CADD 120/ENGR 119 Midterm

Absolute coordinates

(9.54, 6.66)

Where is 0 degrees located in AutoCAD's default units setup? Where is 270 degrees? Where is -45 degrees?

0 is straight out to the right. 270 is straight down. -45 is down at an angle of 45 degrees below the horizon.

Engineering units

1'-0.5", 3'-4.75"

Architectural units

1'-1/2",3'-4 3/4"

Horizontal

180

Decimal units

2.3456,5.4321

Vertical

270

You are rotating an object from its current position at 45 degrees to a new position at 30 degrees using the Reference option. The reference angle will be:

45 dgerees

Polar coordinates

6.5<45,0

Relative coordinates

@7,7

What are the three different modes of the coordinate display and how does each mode appear? How do you switch between modes?

Absolute coordinates, polar coordinates, and static mode. Absolute gives three coordinate values relative to the screen grid. Polar gives coordinates in a length<angle format relative to the last point entered. Static mode uses absolute coordinates, but only updates when a point is picked.

17 x 11

Action Recorder

Fillet

Always symmetric

Start point

Arc

Angle between items

Array polar

How many layers can you create in AutoCAD?

As many as you like

Polar tracking can be set to track:

At any angle

Layer 0

Cannot be deleted

The numbers on the coordinate display show positions in a:

Cartesian coordinate system

Portrait

Centerlines

Which linetype is loaded by default?

Continuous

Which of these cannot be accomplished using the Layer drop-down list?

Create new layers

In the MOVE command, after defining a selection set:

Define a displacement vector

The set of visual aids and command options that move with the cross-hairs is called:

Dynamic input display

What factors define an arc? How many are needed for any single method?

Every arc has a start point, a center point, an end point, and an included angle. A start point and any two other factors will define the arc.

True or False: AutoCAD will not send a plot to a printer or plotter if the drawing limits exceed the sheet size.

False

True or False: In order to define an arc, you must first specify a start point.

False

True or False: It is necessary to match layers and color numbers.

False

True or False: It is not possible to plot a landscape-oriented plot on a printer.

False

True or False: The # sign indicates that you are going to enter polar coordinates.

False

True or False: The command line is the best place to enter AutoCAD commands.

False

True or False: The ribbon gives quick access to all AutoCAD commands.

False

True or False: The same selection methods are available in noun/verb and verb/noun editing.

False

True or False: When LIMITS are changed AutoCAD automatically zooms out to center the grid.

False

True or False: You can zoom but not pan with the scroll wheel.

False

True or False: In defining an arc, the rubber band indicates the endpoint.

False.

True or False: It is usually unnecessary to perform a full plot preview.

False.

True or False: Last and Previous selections are equivalent.

False.

True or False: You can draw in only one color on one layer.

False.

You have just entered the point (1,1,0) and you now wish to enter the point two units straight up from this point. How would you identify this point using absolute, relative, and polar coordinates?

For absolute coordinates you would type #1,2. For relative coordinates, type 0,1. For polar coordinates type 1<90.

Name at least five settings that would typically be included in a template drawing.

Grid, Snap, Layers, Limits, Units

What is heads-up design? Give three examples of heads-up design features from this chapter.

Heads-up design refers to the principal of designing software so as to minimize the necessity of looking away from the screen. The dynamic input display, the use of the space bar as an enter key, and the use of shortcut menus as well as the many menus and tools on the screen are all examples of heads-up features.

The tool that does not appear on the Quick Access toolbar is:

Help

What is the difference between noun/verb and verb/noun editing?

In noun/verb editing you select an object first (the noun), then you execute a command to take action on the object (the verb). In verb/noun editing you specify the type of action first, and then select objects to apply it to.

What is a rectangular array? What is a polar array?

In rectangular arrays the pattern is one of rows and columns at regular distances apart. In polar arrays the pattern is circular, around and arc or circumference of a circle.

Where are template drawings stored in a standard AutoCAD file configuration? What extension is given to template file names?

In the AutoCAD Template Folder. The complete path is: Documents and Settings/Username/Local Settings/Application Data/Autodesk/AutoCAD2010/R18.0/enu/Template. The extension is .dwt.

AutoCAD's default color system is:

Index

Locked

Layer cannot be edited

Off

Layer is not visible

Mirror line

Mirror

Frozen

Not visible, not regenerated

Name three ways to change the current layer.

Pick a new layer from the Layer list on the ribbon. Pick a new layer in the Layer Properties Manager and pick the Set Current button. Pick the Make Object's Layer Current tool from the ribbon and pick an object on the new current layer.

