Multiple choice questions

1. The projection showing the front in the true shape and size is

 (a) isometric
 (b) perspective
 (c) oblique
 (d) axonometric

2. What type of line has precedence over all other types of lines?

 (a) hidden line

 (b) centre line
 (c) visible line
 (d) none of the above

3. Which is not a principal view?

 (a) front
 (b) bottom
 (c) auxiliary
 (d) left side

4. Inclined planes in a three-view drawing will appear as

 (a) two surfaces and one edge

 (b) one surface and two edges
 (c) three edges
 (d) foreshortened in each view

5. When a surface of an object is inclined to a plane of projection, it will appear in the view

 (a) foreshortened
 (b) in true size and shape
 (c) as a line
 (d) as a point

6. The top view of an object should typically be drawn

 (a) to the right of the front view

 (b) directly below the front view
 (c) anywhere on the same page
 (d) on a separate piece of paper

7. The top and right side views have common dimensions of

 (a) height and width

 (b) width and depth
 (c) height
 (d) depth
8. This type of projection is when projectors are parallel to each other, but are at an angle
other than 90 degrees to the plane of projection:

 (a) perspective
 (b) oblique
 (c) aesthetic
 (d) angular

9. This is how axonometric, oblique, and perspective sketches show objects

 (a) Orthographically
 (b) Pictorially
 (c) Obliquely
 (d) Parallel

10. The primary unit of measurement for engineering drawings and design in the
mechanical industries is the

 (a) millimeter
 (b) centimeter
 (c) meter
 (d) kilometer

11. This type of solid has two bases that are parallel equal polygons:

 (a) pyramid
 (b) prism
 (c) cone
 (d) torus

12. The solid having a polygon for a base and triangular lateral faces intersecting at a
vertex is

 (a) pyramid
 (b) prism
 (c) cone
 (d) torus

13. This is formed where three or more surfaces intersect:

 (a) oblique
 (b) line
 (c) edge
 (d) vertex

14. These types of projectors converge at a vanishing point

 (a) perspective
 (b) parallel
 (c) orthographic
 (d) oblique
15. In oblique sketches, the most commonly used angles for receding lines are

 (a) 15 or 60 degrees
 (b) 15 or 75 degrees
 (c) 45 or 60 degrees
 (d) 45 or 75 degrees

16. Objects that are symmetric can be shown effectively using this type of section

 (a) quarter section

 (b) half section
 (c) full section
 (d) symmetric section

17. In this type of section, one quarter of the object is removed

 (a) revolved section

 (b) removed section
 (c) quarter section
 (d) half section

18. This type of section is limited by a break line

 (a) removed section

 (b) revolved section
 (c) broken-out section
 (d) half section

19. This type of section is not in direct projection from the view containing the cutting plane

 (a) revolved section

 (b) removed section
 (c) broken-out section
 (d) full section

20. An axonometric projection in which three perpendicular edges of the object make
different angles with the plane of projection is called

 (a) isometric projection

 (b) diametric projection
 (c) trimetric projection
 (d) oblique projection

1C 2C 3C 4D 5A 6B 7A 8B 9B 10A 11B 12A 13B 14A 15C 16B 17D 18C 19A 20C

1 Questions
 How many views can
there be on an
six
orthographic projection?

2 The name and

What information is given
address of the
in the title block of an
company who made
aircraft drawing?
the part

3 Where is the title block In the lower right

normally located on an hand corner of the
aircraft drawing? drawing

4 How can you know that

the aircraft drawing you
By the number in
are using is the most
the revision block
current version of the
drawing?

5 What is a fuselage station The distance inches

number? from the datum

6 A reference line to
the right or left of
What is a butt line?
center line of the
aircraft

7 A drawig that
What is a detail drawing?
inludes

8 What is an assembly
drawing?

9 What is an installation
drawing?

10 What type of drawing is

most helpful in
 troubleshooting a
system?

11 What is a block diagram?

12 How are dimensions

shown on an aircraft
drawing?

13 What is the purpose of a

sketch of a repair?

14 What are the four steps in

making a sketch?

15 What is the purpose of a

center line on an aircraft
drawing?

Answers 1 Six.

