CXC CSEC Technical Drawing — Paper 1 (Multiple Choice)

Total marks: 60 · Duration: 75 minutes

Instructions to candidates

• This paper consists of 60 multiple-choice questions. Answer ALL questions.
• Each question has four options, (A), (B), (C) and (D). Choose the one correct answer.
• This paper tests Section 1: Fundamentals of Technical Drawing and Section 2: Geometrical Construction (Plane and Solid Geometry).
• Calculators and drawing instruments may be used where appropriate.

Paper (sample of 20 representative questions)

1. A scale of 1:2 means the drawing is (1 mark) (A) twice full size (B) half full size (C) full size (D) five times full size

2. Hidden detail on a drawing is shown using (1 mark) (A) a continuous thick line (B) short dashed lines (C) a chain line (D) a wavy line

3. The instrument used to measure and set out angles is the (1 mark) (A) compass (B) T-square (C) protractor (D) divider

4. An angle between 90° and 180° is (1 mark) (A) acute (B) right (C) obtuse (D) reflex

5. A polygon with six sides is a (1 mark) (A) pentagon (B) hexagon (C) octagon (D) heptagon

6. Each interior angle of a regular hexagon measures (1 mark) (A) 60° (B) 108° (C) 120° (D) 135°

7. The view obtained by looking vertically down on an object is the (1 mark) (A) front elevation (B) end elevation (C) plan (D) section

8. In isometric drawing, the receding lines are drawn at (1 mark) (A) 15° (B) 30° (C) 45° (D) 60°

9. A circle drawn on an isometric surface appears as (1 mark) (A) a true circle (B) an ellipse (C) a square (D) a straight line

10. The development of a cylinder's curved surface is a (1 mark) (A) circle (B) triangle (C) rectangle (D) sector

11. Cones and pyramids are developed by (1 mark) (A) parallel-line development (B) radial-line development (C) triangulation only (D) freehand sketching

12. Two lines that meet at 90° are said to be (1 mark) (A) parallel (B) perpendicular (C) oblique (D) tangential

13. A tangent to a circle is (1 mark) (A) a chord through the centre (B) perpendicular to the radius at the point of contact (C) an arc (D) a diameter

14. The symbol Ø before a value on a drawing indicates a (1 mark) (A) radius (B) diameter (C) tolerance (D) scale

15. A dimension written as 50 ± 0.1 mm means the size may be between (1 mark) (A) 49.0 and 51.0 (B) 49.9 and 50.1 (C) 50.0 and 50.1 (D) 49.0 and 50.0

16. Cut surfaces in a sectional view are shown by (1 mark) (A) hidden dashes (B) hatching at 45° (C) centre lines (D) freehand lines

17. Which A-series paper size is the largest? (1 mark) (A) A4 (B) A3 (C) A2 (D) A1

18. The pencil grade most suitable for fine, light construction lines is (1 mark) (A) 6B (B) 2H (C) 4B (D) HB (note: 2H is harder/lighter)

19. A door on a building plan is normally shown by (1 mark) (A) a solid black square (B) a gap in the wall with a swing arc (C) a circle (D) hatching

20. CAD stands for (1 mark) (A) Computer-Aided Drawing only (B) Computer-Aided Design (C) Central Architectural Drafting (D) Calculated Angular Drawing

(Questions 21–60 continue across the same Sections 1 and 2 content at a similar spread of difficulty.)