wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Technical Graphics and CAD - Multiple Choice Questions

Total questions: 90

Worksheet time: 45mins

Name
Class
Date
1.

What does CAD stand for?

a)

Computer Art Design

b)

Computer-Aided Design

c)

Creative Application Drawing

d)

Computer Animation Design

2.

Technical Graphics is the ______ representation of an object.

a)

written

b)

visual

c)

verbal

d)

musical

3.

Which tool is used to draw circles and arcs?

a)

Protractor

b)

Compass

c)

Pencil

d)

Ruler

4.

The distance around a circle is called the ______.

a)

Radius

b)

Diameter

c)

Arc

d)

Circumference

5.

A line drawn at exactly 90° to another line is called a ______ line.

a)

Parallel

b)

Perpendicular

c)

Oblique

d)

Hidden

6.

Two lines that never meet are called ______ lines.

a)

Crossing

b)

Vertical

c)

Parallel

d)

Diagonal

7.

Which instrument is used to draw angles from 0° to 180°?

a)

Compass

b)

Protractor

c)

Set square

d)

Divider

8.

A radius is the distance from the center to the ______.

a)

edge

b)

circumference

c)

diameter

d)

vertex

9.

An acute angle is ______ than 90 degrees.

a)

equal

b)

greater

c)

less

d)

reflex

10.

What are the lines that form an angle called?

a)

Arms

b)

Vertices

c)

Degrees

d)

Points

11.

Orthographic projection represents 3D objects in ______ views.

a)

one

b)

two

c)

three

d)

four

12.

In orthographic projection, the front, side and top views are called ______.

a)

elevations

b)

sketches

c)

outlines

d)

drawings

13.

The front view shows the object as seen from _______.

a)

above

b)

front

c)

side

d)

bottom

14.

The top view is also known as the _______.

a)

plan

b)

base

c)

elevation

d)

outline

15.

Hidden lines are drawn as _______.

a)

long solid lines

b)

short dashes

c)

dotted and thick

d)

curved lines

16.

Centre lines are made up of _______.

a)

continuous thin lines

b)

long and short dashes

c)

double dots

d)

zigzag lines

17.

The distance from one point on a circle through the center to another point is the _______.

a)

radius

b)

arc

c)

diameter

d)

circumference

18.

The orthographic projection of a cylinder shows a _______ in the top view.

a)

triangle

b)

rectangle

c)

circle

d)

line

19.

Which view shows the height and width of an object?

a)

Top view

b)

Side view

c)

Front view

d)

Plan view

20.

In orthographic projection, which factor is NOT considered?

a)

Viewing direction

b)

Object

c)

Plane

d)

Colour of object

21.

Hidden lines are used to show features that cannot be seen from a view.

a)

True

b)

False

22.

Parallel lines always intersect at one point.

a)

True

b)

False

23.

An obtuse angle is less than 90°.

a)

True

b)

False

24.

Orthographic projection is a method to represent 3D objects in 2D views.

a)

True

b)

False

25.

The symbol used to represent the diameter is _______.

a)

Ø

b)

Δ

c)

Σ

d)

π

26.

A line that divides an angle into two equal parts is called a _______ line.

a)

Bisector

b)

Median

c)

Altitude

d)

Perpendicular

27.

The distance from the center to the circumference is called the _______.

a)

Radius

b)

Diameter

c)

Chord

d)

Tangent

28.

In orthographic projection, view A is the _______, view B is the _______, and view C is the _______.

a)

Front, Side, Top

b)

Top, Front, Side

c)

Side, Top, Front

d)

Top, Side, Front

29.

29. A prism is a solid with regular polygon ends and _______ faces.

a)

Rectangular

b)

Triangular

c)

Circular

d)

Hexagonal

30.

The three main views used in orthographic projection are _______, _______ and _______.

a)

Front, Side, Plan

b)

Top, Bottom, Rear

c)

Left, Right, Center

d)

Oblique, Isometric, Perspective

31.

Why is technical drawing essential before using CAD software?

a)

It teaches accuracy and spatial thinking

b)

It replaces manual skills

c)

It saves computer memory

d)

It reduces creativity

32.