The name and address

2 of the company who
made the part

In the lower right-hand

3
corner of the drawing.

By the number in the

4
revision block

The distance in inches

5
from the datum

A reference line to the

6 right or left of the center
line of the aircraft.
 A drawing that includes
all the information
7
needed to fabricate the
part.

A drawing that shows all

the components of a
part in an exploded
8
form. A parts list is
included with an
assembly drawing.

A drawing that shows

the location of the parts
9
and assemblies on the
complete aircraft.

10 A schematic diagram.

A drawing that shows

the various functions of
11 a system by a series of
blocks. These blocks do
not include any detail

By numbers shown in
12 the break of a
dimension line.

It shows a specific bit of

information and
13 includes the minimum
amount of detail needed
to manufacture the part.

Block in the space and

14 basic shape used for
the sketch.
 It divides a part into
15
symmetrical halves.
1. Technical drawings require use of standards to communicate worldwide.

2. Idea or concept sketches are usually not considered to be technical drawings.

3. Computation and design sketches may be considered to be technical drawings.

4. Before other communication methods developed, people informed themselves through

visual means, including pictures.

5. Graphic representation has developed along two distinct lines, engineering and technical.

6. Personal or cultural expression in design is often referred to as functional design.

7. Enhancing product development is considered aesthetic design.

8. The procedure for designing products typically follows a process.

9. Traditionally, design and manufacturing activities have taken place in sequential order.

10 Product design often involves preparing analytical and physical models of the product.
.
11 Drawings and specifications typically do not control details of maintenance.
.

12 Using drawings to represent the design of objects to be built or constructed is a relatively

new concept.
.

13 The engineering design process can address society's needs.

.

14 In the design process, it is generally never necessary to return to a previous stage and
repeat the process.
.

15 Traditional, sequential engineering design is a logical approach, but in practice it can often
be wasteful.
.

16 Life cycle design means that all aspects of a product are considered simultaneously.
.

17 Product data management (PDM) systems and enterprise data management (EDM)
systems tend to slow retrieval of product date.
.

18 Nearly all designs require compromises to meet budget constraints, marketing objectives,
and other considerations.
.

19 Freehand sketches capture and document the ideations process.

.
 20 DFSS is an approach that uses engineering and statistical tools to design products in a
way that predicts and minimizes customer and manufacturing problems.
.

21 3D CAD models cannot act as a virtual prototype.

.

22 Rapid prototype models can actually be used as a production product.

.

23 A coordinate measuring machine (CMM) aids in speeding the time to reverse engineer
some products.
.

1T 2F 3T 4T 5F 6F 7F 8T 9T 10T 11T 12F 13T 14F 15T 16T 17F 18T 19T 20T 21F 22F
23T

1. Drawings are two-dimensional representations of objects that allow you to

record sizes and shapes precisely.

2. Any object can be viewed from six mutually perpendicular views.

3. A total of three principal views are arranged in a standard way.

4. The rear, left-side, front, and right-side views align horizontally.

5. Any principal view shows three of the four principal dimensions.

6. Width is shown in the rear, top, front, and bottom views.

7. Height is shown in the left-side, top, right-side, and bottom views.

8. The profile plane is the plane upon which the side view is projected.

9. The depth dimensions in the top and side views do not necessarily
correspond.

10. Usually screws, bolts, shafts, tubes, and other elongated parts are drawn in a
vertical position in the front view.

11. First-angle projection is primarily used in Europe and Asia.

12. In orthographic views, dashed lines represent features that would be hidden
behind other surfaces.

13. Visible lines always take precedence over hidden lines or centerlines.
14. A plane surface that is parallel to a plane of projection appears on edge as a
straight line.

15. A right triangle has more than one 90 degree angle.

16. A plane surface always projects either on edge or as a surface in any view.

17. Concentric circles do not share the same center.

18. An object snap (OSNAP) Tangent (TAN) will snap to the center of a circle

19. A normal surface is perpendicular to a plane of projection.

20. An object snap (OSNAP) Midpoint (MID) will snap to the Node point on a line.

21. A quadrilateral is bounded by three or more sides.

22. If an edge is perpendicular to a plane of projection, it appears as a point.

23. By using a combination of the standard 30-60 and 45 degree triangles,

various angles can be drawn in 15 degree increments.
24. If an angle is in an inclined plane, it may be projected either larger or smaller
than the true angle depending on its position.

