SS3 td exam
1.All these are the properties of a quadrilateral except a.They have equal vertex b.It has all four sides
equal c.all its angles are right angle d.the diagonals are equal and they bisect each other at the centre
forming angles 90°.
2.........is the process of putting down information on a drawing by means of letters,words and numbers
a.information b. Tittle block c. Lettering d.dimension.
3..........are used for angular measurements a. Pair of compass b. Set square c. Tee square d. Protractor.
4..Which of the following instrument is used to transfer measurements from one point to another a.a
pair of compass b.a pair of divider c. Protractor d. Set square.
5.. A straight line is the shortest distance between.......points a.3 b 6 c.4 d.2.
6. Centreline is used to locate,represent the centre of ......a.arcs b.circles
C.hidden round feathers d.all of the above.
7. We use......for setting paper on the drawing board a. Pencil b. T square c.set square d.compass
8.The drawing instrument used for measuring angles is .......a.compass b.ruler c.protractor.
d.set square.
9. These are importance of td except a.its develop our skill b.it help to interpret drawing c.means of
communication d.its gives us information about events .
10. Pencil for lettering should be sharpened to.......point a.double b.curve c.conical d.fine.
11.Drawing material and instrument should be .......a Handle with care b.Handle roughly
C.kept in the roof d. played with always.
Theory Section A(geometric construction)
Instructions: answer any one in this section.
Note: use full scale for all your construction works and dimensions should be
In mm.A well established borderline and tittle block make up to 20& marks in this
Section.
All construction line must be shown clearly, accurately and good draughtmanship
are essential.
1.Construct the following angles (I)165° (ii) 112.5°
(iii) 75°
B.A line AB with a length of 50mm is parallel to line CD position
40mm away,and also has a length of 50mm.assuming that point D is
Perpendicular to the midpoint of AB,when connecting point C and A,as well as point point D and B what
is the name of the shape formed?
(NB: AB=50mm,CD=50mm).
2.A circle is inscribed in a triangle with sides . 60mm,80mm and 100mm.
(I). construct
(ii) what size is the radius of the circle
(iii) Bisect a line AB of length 75mm.
3(I) construct an octagon with a circle of radius 50mm.
(ii) Draw a triangle with any given length and circumscribe.
(iii) Construct with a house with thick and light light with length not more than 4cm
Showing the door and windows.
(iv) Construct angle 120°, 60° and 30°.
Section B.
1ai.Define engineering drawing
ii what is development and draw to development of a cylinder
iii differentiate between isometric and orthographic projection
2ai draw the orthographic projection of the shape as given in
the specified diagram