When two lines intersect at 90°, what real-life structure can represent this concept?

a)

A ladder

b)

Railway tracks

c)

A window frame

d)

A curved pipe

33.

Why are hidden lines drawn as short dashes in orthographic drawings?

a)

To decorate drawings

b)

To show invisible edges

c)

To represent shadows

d)

To mark dimensions

34.

Which situation best explains the importance of parallel lines?

a)

Electric cables along roads

b)

Two roads meeting

c)

Lines crossing each other

d)

Fan blades rotating

35.

A student drew two lines that never meet even when extended. What geometric property do they represent?

a)

Perpendicular

b)

Tangent

c)

Parallel

d)

Inclined

36.

What would happen if an angle bisector is drawn incorrectly?

a)

Both parts become unequal

b)

The shape becomes symmetrical

c)

The drawing is unchanged

d)

The line becomes longer

37.

In a 3D object, which view would help you measure the object's depth?

a)

Front view

b)

Side view

c)

Top view

d)

Any view

38.

Which instrument combination ensures accurate construction of perpendicular lines?

a)

Compass and ruler

b)

Set squares and pencil

c)

Eraser and scale

d)

Divider and pen

39.

Why is the protractor an essential tool in technical graphics?

a)

It helps draw angles precisely

b)

It measures circles

c)

It divides lines

d)

It colors drawings

40.

What is the purpose of using centre lines in a circular shape?

a)

To mark the border

b)

To show the midpoint and symmetry

c)

To draw thick outlines

d)

To divide the circle

41.

Why are orthographic projections used in design?

a)

To visualize real 3D objects accurately from all sides

b)

To create colorful sketches

c)

To reduce drawing time

d)

To replace dimensions

42.

In an orthographic drawing, what information does the top view provide?

a)

Width and depth

b)

Height and width

c)

Length only

d)

Shape outline only

43.

What type of line is most suitable to show hidden circular features?

a)

Continuous thin line

b)

Dashed line

c)

Zigzag line

d)

Bold outline

44.

When drawing a cylinder in orthographic projection, what will its side view look like?

a)

A rectangle

b)

A square

c)

A triangle

d)

A curved arc

45.

Why is CAD considered an advancement over manual drawing?

a)

It allows editing, scaling, and precision

b)

It uses colored pens

c)

It replaces geometry

d)

It’s faster but less accurate

46.

What does the front view of an object mainly show?

a)

Depth and height

b)

Width and height

c)

Width and depth

d)

Height only

47.

Which object best represents a prism in daily life?

a)

A pencil box

b)

A ball

c)

A cone

d)

A bottle cap

48.

Which rule must be followed when drawing orthographic projections?

a)

All views must align correctly

b)

All lines must be thick

c)

Colors should differ per view

d)

Dimensions must be hidden

49.

How can hidden details in orthographic drawings improve product design?

a)

By revealing internal parts for accurate assembly

b)

By simplifying shapes

c)

By removing measurements

d)

By coloring edges

50.

Which step comes first in drawing an orthographic projection?

a)

Determine the viewing direction

b)

Draw hidden lines

c)

Add labels

d)

Choose colors

51.

Orthographic projection helps convert 2D ideas into 3D visualizations.

a)

True

b)

False

52.

Centre lines are drawn to indicate hidden parts of an object.

a)

True

b)

False

53.

In CAD software, accuracy depends on the quality of manual sketches.

a)

True

b)

False

54.

A cone and a cylinder have identical top views in orthographic projection.

a)

True

b)

False

55.

The process of dividing a line into two equal parts is called _______.

a)

Bisecting

b)

Intersecting

c)

Perpendicularing

d)

Segmenting

56.

The tool used to measure and draw specific angles is the _______.

a)

Protractor

b)

Ruler

c)

Compass

d)

Set square

57.

In CAD, the term “projection” refers to showing a 3D object on a _______ surface.

a)

2D surface

b)

3D surface

c)

curved surface

d)

transparent surface

58.

The three main views used in orthographic drawings are _______, _______ and _______.

a)

Front, Side, Plan

b)

Top, Bottom, Left

c)

Right, Left, Center

d)

Up, Down, Across

59.

