BECE 2021 Pre-Technical Skills Past Questions and Answers

Paper 1: Objectives

1. The following are household furniture except
   1. A. bookshelf
   2. B. cabinet
   3. C. chair
   4. D. television
   Answer: D
2. The shape of a developed open-ended cylinder is a
   1. A. circle
   2. B. parallelogram
   3. C. rectangle
   4. D. rhombus
   Answer: C
3. The plug is fused in order to
   1. A. break when there is excessive current
   2. B. increase the flow of electricity
   3. C. oppose the flow of electricity
   4. D. stop the flow of electricity
   Answer: A
4. Evaluations are carried out on an artefact in order to
   1. A. change the situation completely
   2. B. conduct a new research of the design
   3. C. increase the cost of artefact
   4. D. make modification on the design
   Answer: D
5. 
   
   Figure 1 shows an object drawn in
   1. A. isometric
   2. B. oblique
   3. C. orthographic
   4. D. perspective
   Answer: A
6. 
   
   The instrument labelled W is
   1. A. protractor
   2. B. rule
   3. C. set square
   4. D. tee square
   Answer: C
7. The traditional form of food preservation in Ghana is
   1. A. bottling and freezing
   2. B. freezing and drying
   3. C. drying and salting
   4. D. salting and bottling
   Answer: C
8. A birthday cake is usually packed in a brown cardboard box
   1. A. to attract customers
   2. B. for easy transportation
   3. C. to preserve flavour
   4. D. to give information
   Answer: B
9. A light meal eaten between the main meals of the day is referred to as
   1. A. elevenses
   2. B. high tea
   3. C. brunch
   4. D. snack
   Answer: D
10. In table setting, the main reason for covering the table with a cloth is to
    1. A. make the setting formal
    2. B. protect the table surface
    3. C. make the table attractive
    4. D. act like a silencer
    Answer: B

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11. An example of a wet medium is
    1. A. chalk
    2. B. coloured pencil
    3. C. crayon
    4. D. poster colour
12. What are the primary colours of pigment?
    1. A. Red, yellow, green
    2. B. Red, blue, green
    3. C. Yellow, blue, green
    4. D. Red, yellow, blue
13. Growth is symbolically represented with the colour
    1. A. green
    2. B. red
    3. C. yellow
    4. D. white
14. Placing value on an item is termed
    1. A. costing
    2. B. labelling
    3. C. pricing
    4. D. selling
15. Where the sky appears to meet the land is called the
    1. A. horizon
    2. B. foreground
    3. C. background
    4. D. plane
16. Lacquer is diluted for easy application with
    1. A. Flux
    2. B. Thinner
    3. C. Turpentine
    4. D. Water
17. The instrument used for transferring measurements from the rule to the drawing paper is a
    1. A. Pair of compasses
    2. B. Pair of dividers
    3. C. Set square
    4. D. Tee square
18. Injury to the head at a work site is mostly caused by
    1. A. falling objects
    2. B. inflammable materials
    3. C. slippery floor
    4. D. wearing loose clothing
19. The tool used for cutting sheet metal is
    1. A. Crosscut saw
    2. B. Dovetail saw
    3. C. Scriber
    4. D. Snips
20. Which of the following methods of fastening makes a temporary joint?
    1. A. Riveting
    2. B. Screwing
    3. C. Soldering
    4. D. Welding
21. In drawing, hidden details are shown by
    1. A. continues thin lines
    2. B. long dashes
    3. C. short dashes
    4. D. thick chain lines
22. 
    
    Figure 2 shows a symbol for
    1. A. first angle orthographic projection
    2. B. third angle orthographic projection
    3. C. isometric projection
    4. D. oblique projection
23. Turpentine is used for thinning
    1. A. emulsion paint
    2. B. oil paint
    3. C. wax polish
    4. D. white glue
24. 
    
    The tool shown is a
    1. A. bolster
    2. B. float
    3. C. spade
    4. D. trowel
25. 
    
    The tool is used for
    1. A. aligning blocks
    2. B. checking courses
    3. C. holding mortar
    4. D. spreading mortar
26. The tool used for smoothening curved edges of wooden furniture is
    1. A. chisel
    2. B. plane
    3. C. rasp
    4. D. saw
27. Which of the following is a ferrous metal?
    1. A. Aluminium
    2. B. Cast iron
    3. C. Copper
    4. D. Tin
28. Which of the following wires helps to prevent shock when using an electrical appliance?
    1. A. Earth wire
    2. B. Fuse wire
    3. C. Live wire
    4. D. Neutral wire
29. The source of electrical power in a simple circuit is
    1. A. battery
    2. B. bulb
    3. C. capacitor
    4. D. switch
30. Horizontal lines are drawn with a
    1. A. clip
    2. B. protractor
    3. C. set square
    4. D. tee square

Paper 2: Theory

1. a) Define a seam in clothing construction.
   
   b) i) Give one example of: α) Conspicuous seam; β) Inconspicuous seam.
   
   ii) List two moist methods of cooking.
   
   c) i) List the two types of perspective drawing.
   
   ii) List three types of pictorial drawing.
   
   iii) State two stages in the design process.
   
   d) i) Explain the spectrum of colour.
   
   ii) List the secondary colours.
   
   iii) Explain the term complementary colours.
2. a) i) Figure 1 shows the plan of a hexagonal pyramid
   
   
   
   Draw the given plan of a hexagonal pyramid.
   
   ii) Draw the front view of the pyramid with a vertical height of 75 mm.
   
   iii) Draw the surface development of the pyramid without the base.
   
   b) State the reason why each of the following safety clothing are worn in the workshop:
   
   i) Mask;
   
   ii) Helmet.
3. a) i) Sketch in two dimensions, a three-course block wall in stretcher bond. Length: four full blocks.
   
   ii) Re-arrange the steps to be followed in laying the first course of a three-course block wall.
   
   iii) List three tools used to set out and mark the position of the wall.
   
   b) i) Make a freehand pictorial sketch of a try square.
   
   ii) Label two main parts of the try square sketched in (b)(i).
   
   iii) State one use of the try square.
4. a) i) Figure 2 shows a set up for an operation woodwork
   
   
   
   Write the name of the operation being carried out in Figure 2.
   
   ii) Identify the items labelled X, Y, and Z.
   
   iii) Make a pictorial drawing of the item labelled X.
   
   b) Complete the table of adhesive materials and their suitable finishes.
   
   c) Complete the table of metals with their examples, properties, and uses.

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