Es [oS cTyoeroametiiow and retake ih ictnser shee Faure w dose may. | TEST CODE FORM TP: ae MAY/SUNE 2017 CARIBBEAN EXAMINATIONS COUNCIL CARIBBEAN SECONDARY EDUCATION CERTIFICATE® EXAMINATION TECHNICAL DRAWING Paper 01 — Technical Proficiency T hour 15 minutes 09 JUNE 2017 ( READ THE FOLLOWING INSTRUCTIONS CAREFULLY, 1 This test consists of 60 items. You will have | hour and 15 minutes to answer them, In addition to this test booklet, you should have an answer sheet. 3. Each.item in this test has four suggested answers lettered (A), (B), (C), (D). Read each item you are about to answer and decide which choice is best. 4. On your answer sheet, find the number which corresponds to your item and shade the space having the same letter as the answer you have chosen. Look at the sample item below. ‘Sample Item In drawings, thin short dashes represent ‘Sample Answer (A) adjacent pants ©e@00 {B) hidden details (C) movable parts (D) irregular details ‘The best answer to this item is “hidden details”, so (B) has been shaded. 5. If you want to change your answer, erase it completely before you fill in your new choice. 6. When you are told to begin, turn the page and work as quickly and as carefully as you can. Ifyou cannot answer an item, go on to the next one, You may return to that item later. 7. You may do any rough work in this booklet. 8. Figures are not necessarily drawn to scale. DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO So. ‘Copyright © 2015 Caribbean Examinations Council All rights reserved,1 Item 1 refers to the following diagram. 225 LJ Which of the following are true about 1525 in the diagram above? Itis an abbreviation for radius. Il. It indicates that the surface is square. III. Itavoids using a second dimension. IV. It indicates that the drawing is in first-angle projection, (A) Land I only B) band Ill only Mand Il only (D) Hand IV only tem 2 refers to the following drawing instrament, IN Which of the following represents the size of angle X in the drawing instrument shown above? @® .w (BR) 45° (C) 60° (D) 90° a7 Which of the following lines is used to indicate a cutting plane on a drawing? Short arrowheads are usually placed at right angles to the ends of which of the following types of lines? GD. Cutting plane (B) Phantom (© Centre ©) Object In the construction above, the angle X is (A) 60° (B) 65° ic) 7708 75° GO ON TO THE NEXT PAGEIn shape description, centre lines are used to (A) locate hidden object lines (B) determine the height of letters (C) construct base lines vertical to surfaces [®D _locate pos jons and dimensions tem 7 refers to the following lines. HJ 4 The lines shown above are conventions used on standard shapes for common bar stocks to indicate (A) the axes of symmetrical parts (B) that the edges are to be measured the continuation of the objects that sections are to be removed When a straight line touches an are and forms a right angle with the radius of the circle a a chord is formed a point of tangency is formed (C)__ the curve blends exactly (D) the line and the are are similar in shape Which of the following is NOT a step in the process of bisecting an angle? (A) Marking parallel lines (B) Drawing a perpendicular through the ares © _ Opening the compasses to any suitable radius (D) Drawing a line through intersecting ares 2017 10, nL. Item 10 refers to the following diagram, ‘The diagram above shows how to find the centre of an are with radius R which is tangential to (A) astraight line B) aline anda circle HB sve sige tes meting at any angle Oy ht lines meeting at right Item 11 refers to the following construction. Which of the following constructions is illustrated above? (A) Asquare B) Irregular curves Circles in isometric (D) Circles in perspective GO ON TO THE NEXT PAGE12. 1B. Which of the following statements BEST describes an equilateral triangle? a All the sides and angles are equal. All the sides are equal, but the angles are unequal (C)__Alllthe sides are unequal but the angles are equal. (D) Neither the sides nor the angles are equal. Item 13 refers to the following triangle. 