B.Tech I Semester (R20) Regular Examinations

Subject: Engineering Graphics (ME104PC)

(Common to EEE, ECE, CSE, IT, MECH & AE)

Time: 3 Hours Max. Marks: 70

Note: i) Part A is compulsory question, consisting of 10 marks.

ii) Answer any three questions from Part B. Each question carries 20 marks.

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PART – A (10 Marks)

1. 1. Define representative fraction.
   2. What is the importance of scales?
   3. Name any two CAD software.
   4. Define axis of solid.
   5. Define Isometric Scale.

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PART – B (60 Marks)

1. The major and minor axes of an ellipse are 150 mm and 90 mm respectively. Draw an ellipse by using concentric circles method.
2. A line AB is 75 mm long. A is 50 mm in front of VP and 15 mm above HP. B is 15 mm in front of VP and is below HP. The top view of AB is 50 mm long. Draw its projections and find its inclination with HP and VP.
3. A pentagonal prism, side of base 25 mm and axis 50 mm long, rests with one of its edges on HP such that the base containing that edge is inclined at 30° to HP. Draw its projections when the axis is parallel to VP.
4. Draw the isometric view of a hexagonal prism of base side 30 mm and height 70 mm when its axis is vertical.

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5. Draw the front view, top view, and side view of the following figure. All dimensions are in mm.
   

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