25. Each side of a hexagon is equal to the radius of the circumscribed circle.

Answers TTFTF TFTFF TTTFF TFFFF FTTTT

The top, front, and bottom views align in this manner:

Horizontally

Vertically

According to the planar views

Parallel to the frontal plane

This is the plane upon which the top view is projected:

Horizontal

Frontal

Profile

Base

An advantage of this type of view is that each view shows the object all
the way through as if it were transparent:
Planar

Horizontal

Auxiliary

Orthographic

This line pattern is composed of three dashes, one long dash on each
end with a short dash in the middle:
Object

Hidden

Center

Phantom
If a plane is parallel to the plane of projection, it appears:

True size

As a line or edge

Foreshortened

As an oblique surface

This type of surface is tipped to all principal planes of projection and

does not appear true size in any standard view:
Foreshortened

Parallel

Orthographic

Oblique

Which of the following is true about using a T-square?

The working edge of the T-square must be straight for accurate drawings.

The working edge of the T-square head must be straight or the T-square will rock.

Always test the T-square for accuracy.

All of the above

Which of the following object snaps (OSNAP) will keep the CAD
draftsperson accurate while drawing?
Tangent (Tan)

Endpoint (End)

Quadrant (Qua)

All of the above

Which of the following object snaps (OSNAP) will snap to the middle of a
circle?
Tangent (Tan)

Endpoint (End)

Quadrant (Qua)

Center (Cen)

Which of the following might save time in creating an ellipse on a hand

sketched drawing?
Object snap (OSNAP) endpoint

An ellipse template

An eraser shield

A straight edge

None of the above

A plane figure bounded on three sides with internal angles that total 180
degrees is known as a?
Pyramid

Triangle

Parallelogram

A figure that is a closed curve and has all points an equal distance from
a point called the center is a?
Secant

Segment

Circle
 A triangle that has two sides equal and two angles equal is known as
a(n)?
Right triangle

Scalene triangle

Isosceles triangle

A device used for measuring or setting off angles is called a?

Protractor

Scale

Calipers

Horizontal lines are typically drawn with an instrument called a?

Triangle

Protractor

T-square

ANSWERS

1 Vertically 11 Pyramid

2 Horizontally 12 Circle

3 Orthographic 13 Isosceles Triangle

4 Center 14 Protractor

5 True Size 15 T-Square

6 Oblique

7 All

8 All

9 Center

10 An Ellipse Template

1 The three principal dimensions of an object are:

.

2 List two of the characteristics of the front view of an object:

.

3 List two things that a centerline may be used for in orthographic views:
.

4 List the three possible meanings of a straight, visible, or hidden line in a sketch:
.

5 Describe the advantage of using object snaps for finding the center of a circle if drawing
with CAD.
.

6 What information must be known in order to draw an arc tangent to two other arcs?
.
7 Define the major and minor axis of an ellipse.
.

8 Define the term tangent.

.

9 List four types of quadrilaterals.

.

Answers

1
.

Width
Height
Depth

2
.

The front view should:

Show a large surface of the part parallel to the front
viewing plane
Show the shape of the object clearly
Show the object in a usual, stable, or operating position

3
.

Show the axis of symmetry of a feature or part

Indicate a path of motion
Show the location for bolt circles or other circular patterns
4
.

An edge between two surfaces

The edge view of a surface
The limiting element of a curved surface

5
.

AutoCAD provides an Object Snap mode that finds the center

of a circle.

6
.

The given radius of the arc to be drawn and The given radius of
the arc to the two corresponding arcs

7
.

The long axis is the major axis and the short axis is the minor.

8
.

Where two lines, either straight or curved, meet at one point

and one point only.

9
.

Square; Rectangle; Rhombus; Rhomboid; Trapezoid; Trapezium

This activity contains 15 questions.