29. The feature that connects manual graphics and CAD design is _______.

a)

Technical Graphics

b)

Digital Animation

c)

3D Printing

d)

Architectural Modeling

60.

In a prism, all side faces are _______ in shape.

a)

Rectangular

b)

Triangular

c)

Circular

d)

Hexagonal

61.

What is the purpose of using CAD in design?

a)

To create accurate digital drawings

b)

To replace manual sketching

c)

To draw by hand

d)

To add color

62.

Which tool is essential to draw circles accurately?

a)

Protractor

b)

Compass

c)

Set square

d)

Scale

63.

The symbol Ø stands for:

a)

Radius

b)

Diameter

c)

Arc

d)

Angle

64.

What kind of lines never meet?

a)

Parallel

b)

Perpendicular

c)

Intersecting

d)

Diagonal

65.

Hidden lines in drawings are represented by:

a)

Dotted thick lines

b)

Short dashed lines

c)

Continuous bold lines

d)

Colored lines

66.

Which view shows height and width of an object?

a)

Front view

b)

Top view

c)

Side view

d)

Plan view

67.

The distance from the center of a circle to its circumference is the:

a)

Diameter

b)

Radius

c)

Chord

d)

Arc

68.

What are lines called that meet at 90 degrees?

a)

Perpendicular

b)

Parallel

c)

Tangent

d)

Reflex

69.

Which view is also called the plan view?

a)

Top view

b)

Front view

c)

Side view

d)

End view

70.

What does an orthographic projection show?

a)

3D objects in 2D views

b)

2D shapes in 3D form

c)

Shadows

d)

Sketches

71.

The tool used to draw angles from 0° to 180° is a:

a)

Compass

b)

Protractor

c)

Set square

d)

Divider

72.

Which view best shows the depth of an object?

a)

Front view

b)

Top view

c)

Side view

d)

Plan view

73.

Lines drawn to show unseen edges are:

a)

Hidden lines

b)

Center lines

c)

Cutting lines

d)

Border lines

74.

The front view in orthographic projection shows:

a)

Width and height

b)

Depth and width

c)

Height only

d)

Depth only

75.

The top view of a cylinder shows:

a)

Circle

b)

Rectangle

c)

Triangle

d)

Square

76.

Which lines are used to mark the center of circles?

a)

Center lines

b)

Hidden lines

c)

Border lines

d)

Outline

77.

Which feature of CAD saves time in design modification?

a)

Editing tools

b)

Shading

c)

Printing

d)

Coloring

78.

An obtuse angle measures:

a)

More than 90° and less than 180°

b)

Exactly 90°

c)

Less than 90°

d)

More than 180°

79.

What is the correct sequence of orthographic views?

a)

Front, Side, Plan

b)

Plan, Front, Side

c)

Side, Plan, Front

d)

Any order

80.

Technical graphics help designers to:

a)

Communicate ideas visually

b)

Add colors

c)

Write reports

d)

Collect data

81.

Parallel lines will intersect when extended.

a)

True

b)

False

82.

Orthographic projection represents 3D objects on 2D planes.

a)

True

b)

False

83.

Hidden lines are drawn as long continuous lines.

a)

True

b)

False

84.

A circle’s diameter is twice its radius.

a)

True

b)

False

85.

The tool used to draw circles is the _______.

a)

Compass

b)

Ruler

c)

Protractor

d)

Set Square

86.

Two lines that never meet are called _______ lines.

a)

Parallel

b)

Perpendicular

c)

Intersecting

d)

Curved

87.

Lines meeting at 90° are called _______ lines.

a)

Perpendicular

b)

Parallel

c)

Transversal

d)

Skew

88.

The distance across a circle through its center is the _______.

a)

Diameter

b)

Radius

c)

Chord

d)

Circumference

89.

In orthographic projection, the top view is also called the _______ view.

a)

Plan

b)

Elevation

c)

Section

d)

Profile

90.

30. _______ are used to show features that cannot be seen from the outside.

a)

Hidden lines

b)

Section lines

c)

Center lines

d)

Dimension lines