14, A S o # c ‘The triangle illustrated above can be BEST constructed with the use of (A) aruler and protractor (B) compasses and a protractor (©) aset square and protractor (DB) compasses, a ruler and a pencil 15. omi7 Item 14 refers to the following diagram. ‘The diagram above shows the intersection of the three isometric axes. What is the value of the angle B? (A) 30° By 45° 60° (D) 120° Item 1 refers to the following diagram. Which of the following is true about the construction of any regular polygon as illustrated above? (@_ 4's the 45° mark on the bisector of OP (B) _ 4isthe midpoint ofthe bisector of op (C) 6 is the 30° mark on the bisector of OP (D) 6 is the 75° mark on the bisector of OP GO ON TO THE NEXT PAGE16. 7. 18. 19. a If the perimeter of a triangle is 120 mm and its sides are in the proportion 4:5:3 respectively, then the lengths of the sides, (A) 20,25 and 15 (B) 40, 60 and 20 (©) 35,55 and 30 40, $0 and 30 A quadrilateral with ONE pair of parallel sides is a (A) thombus B) rectangle trapezium (D) parallelogram Item 18 refers to the following drawing ‘The drawing illustrated above represents @®_atruncated square pyramid (B)__@ part section of a right truncated pyramid (©) anoblique rectangular pyramid (D) — arectangular pyramid Which of the following is used to draw an the length of one side is given? (A) A protractor, using the 40° angle (B) A protractor, using the 72° angle (©) A60° set-square A4S° set-square 2017 20. 2. Item 20 refers to the following diagram. & I In the diagram above, EF to EF1 is in the ratio 3:4. The length of EFI is (A) 3) 15 30 BR 60 90 Given that one of the angles of a rhombus is 120°, which of the following is the value of one of the interior adjacent angles? (A) 40° (B) sie 60° sie GO ON TO THE NEXT PAGE22, a6: The line AB = 75 mm is drawn, With centres A and B, and with radius AB, ares are drawn to intersect at C. If C is joined toAand B, then the triangle is represented by (A) (B) () SSDP Which of the following drawings illustrates an internal tangent? (A) ®) @) a7 2017 24. 25. Which of the following diagrams BEST represents an external and an internal tangent? (A) © ©) SO 9 8 Item 25 refers to the following diagram. eI > b ie A-B is equal to major axis minor axis (©) % major axis () — % minor axis GO ON TO THE NEXT PAGE ne |26. 21. 28. em 26 refers to the following rectilinear figure. s R P Q The rectilinear accuracy of the figures can be tested by measuring the A) perpendiculars diagonals (©) angle P (D) angle S A netball court has a length of 30m. A line representing this distance measures is the line drawn? when constructing a hexagon? 1. Itean be constructed using peneil and compass only. Il It can be constructed if given the diameter of the circumseribing circle. IIL. It can be constructed if given the across-flat dimension, IV. It can be constructed by drawing tangents to the circle with a 60° set square. (A) 1 Mand Ill only 1, ILand IV only IL, Ill and IV only (D) Lb Mand IV only 2017 29. 30, Item 29 refers to the following diagram. B oe ie E In the diagram above, the angle EFH is (A) 30° (Base (C). 60" Q Which of the following diagrams represents the drawing ofa tangent toa circle at a point ‘on the circumference? © @) p-aPe GO ON TO THE NEXT PAGE31. Aman has to transform a 100 mm square drawing to the largest octagonal shape that it will contain, Which of the following instruments should he use to perform the exercise? GB __ 30° set square (B) _Inside calipers (C)___ Dividers and set square (D) Outside calipers tem 32 refers to the following diagram. AB 32. The diagram shows how to draw a (A) rectangle equal in area to a triangle (B) square equal in area to a rectangle triangle equal in area to a polygon square equal in area (o a triangle xem 33 refers to the following diagram. 33. Which of the following is the eccentricity of FP:PQ in the diagram above? 