The top, front, and bottom views align in this manner:

Horizontally

Vertically

According to the planar views

Parallel to the frontal plane

This is the plane upon which the top view is projected:

Horizontal

Frontal

Profile

Base

An advantage of this type of view is that each view shows the object all
the way through as if it were transparent:
Planar

Horizontal

Auxiliary

Orthographic

This line pattern is composed of three dashes, one long dash on each
end with a short dash in the middle:
Object
 Hidden

Center

Phantom

If a plane is parallel to the plane of projection, it appears:

True size

As a line or edge

Foreshortened

As an oblique surface

This type of surface is tipped to all principal planes of projection and

does not appear true size in any standard view:
Foreshortened

Parallel

Orthographic

Oblique

Where might one find third angle projection standards in the United
States?
AWS 131.5

ASME section XXI

API 1109

ANSI/ASME Y14 3M-2003

The view with the best overall shape/profile of the object should be the
______________ view.
 Top

Front

Right Side

Back

A good rule to follow regarding spacing between views

is____________________.
Space as close as possible.

Space as far as paper will allow.

Always make the lines touching the other views.

Views should be spaced well apart but close enough to appear related to each other.

How many views should a sketch contain?

Only the number of views needed to clearly and completely describe the object.

Always a few extra views to assure full definition.

One view only.

Four views.

The system of a number of systematically arranged views is known as?

Orthographic projection

Multiview projection

Arranged views

The six standard views are known as?

 Principal views

Glass box views

Projection views

First angle projection is commonly used in?

United States and Canada

Europe and Asia

Latin America

Surfaces that are placed parallel to a plane of projection are known as?

Oblique surfaces

Incline surfaces

Normal surfaces

The intersection of two plane surfaces produces an?

Edge

Oblique side

Parallel edge
This activity contains 12 questions.

When creating a full-section view from a 3D CAD model you often need
to define:
The cutting plane

The viewing direction

The scale

Where to place the view on the sheet

 All of the above

"Conventional breaks" are used to_______________________________.

break the use of a line

shorten the view of an object that is too long to show clearly

give the draftsperson some time to study the drawing

All of the above

Partial views may be used to _________________________________ .

save space on the paper, or to save time

break the use of a line

display only some of the required information needed to complete the part.

None of the above

This type of section is limited by a break line:

Removed section

Revolved section

Broken-out section

Half section

This type of section is not in direct projection from the view containing
the cutting plane:
Revolved section

Removed section
 Broken-out section

Full section

In offset sections, offsets or bends in the cutting plane are all:

90 degrees

180 degrees

Either 90 or 180 degrees

30, 60, or 90 degrees

These breaks are used to shorten the view of an object:

Section breaks

Aligned breaks

Conventional breaks

Full breaks

When a part is cut fully in half, the resulting view is called a?

Complete section

Full section

Whole section

Cutting planes are labeled with?

Arrows

Capital letters
 Section symbols

The general purpose section lining symbol of ___ material may be used to
represent any material on a drawing.
Steel

Bronze or brass

Cast iron

This type of section is used to represent section views when an object is

symmetric.
Offset section

Full section

Half section

Complex objects that have several features to describe are normally

described with this type of section.
Full

Aligned

Offset

This activity contains 12 questions.

This is the total amount that the feature on the actual part is allowed to
vary from what is specified by the dimension:
Allowance

Tolerance

Specification

Difference
This is a line terminated by arrowheads, indicating the direction and
extent of a dimension:
Dimension line

Extension line

Arrowhead line

Centerline

This is a thin solid line directing attention to a note or dimension and

starting with an arrowhead or dot:
Dimension line

Extension line

Leader

Specification

In U.S. structural and architectural drafting, all dimensions of this length

are usually expressed in feet and inches:
One inch or over

One foot or over

One yard or over

One rod or over

A circular arc is dimensioned in the view where you see its true shape by
giving the value for its:
Diameter

Arc length

Radius

Chord length
This is used to indicate that a surface is to be machined:

Finish mark

Machining mark

Roughness indicator

Coordinate mark

In this type of dimensioning, allowance must be made for bends:

Angular

Tolerance

Datum

Sheet metal

A line that is solid and terminated by an arrowhead and indicates the

direction and extent of a dimension is a(n)?
Extension line

Dimension line

Leader

A method used to show both metric and decimal-inch dimensions is

known as?
Multidimensional

Partial dimensioning

Dual dimensioning
 To indicate that a surface is to be machined or finished, it is customary
to use?
Surface notes

Finish marks

Finish dimensions

When using location dimensions and a greater degree of accuracy is

required, one should use?
Coordinate dimensions

Geometric dimensions

Chain dimensions

Thread dimensions are achieved by the use of?

