## Paper 1: Civil Engineering Drawing – University Past Papers.

Time Allowed: __3 hours__

Total Marks: __70, Passing Marks (35)__

Q.1: Fill in the Blanks. 10

a).The isometric axis are inclined at ___ degree to each other.

- i) 60 ii) 90 iii) 120 iv) 150

b). A line of 1 meter is shown by 1cm on a scale. Its Representative fraction (RF) is

- a) 1 b) 100 c) 1/100 d) 1/50
- c) Any line parallel to Isometric Axes is called …………. line.

d). A thin, solid line that shows the extent and direction of a dimension is called……….

- Representative Factor = (Dimension of drawing / Dimension of object). A) True B) False

Q.2: (a). Define Orthographic Projection. What is the principal of Orthographic Projection? 5

(b). Describe general method of Cycloids construction given the diameter of the generating circle. 10

Q3. Define Hypocycloid. Draw a hypocycloid given the generating and directing cirles of radii r and R respectively 15

Q4. Draw three views of a hexagonal nut for a 24 mm diameter bolt, according to approximately standard dimensions. 15

Q5 . A ball is thrown in air attains 100 m height and covers horizontal distance of 150m on ground. Draw the path of the ball by parabola rectangle method. 15

Q6. Draw front, top and side view (Orthographic projections) of Figure-1.Assume suitable dimensions. 15

## Paper 2: Civil Engineering Drawing – University Past Papers.

Time Allowed: __3 hours__

Total Marks: __70, Passing Marks (35)__

Q.1: Define the following. 10

a).**Orthographic Projections**

**b) Hypocycloid****c) Lap Joint****d) Parabola****e) Hyperbola**

Q.2: Define Involute. Describe the general method of drawing an involute of a given circle. 15

Q3. Define Ellipse. Describe the general method of drawing an ellipse by Arcs of **circles methods** OR **Concentric method**. 15

Q4. Explain by means of sketches, any three methods of preventing a bolt from rotating while screwing the nut on or off it. 15

Q5. A ball is thrown in air attains 200 m height and covers a horizontal distance of 250m on the ground. Draw the path of the ball by parabola rectangle or basic or offset method. 15

Q6. Draw the Development of the surface of the part P of the cube, the front view of which is given below. Assume suitable dimensions.

Q.7. Draw Isometric view from the given stairs steps.

15

Q.8 Write short notes on any two of the following;

(a) General method of construction of Cycloid. 7.5

(b) Types of bolts. 7.5

(c) Methods for General construction of Parabola. 7.5

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