Unit 1 - Practice Quiz

MEC136 50 Questions
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1 Which grade of pencil is typically used for drawing center lines and section lines to ensure they are thin and sharp?

A. B
B. 2H or 3H
C. HB
D. 6B

2 The T-square is primarily used to draw which type of lines?

A. Vertical lines
B. Horizontal lines
C. Curved lines
D. Inclined lines

3 Which instrument is used to transfer dimensions from a scale to the drawing paper with high precision?

A. Protractor
B. Divider
C. Compass
D. Clinograph

4 In engineering drawing, visible outlines or object lines are represented by which type of line?

A. Long dashed dotted line
B. Continuous thick line
C. Continuous thin line
D. Dashed thin line

5 A line composed of a long dash followed by a dot and then a long dash represents:

A. Center lines
B. Cutting planes
C. Hidden edges
D. Dimension lines

6 Hidden edges of an object are drawn using:

A. Continuous thick lines
B. Long dashed dotted lines
C. Wavy lines
D. Short dashed lines

7 Which line type is used to indicate a cutting plane?

A. Continuous thick line
B. Chain thin line with thick ends
C. Dashed line
D. Continuous thin wavy line

8 The standard length-to-width ratio of an arrowhead in dimensioning is:

A. 4:1
B. 2:1
C. 3:1
D. 1:1

9 In the 'Aligned System' of dimensioning, how are the dimensions placed?

A. Parallel to the dimension line and readable from the bottom or right
B. Inside the object boundaries only
C. Horizontal only, readable from the bottom
D. Perpendicular to the dimension line

10 The symbol 'Ø' in dimensioning indicates:

A. Radius
B. Diameter
C. Depth
D. Square

11 Extension lines should extend how far beyond the dimension line?

A. Approx. 100 mm
B. They should stop exactly at the dimension line
C. 3 mm to 5 mm
D. 10 mm

12 What does 'Single Stroke' mean in lettering?

A. The thickness of the line equals the width of the pen tip
B. Only one font is used
C. Letters are written in one continuous horizontal line
D. The letter is written without lifting the pen

13 Vertical Gothic lettering implies that the stems of the letters are:

A. Italicized
B. Inclined at 75 degrees
C. Perpendicular to the horizontal guidlines
D. Thick and Thin (Serif)

14 Representative Fraction (RF) is defined as:

A. Drawing Length / Actual Length
B. Actual Length x Drawing Length
C. Actual Length / Drawing Length
D. Area of Drawing / Actual Area

15 A scale of 1:50 is an example of:

A. Enlarging Scale
B. Full Scale
C. Reducing Scale
D. Diagonal Scale

16 Which scale is used to represent three consecutive units (e.g., meters, decimeters, centimeters)?

A. Chord Scale
B. Vernier Scale
C. Plain Scale
D. Diagonal Scale

17 A Plain Scale is capable of reading how many units?

A. Three units
B. Angles
C. One unit only
D. Two units or a unit and its subdivision

18 The principle used in the construction of a Diagonal Scale is:

A. Pythagoras theorem
B. Golden ratio
C. Archimedes principle
D. Principle of similar triangles

19 If an object 10m long is represented by a line 10cm long, the R.F. is:

A. 10:1
B. 1:10
C. 1:100
D. 1:1000

20 The default file extension for an AutoCAD drawing file is:

A. .dwt
B. .dwg
C. .pdf
D. .dxf

21 Which key is pressed to toggle 'Ortho Mode' on and off in AutoCAD?

A. F7
B. F3
C. F10
D. F8

22 The command used to set the drawing units in AutoCAD is:

A. DIM
B. SET
C. UNITS
D. SCALE

23 What is the purpose of the 'LIMITS' command in AutoCAD?

A. To limit file size
B. To restrict the zoom level
C. To set the boundary of the drawing area
D. To limit the number of layers