Coordinate dimensions

Local notes

Reference dimensions

This activity contains 12 questions.

Acceptable parts must not extend beyond this:

Boundary limits

Hole limits

Specification

Tolerances

When lines intersect on a drawing at angles of this many degrees, it is

customary not to dimension the angle:
360

180

90

45

This is the term for the range of tightness or looseness resulting from
the allowances and tolerances in mating parts:
Limits

Fit

Specifications

Allowance

This is the theoretically exact size from which limits of size are
determined:
Actual Size

Dimensioned size

Production size

Basic size

This is the measured size of a finished part:

Actual size

Dimensioned size

Production size

Basic size
This means that a feature of a finished product contains the maximum
amount of material permitted by the toleranced dimensions for that
feature:
Maximum material condition

Machined material condition

Maximum machined indication

Machine mark indication

This practice considers an individual part's dimensions and tolerances

and that part's relation to its related parts:
Applying allowances

Geometric dimensioning and tolerancing

Creating datum references

Angular dimensioning tolerances

A method of directly specifying tolerance by providing dimensions for

the upper and lower limits of a feature is known as:
Bilateral

Plus or minus

Limit

A fit for an internal part that fits into an external part space is known as:

Interference fit

Transition fit

Clearance fit
A dimension that is used for a general identification or designation of a
size is known as:
Basic size

Nominal size

Actual size

A dimension style or type that uses the end of one dimension as the
beginning of the next is known as:
Chained dimension

Unidirectional

Aligned

A dimension style or type that locates a series of features from a

common base feature is known as:
Unidirectional

Bilateral

Baseline

These are groups of components of a larger machine:

Subassemblies

External assemblies

Component assemblies

Major assemblies

These drawings are given to contractors to perform work or manufacture

individual parts:
Assembly details

3D drawings
 Working drawings

Skeleton assemblies

In these drawings it is necessary to show cut surfaces and distinguish

between adjacent parts:
Auxiliary drawings

Assembly sections

3D assemblies

Parts lists

In working drawings, these show all necessary information not given

directly on the drawing with its dimensions and notes:
Document strips

Portable documents

Formatting forms

Title and record strips

An accurate record of changes made to released drawings is tracked via

this:
A revision block

The basic title form

Working drawings

Portable documents

This should show what changes were made, when, and by whom:

Portable document
 Record of revisions

Title form

Revision drawings

In an assembly section, these parts should have their section lines left
out or shown solid black:
Bolts

All fasteners

Thin parts

Rivets

Drawings of individual parts are called _____.

a. Assembly drawings
b. Working drawings
c. Part drawings
Assembly drawings

Working drawings

Part drawings

These are used to identify the parts in the assembly drawing.

Call outs

Balloon numbers

Identifiers

Drawings of assemblies made specifically to show how to install or erect

a machine or structure are called:
Working drawings
 Installation assemblies

Part assemblies

A part of the drawing that itemizes the parts of a structure is the _____.

Bill of material

Subassemblies

Detail drawings

Changes on drawings are an important part of the manufacturing

process, and an accurate record is provided by the use of:
Drawing revision number

Notes

Part listing

Multiple Choice

This activity contains 10 questions.

In perspective drawings this is placed between the observer and the

object:
Vanishing point / horizon

Station point

Ground line

Plane of projection / picture plane

This is the intersection of the ground plane with the picture plane:
 Vanishing point

Ground line

Station point

Horizon

When positioning this feature of perspective projection, the centerline of

the cone of visual rays should be directed toward the approximate
center of the object:
Station point

Vanishing point

Horizon

Ground line

Perspective drawings are classified according to their number of these

features:
Station points

Picture planes

Vanishing points

Ground lines

Two-point perspective is also known as:

Two-view perspective

Regular perspective

Parallel perspective

Angular perspective
Most objects are defined principally by:

Edges or straight lines

Outstanding features

Planes

In perspective drawings the position of the observer's eye is called the:

Bird's eye

Station point

Picture plane

Shading of pictorial drawing is usually done for this type of drawing.

