MA2005
Engineering
Graphics
by
A/P LIM C.S. and A/P TOR S.B.
MA2005
M1 to M5
Tutorials
A/P LIM Choon Seng
Office: N3-02b-48
Phone: 6790 5538
mcslim@ntu.edu.sg
M1 – Orthographic Projection
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
Do ONE question only
Draw full size the following views with hidden detail in
First Angle projection (for Q1 to Q3) & Third Angle proj
(for Q4 to Q6) and no dimensioning is required:
y a front elevation looking in the direction of the arrow
y a plan projected from the front elevation
y an end view positioned on the left (for Q1 to Q3) and
on the right (for Q4 to Q6) of the front elevation
Page 3 of 40
M1 – Q1
M1 – Q2
A/P LIM C.S.
ELEVATION
Engineering Graphics
M1 to M5 Tutorials
ELEVATION
Page 4 of 40
M1 – Q3
M1 – Q4
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
ELEVATION
ELEVATION
Page 5 of 40
M1 – Q5
M1 – Q6
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
•
ELEVATION
ELEVATION
Page 6 of 40
M2 – Sectional View
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Do ONE question only
• Draw full size the following views in First Angle
projection (for Q1 to Q3) and Third Angle projection
(for Q4 to Q5)
• No dimensioning & no hidden details are required
Page 7 of 40
M2 – Q1
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
A plan and front elevation
of a intermediate casing are
shown. Draw full size the
following views in First
Angle projection:
• A sectional front elevation
on AA
• A sectional plan on BB
• An end view looking on
the 20 mm diameter boss.
Page 8 of 40
M2 – Q2
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
A plan and front elevation
of a indicator sleeve are
given. Draw full size in First
Angle projection, the
following views:
• The given front elevation
• A sectional plan on BB
• A sectional end view on
AA
Page 9 of 40
M2 – Q3
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Draw full size in First
Angle projection the
following views of the
double mounting
bracket:
• The given plan
• A sectional front
elevation on AA
• A sectional end view
on BB
Page 10 of 40
M2 – Q4
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
y a plan
y a sectional front
elevation through
both the ‡20
slots
y a sectional end
view through the
left ‡32 hole
positioned on the
right of the front
elevation
Page 11 of 40
M2 – Q5
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
y a plan
y a sectional
front elevation
through the
‡20 hole
y an end view
positioned on
the right of the
front elevation
Page 12 of 40
M2 – Q6
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
y a plan
y an offset sectional
front elevation
(choose the best cutting
plane)
y a sectional end
view through the
centre of the
‡12.5 hole
positioned on the
right of the front
elevation
M3 – Auxiliary Projection
A/P LIM C.S.
Page 13 of 40
Engineering Graphics
M1 to M5 Tutorials
Do two questions
• one question from Section A and
• another question from Section B
For Section A, M3-Q1 to M3-Q5:
Draw full size the three views in First Angle Projection of
the triangle on the given planes.
Page 14 of 40
(Section A) M3 – Q1
M3 – Q2
A/P LIM C.S.
ELEVATION
Engineering Graphics
M1 to M5 Tutorials
ELEVATION
Page 15 of 40
(Section A) M3 – Q3
A/P LIM C.S.
ELEVATION
M3 – Q4
Engineering Graphics
M1 to M5 Tutorials
ELEVATION
Page 16 of 40
(Section A) M3 – Q5
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
ELEVATION
M3 – Q6 (Section B)
A/P LIM C.S.
Page 17 of 40
Engineering Graphics
M1 to M5 Tutorials
The given views show a
right hexagonal pyramid
which is cut by the plane SS.
Draw in First Angle
projection the lower portion
of the pyramid and project
from it a plan. Using these
views project a first auxiliary
plan to show the true shape
of the cut face and a first
auxiliary elevation on X1Y1.
Page 18 of 40
M3 – Q7 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
A small bracket is
shown in plan and
elevation. Draw in
First Angle projection
the given views and
project from them a
first auxiliary
elevation on X1Y1 and
a first auxiliary plan
on X2Y2.
Page 19 of 40
M3 – Q8 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
The elevation and
plan of a machined
block are given. Draw
in First Angle
projection these
views and project
from them a first
auxiliary plan on X1Y1
and a first auxiliary
elevation on X2Y2.
Page 20 of 40
M3 – Q9 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
The given views show
a component in plan
and elevation. Draw
in Third Angle
projection these
views and project
from them a first
auxiliary elevation on
X1Y1 and a first
auxiliary plan on X2Y2.
Page 21 of 40
M3 – Q10 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Views are given of a
machined detail. Draw
them in Third Angle
projection and project
a first auxiliary
elevation on X1Y1 and
first auxiliary plan on
X2Y2.
Page 22 of 40
M4 – Isometric Drawing
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
Do ONE question only
• Draw full size the isometric drawings of the given
objects with the corner marked A as the lowest point
on the drawing.
In some questions, you have to draw partial of the
orthographic views so that the isometric drawing can be
completed.
Page 23 of 40
M4 – Q1
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
105
65
10
15 15
75
25
10
5
145
40
A
A
Page 24 of 40
M4 – Q2
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
A
100
A
Page 25 of 40
M4 – Q3
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
5
15
70
20
30
20
15
15
A
5
160
15
75
15
15
A
Page 26 of 40
M4 – Q4
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
30
Page 27 of 40
M4 – Q5
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
55
30
40
65
A
300
15
20
A
40
Page 28 of 40
M4 – Q6
Engineering Graphics
M1 to M5 Tutorials
A/P LIM C.S.
30
80
30
20
A
80
50
20
80
30
20
A
Page 29 of 40
M5 – Development of Surfaces
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Do two questions
• one question from Section A and
• another question from Section B
Do not draw the seam allowance for all the
questions in this tutorial.
Page 30 of 40
M5 – Q1 (Section A)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
closed prism by parallel
line method.
Given:
• W = 45mm, H = 75mm
• Seam is at A.
• Top to hinge at B-C
• Bottom to hinge at C-D
Page 31 of 40
M5 – Q2 (Section A)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
closed prism by parallel
line method.
Given:
• W = 45mm, H = 75mm
• Seam is at A.
• Top and bottom to hinge
at D-E
Page 32 of 40
M5 – Q3 (Section A)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
prism with open
ends by parallel line
method.
Page 33 of 40
M5 – Q4 (Section A)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
closed pyramid by
radial line method.
• Seam is at A-1.
• Top is hinged at A-B
• Bottom is hinged at
1-2
Page 34 of 40
M5 – Q5 (Section A)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
closed pyramid by
radial line method.
• Seam is at A-1.
• Top is hinged at A-B
• Bottom is hinged at
1-2
Page 35 of 40
M5 – Q6 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
transition piece by
triangulation
method.
Page 36 of 40
M5 – Q7 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
transition piece by
triangulation
method.
Page 37 of 40
M5 – Q8 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
transition piece
with the joint lines
on aa by
triangulation
method.
Page 38 of 40
M5 – Q9 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size
the transition
piece with the
joint lines on aa
by triangulation
method.
Page 39 of 40
M5 – Q10 (Section B)
A/P LIM C.S.
Engineering Graphics
M1 to M5 Tutorials
Develop full size the
transition piece
with the joint lines
on aa by
triangulation
method.
Page 40 of 40