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WorksheetsComputer Aided Drafting – Midterm Exam
Total questions: 50
Worksheet time: 25mins
What does CAD stand for?
Computer Aided Drafting
Computer Assisted Drawing
Computer Aided Design
Computer Analytical Design
Which of the following is a primary advantage of using CAD software?
Slower revisions
Reduced accuracy
Faster design modification
Increased manual drafting
Which CAD software is commonly used in civil engineering design?
Adobe Photoshop
AutoCAD
MS Excel
SketchUp
What type of file extension is commonly used for AutoCAD drawing files?
.docx
.dwg
.cad
What is the function of the command line in CAD software?
To draw shapes
To input commands and options
To change screen brightness
To manage file storage
The workspace in CAD refers to:
The background image
The area where you draw and edit designs
The print layout
The settings menu
What is the model space used for?
To create 2D and 3D drawings
To insert title blocks only
To preview printing
To add annotations
The layout space (paper space) is mainly used for:
Editing objects
Drawing in 3D
Plotting and presentation
Calculations
Which key is used to cancel a command in AutoCAD?
Esc
Enter
Ctrl
Shift
Which of the following is NOT a CAD software?
AutoCAD
SolidWorks
MS Word
SketchUp
What is the function of the Zoom tool?
To increase drawing scale
To change text size
To magnify or reduce the view
To stretch an object
Which coordinate system does CAD primarily use?
Polar
Cartesian
Geographical
Linear
What is the command to draw a straight line in AutoCAD?
L
D
LI
LN
Which command is used to draw circles?
CIRCLE
CI
CIR
CR
What does the OFFSET command do?
Duplicates objects at a specified distance
Rotates the object
Copies the object
Scales the object
The TRIM command is used to:
Extend lines
Cut unwanted parts of an object
Join lines
Change line type
What is the shortcut for the ERASE command?
E
ER
DEL
X
What does the EXTEND command do?
Joins objects
Makes lines longer to meet boundaries
Cuts objects
Changes angle
What is the purpose of the MIRROR command?
Creates a copy across an axis
Rotates an object
Scales an object
Flips text only
The command to make multiple copies of an object in a circular pattern is:
ARRAY
REPEAT
CIRCLE COPY
CLONE
Which command lets you move an object from one point to another?
SHIFT
MOVE
COPY
ALIGN
What is the default angle direction in AutoCAD?
Clockwise
Counterclockwise
Northward
Westward
To create parallel lines, which command can you use?
OFFSET
TRIM
MIRROR
ROTATE
What is the function of the SCALE command?
Changes object size proportionally
Cuts an object
Stretches only one side
Rotates an object
Which command is used to join connected lines into a single object?
JOIN
UNION
GROUP
POLYLINE
To repeat the last command, press:
Enter
Spacebar
Right-click
All of the above
The FILLET command is used to:
Create a curve between two lines
Cut lines
Make square corners
Add text
The command used to draw rectangles is:
BOX
RECTANGLE
POLYGON
SQUARE
To create a polygon, you use the command:
POLY
POLYGON
POLYLINE
POLYDRAW
The COPY command differs from the MOVE command because it:
Deletes the original object
Keeps the original and makes a duplicate
Rotates objects
Changes scale
What does the ARRAYRECT command do?
Creates a rectangular pattern of objects
Creates 3D boxes
Creates grids automatically
Copies objects along an arc
What is the purpose of object snap (OSNAP)?
To draw faster
To accurately select specific geometric points
To delete unnecessary lines
To zoom automatically
Which command toggles object snap on and off?
F3
F8
F9
F7
The endpoint snap allows you to:
Snap to the middle of a line
Snap to the end of a line or arc
Snap to the nearest point
Snap to an intersection
What does the midpoint snap do?
Locates the end of a line
Finds the center of an object
Locates the middle of a line segment
Snaps at the intersection
The perpendicular snap ensures:
A parallel connection
A 45° connection
A 90° connection
Tangent to a curve
Which snap helps you align with the center of a circle?
Center
Midpoint
Node
Quadrant
What does the quadrant snap locate?
90° points on a circle
The tangent points
The midpoint
The vertex
What is the function of the intersection snap?
Finds midpoint
Finds where two lines cross
Finds circle center
Finds tangent point
Which snap helps locate a point tangent to a circle?
Tangent
Intersection
Midpoint
Center
The grid snap helps you:
Move objects along grid points
Draw circles
Change color
Set layers
Which function key toggles orthogonal mode (Ortho)?
F8
F9
F10
F12
What does Ortho mode restrict your cursor to?
15° increments
Horizontal and vertical movement
Circular paths
Random angles
What is polar tracking used for?
To follow grid lines
To draw at specific angular increments
To locate midpoint
To set units
Which key toggles polar tracking on and off?
F10
F8
F3
F9
What is the main purpose of construction lines (XLINE)?
Create permanent lines for plotting
Provide reference lines that extend infinitely
Draw walls in 3D
Divide objects equally
What command creates finite reference lines?
XLINE
RAY
LINE
OFFSET
What are construction elements mainly used for?
Decoration
Measurement and alignment guides
Text formatting
Plotting only
What is the benefit of using snapping and construction lines?
Increases randomness
Ensures drawing accuracy and alignment
Reduces accuracy
Slows down drawing
Which of the following best describes good CAD drafting practice?
Draw freely without snaps
Use snaps, layers, and construction lines for precision
Avoid grid and ortho modes
Work without reference points