Patent

Working

Assembly

Historically, perspective drawings are used more for this type of

application.
Mechanical design

Architectural design

Civil engineering design

An intersection of the ground plane with the picture plane is known as:
 Hinge line

Picture plane

Ground line

This activity contains 12 questions.

When creating a full-section view from a 3D CAD model you often need
to define:
The cutting plane

The viewing direction

The scale

Where to place the view on the sheet

All of the above

"Conventional breaks" are used to_______________________________.

break the use of a line

shorten the view of an object that is too long to show clearly

give the draftsperson some time to study the drawing

All of the above

Partial views may be used to _________________________________ .

save space on the paper, or to save time

break the use of a line

display only some of the required information needed to complete the part.

None of the above

This type of section is limited by a break line:

Removed section

Revolved section

Broken-out section
 Half section

This type of section is not in direct projection from the view containing
the cutting plane:
Revolved section

Removed section

Broken-out section

Full section

In offset sections, offsets or bends in the cutting plane are all:

90 degrees

180 degrees

Either 90 or 180 degrees

30, 60, or 90 degrees

These breaks are used to shorten the view of an object:

Section breaks

Aligned breaks

Conventional breaks

Full breaks

When a part is cut fully in half, the resulting view is called a?

Complete section

Full section

Whole section
 Cutting planes are labeled with?
Arrows

Capital letters

Section symbols

The general purpose section lining symbol of ___ material may be used to
represent any material on a drawing.
Steel

Bronze or brass

Cast iron

This type of section is used to represent section views when an object is

symmetric.
Offset section

Full section

Half section

Complex objects that have several features to describe are normally

described with this type of section.
Full

Aligned

Offset

ANSWERS

1. All of the
above
2.

: shorten the
view of an
object that
is too long
to show
clearly

3. .

save space
: on the
paper, or to
save time

4.

:
: Broken-out
section

5.

: Removed
section

6.

90 degrees
:

7.
 : Conventiona
l breaks

8.

: Full section

9.

: Capital
letters

10
.

: Cast iron

11 : Half
section
.

12
.

: Offset

QUESTIONS

1. The three principal dimensions of an object are:

2. List two of the characteristics of the front view of an object:

3. List two things that a centerline may be used for in orthographic views:

4. List the three possible meanings of a straight, visible, or hidden line in a

sketch:

5. Explain why the process of visualization is important to technical drawing

6. What type of views does most 3D CAD software allow you to configure?

7. List the three principal dimensions of an object.

8. List the three principal planes that the three principal views are projected
onto.

9. List five considerations for the establishment of the front view.

10 List the precedence of line.

.

11 List the three interpretations of a straight line.

.

1. The three principal dimensions of an object are:

Width
Height
Depth

2. List two of the characteristics of the front view of an object:

The front view should:

Show a large surface of the part parallel to the front viewing
plane
Show the shape of the object clearly
Show the object in a usual, stable, or operating position
3. List two things that a centerline may be used for in orthographic views:

Show the axis of symmetry of a feature or part

Indicate a path of motion
Show the location for bolt circles or other circular patterns

4. List the three possible meanings of a straight, visible, or hidden line in a sketch:

An edge between two surfaces

The edge view of a surface
The limiting element of a curved surface

5. Explain why the process of visualization is important to technical drawing

you must be able interpret multiple views to picture the object that
they show

6. What type of views does most 3D CAD software allow you to configure?

either third-angle or first-angle projections

7. List the three principal dimensions of an object.

Width, height, and depth

8. List the three principal planes that the three principal views are projected onto.

Frontal, horizontal, profile

9. List five considerations for the establishment of the front view.

 Show a large surface of the part parallel to the frontal plane; The
front view should show the shape of the object clearly; The front
view should show the object in its normal operating position; When
possible a machine part is drawn in the orientation it occupies in
the assembly; Normally screws, bolts, shafts, and tubes are shown
in a horizontal positon

10 List the precedence of line.

.

Visible; Hidden; Center

11 List the three interpretations of a straight line.

.

An edge view; Intersection of two surfaces; A curved surface