ASSIGNMENTS

DEPARTMENT OF MECHANICAL ENGINEERING

RBU, SAHAURAN
Subject: Engineering Drawing Date of issue__________
Faculty: RAMINDER SINGH Branches=All, Semester:

ASSIGNMENT No.1 Marks=2

INTRODUCTION TO ENGG.DRG
Q.1Write alphabets A-Z in uppercase gothic lettering with letters height 28mm.
Q.2 Write numerals 0-9 in uppercase gothic lettering with letters height 35mm.
Q.3 Write your name in uppercase gothic lettering with letters height 21mm.

Sample of Upper case Gothic Lettering

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Q.4 Draw table of all types of lines on drawing sheet.

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Q.5 Draw table of all types of conventions on drawing sheet.

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 Assignment No.2 Marks=2
Projection of Points
Qes1. Draw the projections of following points.
a) 20 mm above HP and 30 mm behind VP
b) 25 mm below HP and 25 mm infront of VP
c) 25 mm below HP and 30 mm behind of VP
d) 25 mm above HP and 20 mm in front of VP
e) In VP and 30 mm below HP
f) In HP and in VP
g) In HP and 25mm behind VP
Qes2. Draw the projections of the following points:
 E, in HP and 40mm infront of the VP
 F, in VP and 30mm above the HP
 G, in VP and 30mm below the HP
 H, in HP and 25mm behind the VP
 I, both in HP and VP

Assignment No.3 Marks=2

Projection of Lines
Draw the projections of the following lines:
Case 1.Line parallel to both HP and VP
Ques.1 A line AB, 50mm long has its end A 30mm away from the HP and 20mm away from the
VP. The line is parallel to both HP and VP. Draw its projections in all the four quadrants.
Case.2.Line inclined to one plane and parallel to the other
Case. 2.1 Line inclined to the HP and parallel to the VP
Ques.2 A line AB, 50mm long, has its end A is 25mm away from the HP and 15mm away from
the VP. The line is inclined to the HP at30° and parallel to the VP. Draw its projections in all the
four quadrants. Assume that the whole of the line lies in the same quadrant.
Case.2.2 Line inclined to the VP and parallel to the HP
Ques.3 A line AB, 50mm long, has its end A is 25mm away from the HP and 15mm away from
the VP. The line is inclined to the VP at 30°,and parallel to the HP. Draw its projections in all the
four quadrants. Assume that the whole of the line lies in the same quadrant.
Case.3 Line perpendicular to one of the planes
Case.3.1 Line perpendicular to the HP
Ques.4 A line AB, 40mm long, is perpendicular to the HP and its end A is 15mm away from the
HP and 10mm away from the VP. Draw its projections in first and third quadrants. Assume that
the whole of the line lies in the same quadrant.
Case.3.2 Line perpendicular to the VP
Ques.5 A line AB, 40mm long, is perpendicular to the VP and its end A is 15mm away from the
HP and 10mm away from the VP. Draw its projections in first and second quadrants. Assume
that the whole of the line lies in the same quadrant.

