Hatch setting that controls the density of the hatch pattern?

Scale

What are the diagonal lines in a section view called?

Section lines

How does a drafter determine which view will be the front view?

Select the view you would choose if you could only show the viewer one view to describe the object, the one with the most information about the object.

Is the diameter of a hole a size, or a location, dimension?

Size

What does Quarter Scale mean?

That the size of the object in the drawing is one fourth the size of the object after it is manufactured.

Which scale is used by mechanical engineers to measure drawings in decimal inches?

The Engineer's 10 scale

What does ISO stand for?

The International Standards Organization

What is a tolerance?

The allowable variation a part's features can deviate from the dimensions specified on the drawing and still perform their design function.

Who is responsible for calculating tolerances on an engineering drawing?

The designer

Which method of labeling text complies with the ASME standard: unidirectional or aligned?

Unidirectional

What linetype is assigned to the lines that are drawn between the principal view and an auxiliary view?

center

A partial auxiliary view omits _____________________?

foreshortened features of the object

A primary auxiliary view is drawn adjacent to, and aligned with, a(n) ___________ view?

principal

Sheet size for a Mechanical B size sheet?

17 x 11

How many degrees is a half-moon protractor divided into?

180 degrees

What is the angle of an object's vertical lines in an isometric drawing?

90 degree angle

What is meant by nominal size?

A dimension used to describe the general size of the feature. Tolerances are applied to this dimension.

What is a reference dimension?

A dimension without a tolerance that is provided only for informational purposes. It is not used for manufacture or inspection of the part. A reference dimension is enclosed in parentheses.

Name the standard that controls line thickness an ASME drawing.

ASME Y14.2M-1992

A type of coordinate that is relative to 0,0.

Absolute

What angles do drafting triangles come in?

30, 45, 60, 90

Sheet size for an Architectural D sheet.

36 x 24

ASME line thickness for a visible line

.6mm

Which of the following attributes do most employers value?

- Ability to fit into to a team. - Ability to work independently. - Ability to communicate clearly.

AutoCAD modify command used to bevel the corners of objects.

Chamfer

In what field must a drafter be familiar with roads, bridges, water and waste-water systems, and surveying techniques?

Civil

What does the term CAM stand for?

Computer Aided Manufacturing

Units setting commonly used in mechanical drawings.

Decimal

Name the job titles of people who might comprise a design team.

Designers, checkers, engineers, architects, and drafters

Name three tools used by traditional drafters to draw parallel horizontal lines.

Drafting machine, or a parallel straight-edge, attached to the top of a drawing table allows a drafter to draw horizontal lines that are parallel to each other. Another tool that can be used to draw parallel horizontal lines is a T-square.

Name three terms that are used to describe the creation

Drafting, engineering drawings, and CAD (Computer Aided Design)

What is the direction (North, South, East, or West) of the default Base Angle setting in AutoCAD?

East

A drafter who divides her duties between mechanical drafting and electrical/electronic drafting is known as what kind of drafter?

Electro/Mechanical Drafter

According to the US Department of Labor statistics (2016), which field of drafting has the highest median salary?

Electronics

Drafting field concerned with design of semiconductor devices

Electronics

Angles of inclined planes can be measured directly in an isometric drawing

False

In an isometric drawing, the lines appear to recede toward a vanishing point

False

It is not important for drafters and designers to understand isometric drawing techniques.

False

When drawing an isometric ellipse, isoplane must be selected after beginning AutoCAD's Ellipse command.

False

AutoCAD modify command used to round the corners of objects.

Fillet

Name the six regular views of an object.

The front, top, right side, left side, back and bottom.

What setting should be defined before the limits of an AutoCAD drawing are set?

The units of the drawing.

Designers have a higher salary than drafters because...

They have a higher degree of responsibility for the success of the project than drafters.

What terminations symbol is often used on architectural dimensions?

Tick marks (or obliques)

How is a triangle used with a parallel straight-edge to draw a vertical line that is perpendicular to a horizontal line?

To draw horizontal and vertical lines that are mutually perpendicular (90 degrees), drafters use a triangle in conjunction with a parallel straight-edge. To draw vertical lines, the triangle should be placed on top of the straight-edge. Hold both the straight-edge and triangle with your left hand while drawing the vertical line.

F5 and Crtl E are the two ways to change the orientation of the crosshair in an isometric drawing created with AutoCAD.

True