April2012

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)       Ama ate fried fish, kenkey and fresh pepper sauce

Copy and complete in a table what Ama ate into the functional groups of food.

(b)        The diagram below is the drawing of a mango

• Enlarge the diagram in (b) in the drawing sheet provided below.

• Shade your drawing in (b) (i) in three tones

• List two other methods of shading apart from the one used in (b) (ii)

(c)        (i)         State two reasons why investigations are carried out in the design process.

(ii)        List three electrical appliances used in the home

SECTION B

[50 marks]

Answer two questions only from this section

All questions carry equal marks

2. The figure shows the pictorial view of a wooden block made from odum

(a)        (i)         Draw full size the front elevation in the direction of arrow P

(ii)        List two finishes that can be applied on the wooden block

(b)        State one use each of the following in soft soldering:

(i)         flux;

(ii)        soldering bit

(c)        Make a freehand sketch of a pair of snips

(d)       The table below shows tools, their uses and ways of caring for them.

Copy and complete the table

3. (a) Explain each of the following terms as used in concrete :

(i)         fine aggregates

(ii)        coarse aggregates

(b)        List three methods of pictorial drawing

(c)        (i)         Make a freehand sketch of a pick-axe

(ii)        Label any two parts on the tool sketched in (c)(i) above

(d)       List two items made of cast iron.

(e)        Draw the symbol for each of the following electronic components

(i)         resistor

(ii)        capacitor

(iii)       a switch

(f)        The figure below shows a pictorial view of a coal-pot made from a metal plate

Arrange the following steps in a sequential order for making the coal-pot.

(i)         File pieces to the required sizes;

(ii)        Mark-out the parts of the coal-pot

(iii)       Assemble the parts;

(iv)       Measure the metal pieces to the required dimensions;

(v)        Cut out pieces.

4. (a) (i)         State the difference between plumbing and leveling in walling

(ii)        List two tools used for plumbing and leveling in walling

(b)        List two examples each of a conductor and an insulator

(c)        State one purpose each for the following

(i)         curing a brick;

(ii)        applying a piece of chalk on the face of a file.

(d)       (i)         Make a freehand sketch of the soldering iron used in sheet metal work.

(ii)        Label any two parts on the tool sketched in (d) (i)

(e)        The table below shows two materials to be glued together

Copy and complete the table

  CLICK TO VIEW ANSWERS TO PART 2