Case.4 Line contained by one or both of the principal planes

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 Case.4.1 Line contained by the HP
Ques.6 A line EF, 50mm long, is contained by HP and is inclined at 45° to the VP, has its end E
10mm infront of the VP. Draw its projections.
Case.4.2 Line contained by the VP
Ques.7 A line EF, 40mm long, is contained by VP and is perpendicular to the HP, has its end E
10mm away from the HP. Draw its projections in 1st and 3rd quadrants only.
Case.4.3 Line contained by both HP and VP
Ques.8 A line AB 50mm long is contained by both HP and VP. Draw its projections.
Assignment No.4 Marks=2
Projection of planes
Case 1.Plane parallel to H.P and perpendicular to V.P.
Q.1 A square lamina ABCD of 30mm side is parallel to H.P. and is 15mm from it. One of its
side is 10 mm infront of V.P. Draw its projections in first quadrant.
Q.2 A regular hexagonal lamina, of side 25mm,rests on H.P. such that one of its sides is
perpendicular to V.P. Centre of the plane is 40mm infront of V.P. Draw its projections in first
quadrant.
Q.3 A regular hexagonal lamina of side 25mm is parallel to H.P. and 15mm from it. Draw its
projections when a side is inclined at 45° to the V.P.
Q.4 An equilateral triangle of side 30mm is lying on the H.P. It is placed in such a way that one
of the corners of the triangle is 15mm infront of the V.P. and the side containing that corner is
inclined at 45° to the V.P. Draw its projections.
Case 2.Plane parallel to V.P and perpendicular to H.P.
Q.5 A regular pentagonal lamina ABCDE 25mm side, has its side CD lies on H.P. Draw its
projections when its plane is parallel to and 15mm infront of V.P.
Case 3.Plane perpendicular to both V.P & H.P.
Q.6 A regular hexagonal plane having sides 25mm each is perpendicular to both V.P & H.P. One
of its corner is 10mm above H.P. Draw its projections.
Case 4 .Plane inclined to V.P and perpendicular to H.P.
Q.7. A regular hexagonal lamina ABCDEF of 20mm side ,rests on H.P. on one of its sides say
BC such that it is perpendicular to the H.P. and inclined to V.P. at 30°. Draw its projections.
Q.8 A thin circular plate of 50mm diameter is held such that its plane is inclined at 30° to V.P.
and perpendicular to H.P. A point on its circumference is 20mm infront to V.P. and 30mm above
H.P. Draw its projections.
Case 5.Plane inclined to H.P and perpendicular to V.P.
Q.9. A rectangular lamina ABCD of 50mm x 30mm is inclined to H.P. at 45° and perpendicular
to V.P. It rests on one of its sides say AB in H.P. Draw its projections in first quadrant.
Q.10 A regular pentagonal lamina ABCDE of 25mm side has one side on H.P. Its surface is
inclined at 45° to the H.P. and perpendicular to the V.P. Draw its projections.
Case 6.Plane inclined to both V.P & H.P.
Q.11 A rectangular lamina ABCD of 60mm x 30mm has its side AB in H.P. and inclined at 45°
to V.P and the plane is inclined at 60° to the H.P. Draw its projections.
Q.12 A regular pentagonal lamina ABCDE of 30mm side, rests on H.P. on one of its sides such
that it is inclined to the H.P. at 45° and the side on which it rests, inclined at 30° to the V.P.
Draw its projections.

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Q.13 A thin circular plate of 50mm diameter and negligible thickness rests on H.P. on its rim and
makes an angle of 45° to it. One of its diameters is inclined to V.P. at 30° Draw its projections
keeping distance of the centre of the circular plate 35mm infront of the V.P.

Assignment No.5 Marks=3

Projection of Solids
Case 1. Axis perpendicular to the H.P. and parallel to V.P.
Q.1 Draw a regular hexagon of 25mm side in the top view, keeping one of its base edges
perpendicular to xy. Through the centre O , project the apex or vertex O’,50mm from xy.
Q.2 Draw the projections of pentagonal prism of 25mm base edge in the top view, with a base
edge 5-1 inclined at 30° to xy.Take axis height 60mm.
Q.3 A right regular pentagonal pyramid, edge of base 25 mm and height 60mm long, having one
of its base edges perpendicular to V.P., with its axis perpendicular to H.P. Draw the three views
of the pyramid.
Q.4 A cube of 35mm edge is resting on the H.P. on one of its faces, with a vertical face inclined
at 30° to V.P. Draw the three views of the cube.
Case 2. Axis perpendicular to the V.P. and parallel to H.P.
Q.5 A right regular hexagonal prism, side of base 25mm and axis 60mm long, lies on one of its
rectangular faces on H.P. with its axis perpendicular to V.P. Draw its projections.
Q.6 A right regular hexagonal pyramid, edge of base 25 mm and height 60mm long , has its
base parallel to and 20mm infront of V.P. One of its base edge lies in H.P. Draw its projections.
Q.7 A right regular pentagonal prism, side of base 25mm and axis 60mm long, lies on one of its
rectangular faces on H.P. with its axis perpendicular to V.P. Draw its front, top, and side views.

Case 3. Axis parallel to both V.P. & H.P.

Q.8 A right regular hexagonal prism, edge of base 30mm and length 50mm, lies on one of its
rectangular faces on H.P, Such that its axis is parallel to both H.P. and V.P. Draw its projections.
Q.9 A triangular prism, side of base 25mm and axis 50mm long, lies on one of its rectangular
faces in H.P. with its axis parallel to V.P. Draw its projections.

Case 4. Axis inclined to the H.P. and parallel to V.P.

Q. 10 A right circular cone, diameter of base 50mm, height 65mm is resting on H.P. on its base
such that its axis is parallel to V.P. and inclined to H.P. at an angle of 60°. Draw its front, top and
side view.
Q.11 A right regular pentagonal prism, edge of base 25mm and height 55mm,rests on an edge of
its base in H.P. such that its axis is parallel to the V.P. and its base makes an angle of 45° to the
H.P. Draw its projections.

Case 5. Axis inclined to the V.P. and parallel to H.P.

