# GEC ENGINEERING GRAPHICS-I May 2015 Question Paper

Gudlavalleru Engineering College Question Paper
Code No: ME1506
I B. Tech I Semester Supplementary Examinations, May 2015
ENGINEERING GRAPHICS-I
(Mechanical Engineering)
Time: 3 Hours
Max. Marks: 60
Note: Answer any Five Questions. 5×12 = 60M
1. a) Construct a regular pentagon of 30mm side by any two different methods (5M)
b) Draw a scale of 1:60 to show metres and decimeters and long enough to measure upto 6 metres. Show a length of 3.7 metres on it. (7M)
2. A fixed point is at 50 mm from a fixed straight line. Draw the curve when eccentricity is 2/3. Name the curve. Draw tangent and normal to the curve through a point P, 60 mm from directrix. (12M)
3. A circle of 50mm diameter rolls along the floor for a half revolution and then on a wall adjacent for another half revolution. Draw the curve traced out by a point on the circumference of the circle at the top of the circle. (12M)

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