(Common to all Branches)
Time: 3 hrs
Maximum Marks: 60
- Section A is compulsory.
- Attempt any five questions from Section B and C.
- Select atleast Two questions from Section B and Two from Section C.
(b) Which BIS standards are followed for engineering drawings.
(c) What is the true length of a line.
(d) Following symbol represents first or third angle projection.
(f) Why sectional views are used in engineering drawing?
(g) What is an isometric view?
(h) To represent a solid in an orthographic projection, at least _______ views are necessary.
(j) Unfolding of all of the ______ of the object on a plane is called development.
SECTION B (Marks: 8 each)
5. A cylinder of 65 mm diameter and 90 mm long has its axis parallel to the HP and inclined at 30º to the VP. It is cut by a vertical section plane in such a way that the true shape of the section is an ellipse having the major axis 75 mm long. Draw its sectional view and true shape of the section.
6. A cube of 40 mm side rests centrally on square block of 60 mm edges and 20 mm thick. Draw the isometric projections of the two objects with the edges of the two blocks mutually parallel to each other.
7. A vertical cylinder of 45 mm diameter and height 70 mm resting on its base on HP is completely penetrated by another cylinder of same dimensions and length. Their axis bisect each other at right angles and are parallel to VP. Draw the projection showing lines of penetration on the two cylinders.
8. Draw the view from the front (arrow side) and the view from the right of the following object. (All dimensions are in mm)
Ans: Refer chapter 7 of ED - Basant Agrawal, TMH.