Q.12 A right regular pentagonal prism, side of base 30mm and height 70mm, lies on one of its
rectangular faces on H.P. with its axis inclined at 30° to V.P. Draw its projections.
Q. 13 A right circular cone, diameter of base 40 mm and height 70mm is held on its base rim in
H.P. such that its axis is inclined at 45° to V.P. and parallel to H.P. Draw its projections, keeping
vertex towards the observer.

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 Case 6. Axis inclined to both V.P. & H.P.
Q.14 A right regular pentagonal prism, side of base 30mm and height 70mm, rests on one of its
base corners on H.P, such that its long edge containing the corner is inclined to the H.P. at 45°
and the side of base opposite to the corner is inclined at 45° to the V.P. Draw its projections.
Q.15 A right circular cone diameter of base 50 mm and height 60mm lies on one of its elements
in H.P. such that the element is inclined to the V.P at 30° Draw its projections.

Assignment No.6 Marks=3

Section of solids
Case 1. Section plane parallel to V.P. perpendicular to H.P.
Q.1 A cube of 40mm edge is resting on one of its face on HP with a vertical face inclined to 30°
to V.P. It is cut by a section plane parallel to the VP and passes 15mm away from the axis. Draw
its sectional top view, sectional front view and sectional side view.
Case 2. Section plane parallel to V.P. perpendicular to H.P.
Q.2 A pentagonal pyramid of 30 mm base edges and axis 70 mm long ,resting on its base on the
HP having a side of base perpendicular to VP. It is cut by a section plane parallel to HP and
bisecting it’s axis. Draw its sectional top view, sectional front view and sectional side view.
Case 3. Section plane inclined to H.P. perpendicular to V.P.
Q.3 A cylinder of 45 mm diameter and 60 mm long is resting on its base on HP. It is cut by a
section plane inclined at 60° with HP and perpendicular to VP passing through a point on the
axis 15 mm from its top end. Draw its sectional top view, sectional front view, sectional side
view and true shape of section. Also calculate area of true shape of section.
Case 4. Section plane inclined to V.P. perpendicular to H.P.
Q.4 A regular hexagonal pyramid having base side 30mm and axis 60mm is resting on H.P with
its base on it. One of its base side is parallel to V.P. and 10mm infront of it. It is cut by a section
plane 10mm away from its axis and towards observer. Sectioning plane is perpendicular to H.P.
and inclined to V.P at 30°.Draw its sectional front view, sectional top view, sectional side view
and true shape of section. Also calculate area of true shape of section.
Case 5. Section plane perpendicular to both V.P & H.P.
Q.5 A right circular cone, diameter of base 50mm, axis 50mm long, rests on its base on H.P. A
section plane perpendicular to both H.P. and V.P. cuts the cone and 10mm away from the axis.
Draw its front view, top view and sectional left side view.

Assignment No.7 Marks=3

DEVELOPMENT OF SURFACES
TYPE-1-PRISMS (Parallel Line Method)
Q.1 A pentagonal prism of 25mm base edges and 50mm long, resting on its base with an edge of
base at 45° to the VP. The prism is cut by a section plane inclined at 30° to the HP and passes
through a point 25mm from the base along its axis. Develop the lateral surface of the truncated
prism.
Q.2 A right regular hexagonal prism of side 30 mm and 60 mm height is resting on its base on
HP having one of its base edges perpendicular to the VP. A cutting plane inclined to HP at 30°
and perpendicular to the VP cuts its axis at a distance of 36 mm from the base. Develop the
lateral surface of the truncated prism.

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Q.3 A right cylinder of 30 mm diameter and 35 mm height of axis, is cut by a section plane
inclined at 30° to the HP and passes 18 mm from base along the axis. Draw the development of
the truncated cylinder.
Q.4 A right regular hexagonal prism, side of base 30mm and height 60mm, rests on its base on
H.P. with one of its base side parallel to V.P. A horizontal circular hole of diameter 40mm
drilled centrally through it , such that the axis of the hole is perpendicular to it.Develop its laterl
surface.
TYPE-2 PYRAMIDS (Radial Line Method)
Q.5 A pentagon pyramid of 25 mm base edges and 50 mm long, resting on H.P with an edge of
base at 45° to the VP. The pyramid is cut by a section plane inclined at 30° to the HP and passes
through a point 25 mm from the base along its axis. Develop its lateral surface.
Q.6 A circular cone of 25 mm base radius and 60 mm axis length, resting on its base on H.P. The
pyramid is cut by a section plane inclined at 45° to the HP and passes through a point 25 mm
from the top along its axis. Develop its lateral surface.

Assignment No.8 Marks=3

Orthographic projections

Draw front ,top and side views of following isometric views.

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Total Assignment Marks/ Continuous Evaluation =20 Marks

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