Engineering Graphics and Design (3110013)

BE | Semester 1 
  Winter - 2019|09-01-2020
Total Marks 70

Q1 (a)

Construct a scale of 1 cm = 1 m to read meters and decimeters and long enough to measure up to 14 meters. Show on this scale a distance equal to 12.4 meters.

 Unit : Introduction to Engineering Graphics |  Topic : BIS – SP 46. Use of plane scales

Q1 (B)

OAB is a slider-crank mechanism. Slider B is sliding on a straight path passing through O as shown in Figure 1 given below. Crank OA is 30 mm and rotates in the anticlockwise direction and the length of connecting red AB is 100 mm. A rod NP of 30 mm length is attached to AB such that AN = 40 mm and NP is perpendicular to AB as shown Draw locus of point P for one complete revolution of the crank.

 Unit : Loci of Points |  Topic : Slider crank mechanism

Q1 (c) Draw a parabola by tangent method, given its base as 90 mm, and the height of the axis is 75 mm.

 Unit : Engineering Curves |  Topic : Construction of Conics

Q2 (a) A rectangle ABCD 60 mm x 40 mm, is parallel to HP with one of its sides inclined at 30° to VP and the end of the side near to VP is 15 mm in front of the VP and 30 mm above HP. Draw its projections.

 Unit : Projections of Planes |  Topic : Polygons with its inclination to one reference plane and with two reference planes

Q2 (b) Point A is 20 mm above HP and 30 mm in front of VP and point B is in the HP and 40 mm behind the VP. The distance between their projectors is 50 mm. Draw the projections of the points. Also, draw straight lines joining their top and front views.

 Unit : Projections of Points and Lines |  Topic : Projections of line with its inclination to one reference plane and with two reference planes.

Q2 (c) The end P of a line PQ 120 mm long is 30 mm above HP and 60 mm behind VP. The line is inclined at an angle of 30° with the reference plans of the projection. The point Q is below HP and behind VP. Draw the projections of line PQ and locate the point Q.

 Unit : Projections of Points and Lines |  Topic : Projections of line with its inclination to one reference plane and with two reference planes.

OR

Q2 (c) Plan and elevation of a line AB, 80 mm long, measure 60 mm and 72 mm respectively. End A of the line is in HP and end B is in VP. Draw its projections, assuming the line to lie in the first quadrant.

 Unit : Projections of Points and Lines |  Topic : True length and inclination with the reference planes

Q3 (a) What is the difference between a First Angle and Third Angle projection ?

 Unit : Orthographic Projections |  Topic : Fundamental of projection along with classification

Q3 (b) A right regular pentagonal pyramid, edges of base 25 mm and height 50 mm, has its base parallel to VP with one of its base edges in HP. Draw its projections. (FV and TV)

 Unit : Projections of Solids, Section of Solids and Development of Surfaces |  Topic : Pyramid along with frustum with its inclination to one reference plane and with two reference planes

Q3 (c) A regular hexagon lamina ABCDEF has a side AB in VP and its side DE 45 mm in front of the VP and inclined to HP at 30°. Draw its projections. Consider the size of the lamina as 50 mm.

 Unit : Projections of Planes |  Topic : Polygons with its inclination to one reference plane and with two reference planes

OR

Q3 (a) Draw the conventional symbols for First Angle and Third Angle projection.

 Unit : Orthographic Projections |  Topic : Fundamental of projection along with classification

Q3 (b)

A right regular pentagon prism, the edge of base 30 mm and height 75 mm resting on its base on HP, is cut by a section plane inclined to HP at 45° and meeting the axis at a distance of 18 mm from its top end. Develop the outside surface of the cut prism.

 Unit : Projections of Solids, Section of Solids and Development of Surfaces |  Topic : Development of surfaces

Q3 (c)

Draw the projections of rhombus diagonals 96 mm and 48 mm long. The smaller diagonal is parallel to both the reference planes, while the other diagonal is inclined at 30° to the HP and has one of its endpoints in the HP. Keep the center of the rhombus 56 mm in front of the VP.

 Unit : Projections of Planes |  Topic : Polygons with its inclination to one reference plane and with two reference planes

Q4 (a) Write the difference between line, polyline, and its uses in AUTOCAD.

 Unit : Computer Aided Drawing |  Topic : Basic commands for 2D drawing like : Line, Circle, Polyline, Rectangle, Hatch, Fillet, Chamfer, Trim

Q4 (b) List and explain different methods to draw an arc in AutoCAD.

 Unit : Computer Aided Drawing |  Topic : Basic commands for 2D drawing like : Line, Circle, Polyline, Rectangle, Hatch, Fillet, Chamfer, Trim

Q4 (c)

One of the rectangular faces of the vertical square prism, 40 mm side and axis 65 mm long, make an angle of 30° to VP. It is cut by an AIP passing through the center of the axis in making an angle of 40° to HP. Draw front view, sectional top view, and true shape of the section.

 Unit : Projections of Solids, Section of Solids and Development of Surfaces |  Topic : Section of such solids and the true shape of the section

OR

Q4 (a) List the six Essential Commands of Modify Panel in AutoCAD.

 Unit : Computer Aided Drawing |  Topic : Basic commands for 2D drawing like : Line, Circle, Polyline, Rectangle, Hatch, Fillet, Chamfer, Trim

Q4 (b) List and explain different methods to draw Polygon in AUTOCAD.

 Unit : Computer Aided Drawing |  Topic : Basic commands for 2D drawing like : Line, Circle, Polyline, Rectangle, Hatch, Fillet, Chamfer, Trim

Q4 (c)

A square pyramid, side of base 40mm and axis 60 mm long, has its base in HP and all edges of the base are equally inclined to VP. It is cut by a section plane perpendicular to the VP and inclined 45° to the HP such that it bisects the axis. Draw its sectional top view and sectional left side view.

 Unit : Projections of Solids, Section of Solids and Development of Surfaces |  Topic : Pyramid along with frustum with its inclination to one reference plane and with two reference planes

Q5 (a) Draw the isometric scale of an 80 mm long line and show 66 mm isometric length on it.

 Unit : Isometric Projections and Isometric View or Drawing |  Topic : Isometric Scale

Q5 (b) Draw the isometric view of the cone of 48 mm base diameter and 56 mm axis height.

 Unit : Isometric Projections and Isometric View or Drawing |  Topic : Isometric view or drawing of simple objects

Q5 (c) Draw and dimension completely, the following views according to the first angle projection method and to the full-size scale of a given figure 2.
  • Front view looking in the direction of arrow F,
  • Side view looking direction of arrow S,
  • Top view looking at the direction of arrow P.
 

 Unit : Orthographic Projections |  Topic : Projections from the pictorial view of the object on the principal planes for view from front, top a

OR

Q5 (a) Draw the front view looking in direction of the arrow according to the first angle projection method to the full-size scale of a given figure 3 with a complete dimension.
 

 Unit : Orthographic Projections |  Topic : Projections from the pictorial view of the object on the principal planes for view from front, top a

Q5 (b) Draw and dimension completely, the following view according to the First angle projection method and to the full-size scale of a given figure 3. Draw Top View and right-hand side view.

 Unit : Orthographic Projections |  Topic : Projections from the pictorial view of the object on the principal planes for view from front, top a

Q5 (c) The figure 4 shows three orthographic views according to the first angle projection method of an object. Draw its isometric projection. 

 Unit : Isometric Projections and Isometric View or Drawing |  Topic : Conversion of orthographic views into isometric projection