2 © 13 @) 14 GO ON TO THE NEXT PAGEeos 34. Which of the following constructions shows the correct division of a line (geometrically) into two parts in the ratio 2:37 35. Which of the following instruments is used when drawing an irregular curve on a surface development? Isometric template French curve (©) Compass (D) Bowen 2017 38, Item 36 refers to the following drawing. Which of the numbered dimensions above represents a location dimension? a 1 @) (c) Il Vv ‘The perpendicular distance between lines PQ and RS of trapezium, PQRS, is 3.5m, Which of the following lines would be parallel? a SP and QR PRand QS. (C) — RSand PO (D) PS and QR In technical drawing, the phrase ‘curves meeting each other tangentially’ means that the curves will meet smoothly (B) will not blend properly (©) have sufficient clearance (D) will meet at right angles GO ON TO THE NEXT PAGE-10- 39. Which of the following lines is used to. 42. Which ofthe following shapesisa pentagon? outline a finished drawing? a = io (B) —_—_——_— © -H-—-—- gg —_——_. @) 40. ‘The fire emergency exit doors leading from @ workshop should open (A) inwards B) upwards fej curarcs (D) sideways ) ODOO Item 41 refers to the following diagram. j+-___—S0.m______» When a draftsman is drawing a true horizontal line, the peneil point should be guided by a q (A) scale 3 Tesquare (C) set square (D) straight edge 41. The drawing above represents a room which measures 4000 mm * 2500 mm. ‘The scale used in the drawing is @ bs @) 1:10 C) 1:20 1:50 GO ON TO THE NEXT PAGE 201744. 45. ee Item 44 refers to the following construction. ‘The purpose of the construction above, when completed, is to (A) draw an are to pass through three points (B__arawatangent to the circle from A (©) draw two tangents to the circle from B (D) find the mean proportional to AO and CO Which of the following developments shows a éylinder which is cut obliquely at both ends? © »2017 46. 41. ‘A student falls and hits his head hard against the edge of a technical drawing table, He is MOST likely to suffer from a concussion (B) heart atack (©) nervous breakdown (D) laughing fit Which of the following diagrams illustrates the procedure for drawing a perpendicular toa line from a point outside the line? (a) © @) \ GO ON TO THE NEXT PAGE-12- 48. Which of the following scales would be Item 51 refers to the following construction used to produce the smallest drawing of a given object? G @ 12 ® oi © sa 49. When designing @ new product, which type of drawing is usually made FIRST? : Sketch solution Detailed solution (D) Engineering drawing Item 50 refers to the following diagram. 51. The construction shows that [®__HBFG is twice the area of ABCD (B) ABCD is twice the area of HBFG (©) ABCD is equal in area to AEB (D) — BCDE is equal in area to BDE 52. When aplane figure has a linear reduction 50. Inthe diagram above, a crank, QR, rotates only, the about a fixed centre, R. A rod, PQ, is pin- pointed to the erank at Q and freely slides (A) dimensions remain the same in guides at P. The locus traced by point S proportions remain the same for one revolution of QR is proportions are changed (D) dimensions and proportions are acone changed an ellipse (©) aparabola (D)— ahyperbola GO ON TO THE NEXT PAGE 201754. are Which of the following is a view of a right, square pyramid? cc) ® © Which of the following views would show an object as ifit were cut across, exposing inside details? (A) Frontal (B) Auxiliary (© Exploded Sectional 2017 58. “The spiral of Archimedes’ is defined as (A) the path generated by a point travelling ina plane such that the difference of its distance from two foci is constant and equal to the transverse axis, (B) a plane curve generated by a point on a taut cord as it is unwound from the perimeter of a polygon (© aplane curve generated by the path of a point on the perimeter of a wheel as the wheel travels on a straight track (D)__ the path generated by a point which revolves uniformly about a pole and has a uniform mi from it GO ON TO THE NEXT PAGE-14- Which of the following layouts represents 57. the correct orthographic projection of a shaped block? @) Cc J v u P Pp v oO 4 ! P fea v 58. ©) | al " P a 217 Which of the following shows how to divide an angle geometrically? “ (B) ©) poe Which of the following methods of drawing an ellipse involves constructing a rectangle? (A) Concentric circle B) _Intersecting ares Intersecting line (D)— Trammel GO ON TO THE NEXT PAGEois 4 Given a point, P, on the circumference of Item 60 refers to the following diagram. a circle, which of the following diagrams BEST demonstrates the principle of constructing a tangent to a cirele through the given point? 60. Which of the following representations is correct for the first-angle orthographic Projection of the object shown above? S ®) a Sls ® © i l a x (D) ©) x END OF TEST IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST, 2017