24 In AutoCAD, the Cartesian coordinate system uses which axes for 2D drafting?

A. X, Y, and Z
B. Y and Z
C. X and Y
D. X and Z

25 To specify a Relative Polar Coordinate in AutoCAD, the syntax used is:

A. #distance,angle
B. @distance<angle
C. @x,y
D. x,y

26 What does UCS stand for in AutoCAD?

A. User Coordinate System
B. Universal Computer System
C. User Control Settings
D. Unified CAD Standard

27 Which function key toggles the Object Snap (OSNAP) mode?

A. F3
B. F1
C. F9
D. F5

28 The geometric shape displayed by OSNAP when snapping to a Midpoint is a:

A. Diamond
B. Circle
C. Square
D. Triangle

29 The geometric shape displayed by OSNAP when snapping to an Endpoint is a:

A. Circle
B. Cross
C. Triangle
D. Square

30 Which AutoCAD command allows you to move the drawing view without changing the coordinates or magnification?

A. MOVE
B. PAN
C. ZOOM
D. ROTATE

31 The F7 key in AutoCAD is used to:

A. Toggle Help
B. Toggle Ortho
C. Toggle Grid Display
D. Toggle Snap

32 Which coordinate entry method is represented by entering '10,20' directly in the command line?

A. Direct Distance
B. Relative Polar
C. Absolute Rectangular
D. Relative Rectangular

33 What is the function of the 'Zoom All' command?

A. Zooms to a specific window
B. Zooms to fit the drawing limits or extents
C. Zooms in by 2x
D. Zooms to the last view

34 Which F-key is used to access the AutoCAD Help menu?

A. F1
B. F12
C. F2
D. F11

35 What does the '@' symbol mean when entering coordinates in AutoCAD?

A. Absolute coordinate
B. Relative to the last point entered
C. Polar angle
D. Relative to the origin (0,0)

36 Which OSNAP setting would you use to snap to the quadrant points (0, 90, 180, 270 degrees) of a circle?

A. Perpendicular
B. Quadrant
C. Tangent
D. Center

37 The command line window in AutoCAD can be hidden or shown by pressing:

A. Ctrl + P
B. Ctrl + 9
C. Ctrl + C
D. Ctrl + S

38 F9 key is used for:

A. Grid
B. Ortho
C. Snap Mode
D. Polar

39 Which direction are angles measured in AutoCAD by default?

A. Clockwise
B. Vertical
C. Horizontal
D. Counter-Clockwise

40 Which AutoCAD interface element displays the cursor coordinates and drafting aid buttons (Grid, Ortho, Osnap)?

A. The Command Line
B. The Status Bar
C. The Quick Access Toolbar
D. The Ribbon

41 A 2:1 scale indicates that the drawing is:

A. One tenth the size
B. The same size as the object
C. Half the size of the object
D. Twice the size of the object

42 The lower-left corner of the drawing limits is usually set to:

A. 10,10
B. 0,0
C. Negative values
D. 100,100

43 Which key toggles Polar Tracking?

A. F10
B. F11
C. F12
D. F8

44 In lettering, the height of lower-case letters relative to capital letters (approximate ratio) is often:

A. 1/4 of capital height
B. 1/2 of capital height
C. Same height
D. 2/3 to 3/4 of capital height

45 A continuous thin line drawn freehand is used to represent:

A. Center line
B. Limits of partial or interrupted views (Break line)
C. Visible edges
D. Dimension line

46 What is the function of the 'Escape' (Esc) key in AutoCAD?

A. Cancel current command
B. Save file
C. Open help
D. Repeat last command

47 The WCS icon typically appears in which corner of the drawing area?

A. Bottom-Right
B. Bottom-Left
C. Top-Left
D. Top-Right

48 If you need to draw a line exactly 45 degrees from the horizontal, but Ortho is ON, what happens?

A. AutoCAD crashes
B. You can draw the line easily
C. The line becomes curved
D. The line is forced to 0 or 90 degrees

49 Which instrument is NOT typically used for linear measurement?

A. Protractor
B. Vernier Scale
C. Diagonal Scale
D. Scale (Ruler)

50 In a diagonal scale, the vertical division of the short end is divided into how many parts to measure the second decimal (if measuring meters to cm)?

A. 10
B. 50
C. 5
D. 100