Ordinary level 2026 North West mock mechanical drawing 1

Here are the questions from the document along with their respective options:

1. Technical drawing can be used by these persons:

   • A. every body

   • B. philosophers

   • C. electricians

   • D. medical doctors

2. Which of the following is not recommended for drawing?

   • A. A desk

   • B. A drawing table

   • C. A drawing board

   • D. A computer

3. Which of these is not a thin line?

   • A. Construction line

   • B. Cross hatching line

   • C. Guide line for lettering

   • D. Object outline

4. Thick chain line like the one drawn below is used in technical drawing to represent:

   • A. Surfaces with special attention

   • B. Section

   • C. Centreline

   • D. The end of moving part

5. Referring to the figure below, which amongst these lower letters has the same height like the capital letter?

   • A. a

   • B. b

   • C. e

   • D. c

6. The ratio of height to width for most capital letters is approximately the same except:

   • A. E

   • B. C

   • C. R

   • D. W

7. In the figure below what is the slope toward, the right of the incline letter measured from the vertical?

   • A. 15°

   • B. 30°

   • C. 25°

   • D. 10°

8. Which of the elements in the list below is not an engineering fastener?

   • A. Screw

   • B. Nut

   • C. Spanner

   • D. Stud

9. Using a ruler determine the nominal diameter and the length of the mechanical fastener below. Hence deduce the right standard designation:

   • A. Screw H M 35-10

   • B. Screw CHc M 10 -25

   • C. nut H M 10 -25

   • D. Screw H M 10 -35

10. The figure below shows an elastic ring used in mechanical construction. Its function is to:

    • A. guide in rotation

    • B. guide in translation

    • C. prevent translation

    • D. prevent rotation

11. Which of the fasteners in the figure below is a bolt?

    • A. 1

    • B. 2

    • C. 3

    • D. 4

12. The drawing in the figure below is in:

    • A. oblique projection

    • B. isometric projection

    • C. orthographic projection

    • D. section

13. Which one of the following is not a type of oblique projection?

    • A. Cavalier

    • B. cabinet

    • C. General

    • D. isometric

14. In general, oblique projection, the measurement along the receding lines varies from half to full size of the thickness; but it cannot be:

    • A. 1/4 to full size

    • B. 1/2 to full size

    • C. 3/4 to full size

    • D. 4/4 to full size

15. In isometric projection vertical lines appear:

    • A. Incline at 30° to the horizontal line

    • B. Oblique

    • C. Vertical

    • D. Perpendicular to the receding line

16. The sectioning convention shown in the figure below represents:

    • A. Steel and ferrous material

    • B. Cast iron

    • C. Alloy of copper material

    • D. Rubber material

17. Which of the hatching convention below is rubber?

    • A. 1

    • B. 2

    • C. 3

    • D. 4

18. The title block of a drawing in school does not include the:

    • A. part list

    • B. date

    • C. name of the school

    • D. projection symbol

19. A part of a drawing measures 30 mm on paper. If the drawing is executed to a scale of 1/3; what will be the real dimension of that part?

    • A. 30 mm

    • B. 60 mm

    • C. 90 mm

    • D. 10 mm

20. The fit between the part 1 and part 3 is $10\ H7/f6$; the ISO tolerance dimension of the shaft is:

    • A. 10 H7

    • B. 10 H

    • C. 10 f6

    • D. 10