Bece Past Questions & Answers – 2013 (Pre-Technical Skills-BDT)
June 2013
BASIC DESIGN AND TECHNOLOGY 2
(Pre-Technical Skills 2)
Essay
1 hour 15 minutes
SECTION A
(CORE SKILLS)
[20 marks]
Answer question 1 [COMPULSORY]
1. (a) State two functions of protein in the body
(b) List two ways by which patching can be done
(c) (i) Explain a design brief
(ii) List three methods of carrying out design investigations.
(iii) State two factors to consider when selecting the best solution from the generated possible solutions in designing.
(d) (i) What is the colour spectrum?
(ii) List the three primary colours
(iii) Explain secondary colours
SECTION B
[50 marks]
Answer two questions only from this section
All questions carry equal marks
2. Figure 1 shows two views of a solid to be produced with sheet metal
FIGURE 1
(a) Draw full size the following:
(i) front view
(ii) plan
(iii) surface development
(b) State the name of the solid in figure 1
(c) (i) make a freehand pictorial sketch of a marking gauge
(ii) Label any two parts of the tool you have sketched in (c)(i) above
3. (a) Using symbols, draw an electrical circuit diagram to show the following
(i) two bulbs in parallel
(ii) a switch
(iii) a cell
(b) State one function of a light emitting diode (LED) in an electrical circuit.
(c) (i) Make a freehand sketch of a dot punch.
(ii) Indicate the point angle on the tool you sketched in (c)(i) above
(d) Copy and complete the table below
| ITEM | ONE SUITABLE MATERIAL FOR MAKING IT |
| Traditional oven | |
| Kitchen stool | |
| Bristle of tooth brush | |
| Garden rake |
(e) State one reason each for carrying out the following processes
(i) leveling a wall
(ii) applying flux when soldering
4. (a) Explain the following
(i) ratio 1:4 for mortar mixture;
(ii) non-ferrous alloys
(b) (i) Make a freehand pictorial sketch of a flat screwdriver
(ii) Label two parts of the tool you sketched in (b)(i) above
(iii) State one main use of the tool you sketched in (b)(i) above.
(c) (i) Add three more courses to the wall in Figure 2
(ii) Show a toothing end on the wall
(iii) List two tools for laying the wall
(iii) State one reason for intruding a half-bat in the wall.
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