To open a crossing window:

Pick points from right to left

Which of these will not open the Drafting Settings dialog box?

Pick the Drafting Settings tool from the ribbon

Page setup

Plot

Clock face

Polar array

What factors define a polar array? How many are needed to define an array?

Polar arrays are defined by the number of objects, the angle between objects, and the total angle of the array. Any two will completely define the array.

To remove grips:

Press <Esc>

In model space, objects are drawn to:

Real-life measurements

Grid

Rectangular array

To access the Grip Edit shortcut menu:

Right-click after selecting objects

Base point

Rotate

To facilitate creating new drawings from a previous drawing:

Save it in the Template folder

How do you access the Grip Edit shortcut menu?

Select an object so that grips are displayed, then right-click.

To switch from decimal to architectural units:

Select architectural in the Drawing Units dialog box

How would you use the Reference option to rotate a line from 60 degrees to 90 degrees?How would you accomplish the same rotation without using a reference?

Select the object, enter the ROTATE command, specify the reference option, type 60 and then type 90. Without using reference, select the object, enter the ROTATE command and type 30.

What would happen if a drawing created with our 1B template were printing with a 1-to-1 scale on an A-size printer? What feature of the Plot Configuration dialog box would you use to find out if you weren't sure?

Since 1B is 18 x 12 and A-size paper is only 12 x 9, only part of the drawing would be printed. Use Plot Preview to see the affect before plotting.

What is the value and limitation of having Snap on?

Snap limits the screen points you can locate with the screen cursor. This makes point selection quick and accurate, but only for points available in the snap grid.

Which is likely to have the smaller setting, grid or snap? Why? What happens if the settings are reversed?

Snap will be smaller typically. A smaller snap setting makes more points accessible, while a larger grid setting keeps the screen less cluttered. If the grid is set smaller than the snap, some grid points will not be accessible.

Which of these is the least useful snap and grid setting combination?

Snap= 1.0 Grid=.5

What is the purpose of the Base Point option in the grip edit Rotate mode?

So that objects may be rotated around different points, either on or off the object.

Which of the following is always specified in defining an arc?

Start point

Which of these is not required to define a polar array?

Start point

In single-line text, what values must be specified before entering text?

Start point, height, and rotation angle.

Two modes of the coordinate display are:

Static, dynamic

When drawing a circle using the Diameter option, the rubber band:

Stretches from the center point to a point outside the circle

The Continue option will begin an arc:

Tangent to the last arc drawn

dwt

Template

Which is not entered when you create a single-line text?

Text color

What linetype is always available when you start a drawing from scratch in AutoCAD? What must you do to access other linetypes?

The continuous linetype is always available. To access other linetypes you must load them from the ACAD linetype file, or another file containing linetype definitions

What aspects of a plot are shown in the preview image in the Printer/plotter panel of the Plot dialog box?

The effective drawing area in relation to the selected drawing sheet size in the printer or plotter.

What are the advantages of using the ribbon to enter commands?

The ribbon provides easy access to a large number of commands without cluttering the drawing area. You can enter commands from the ribbon without taking your eyes off the screen.

True or False: 3 o'clock = 0

True

True or False: Any drawing may be saved as a template drawing.

True

True or False: By default the COPY command creates multiple copies of selected objects.

True

True or False: C is an alias for Circle.

True

True or False: In AutoCAD, plot settings are affected by your choice of a plotter.

True

True or False: Linetypes need to be loaded, but colors do not.

True

True or False: Objects on the same layer need not be the same color.

True

True or False: Rows are horizontal; columns are vertical.

True

True or False: Snap makes some points impossible to select with the screen cursor.

True

True or False: The right mouse button calls up shortcut menus according to context

True

True or False: Polar arrays can be defined around circles or arcs.

True.

Describe the use of the scroll wheel for zooming.

Turning the scroll wheel forward zooms in. Turning it back zooms out. The zoom is centered on the position of the crosshairs.

In grip editing, you can select objects by:

Typing L for last

Grid display

Visible, but not plotted

How does AutoCAD know when you want a crossing selection instead of a window selection?

Windows are opened left to right, crossing selections are opened right to left.

What is the value of using a template drawing?

You create a new drawing with settings already defined in the template.

You have been working in the Layer Properties Manager, and when you return to your drawing you find that some objects are no longer visible. What happened?

You picked the on/off icon and turned off a layer with the missing objects on it.

Snap mode

limits point selection