1. Draw hexagonal prism of side 20mm and height 40mm has a
square hole of side16mm at the centre. The axis of the of
square hole and hexagonal prism coincide One of the faces of
the square hole is parallel to a face of the prism Draw isometric
projection of the prism with hole to full scale
Engineering Drawing as Per JNTU /Engineering
Graphics as per Anna University question in
step by step process solved, such explanation is
not available In any Text book
Prof.S.Rajendiran

2. X Y
Draw XY line
Prof.S.Rajendiran

3. 20
X Y
Draw hexagon keeping
the side as shown with
given dimension
Prof.S.Rajendiran

4. 40
a’
b c
d
ef
a
b’(f’) c’ (e’)
d’
e’
(e)
(f) (g)
(h)
(i)(j)
f’ (j’) g’ (i’) (h')
X Y
Draw front view
and Name the
points as shown
Prof.S.Rajendiran

5. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
20
X Y
Draw the square as
shown
Prof.S.Rajendiran

6. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
Enclose the top
view with square
as shown
Prof.S.Rajendiran

7. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
Draw a
horizontal line
as shown
Prof.S.Rajendiran

8. 300
300
c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
Draw lines with 300 to
horizontal line as shown Prof.S.Rajendiran

9. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
1
a
2
b
c
3
d
e
4
f
Transfer the point with
dimension as shown Prof.S.Rajendiran

10. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
1
a
2
b
c
3
d
e
4
f
Join the points as
shown
Prof.S.Rajendiran

11. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
1
a
2
b
c
3
d
e
4
f
Draw a vertical line to
he height of the prism
as shown
40
Prof.S.Rajendiran

12. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
1
a
2
b
c
3
d
e
4
f
Transfer view as
shown
2
1 3
4
e f
g
h
i
j
Prof.S.Rajendiran

13. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
1
a
2
b
c
3
d
e
4
f
2
1 3
4
e f
g
h
i
j
Prof.S.Rajendiran

14. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
1
a
2
b
c
3
d
e
4
f
2
1 3
4
e f
g
h
i
j
Transfer
the
square as
shown

15. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
2
1 3
4
e f
g
h
i
j
Draw a
vertical
line as
shown
Prof.S.Rajendiran

16. c
d
e
a (e)
(f) (g)
(h)
(i)(j)f
b
a’ b’(f’) d’
e’` f’ (j’) g’ ( i’) (h')
1
2 3
4
X Y
e
f
g
h
f
i
j
a
b
c
d
e
f
ISOMETRIC PROJECTION
Prof.S.Rajendiran