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SPPU First Year Engineering (Semester 1)
Engineering Graphics-1
June 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Answer any one question from Q1 and Q2
1 The TV of a 80 mm long line AB measures 50 mm. The point A is 50 mm in front of VP and 20 mm above HP. The point B is 20 mm in front of VP and is above HP. Draw the projection of line AB and find its inclination with the HP and VP also locate its traces.
12 M

2 A thin rectangular plate of size 70 mm × 40 mm appears as a square of side 40 mm in TV with one of its side inclined at 30° to VP and parallel to HP. Draw the projection of the plate and determine its inclination with HP.
12 M

Answer any one question from Q3 and Q4
3 A pentagonal prism of base 30 mm side and axis 60 mm long is resting on a corner of its base on HP with a longer edge containing that corner inclined at 45° to the HP and vertical plane containing that edge and axis inclined at 30° to the VP. Draw its projection.
13 M

4 (a) Draw an involute of a circle of 50 mm diameter.
7 M
4 (b) A right circular cone of a base diameter 50 mm and axis height 60 mm has its base on HP. Draw the development of lateral surface of cone.
6 M

Answer any one question from Q5 and Q6
5 The following Fig. 1 shows a Cast iron bracket. By using first angle projection method draw:
i) Front View
ii) Top View
iii) Sectional LHSV along plane X-X.
Give all the dimensions.

13 M

6 The following Fig. 2 shows a cast iron bracket. By using first angle projection method, draw:
(i) Sectional front view
(ii) Top view
(iii) RHSV
Give all the dimensions

13 M

Answer any one question from Q7 and Q8
7 Fig. 3 shows the FV and LHSV of an object. Draw the isometric views using natural scale.

13 M

8 Fig. 4 shows the FV and RHSV of an object. Draw the isometric view using natural scale.

12 M

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