BDT BECE Pre-Technical Skills 2016 Questions & Answers – Papers 2 & 1

 

June 2016
BASIC DESIGN AND TECHNOLOGY 2
(Pre-Technical Skills 2)

Essay
1 hour 15 minutes

SECTION A
(CORE SKILLS)
[20 marks]
Answer question 1

1. (a) List four stitches that can be used for neatening as well as embroidery work.
[4 marks]

(b) List four dishes which are easily contaminated [2 marks]

(c) (i) List three sources where information can be obtained to solve design problems
[3 marks] (ii) List two methods of drawing objects in pictorial views. [2 marks]

(iii) List two causes of weaknesses in wooden chairs. [2 marks]

(d) (i) State one use of each of the elements listed below in a design

1. Shape:
2. Colour
3. Space:
4. Texture:
[4 marks]

(ii) Explain what a sketch is.
[2 marks]

(iii) State one reason why it is necessary to use a sketch when producing an object
[1 marks]

SECTION B
[50 marks]
Answer two questions only from this section
All questions carry equal marks

2. Figure 1 shows the front elevation and plan of an object made from a mild steel sheet.

(a) Draw full size the following:
(i) front elevation
(ii) plan
(iii) surface development

(b) (i) State the name of the object shown in Figure 1
(ii) List two tools used for cutting the mild steel sheet.

(c) (i) Make a freehand pictorial sketch of a try square.
(ii) Indicate and label any two parts of the try square sketched in question 2(c)(i)
[25 marks]

3. (a) List two tools each used in carrying out the following operations in blockwork:
(i) laying
(ii) setting out.

(b) (i) Make a freehand pictorial sketch of a spade
(ii) Indicate and label any two parts of the spade sketched in question 3b(i)

(c) (i) State one use of the tenon saw.
(ii) State one way of maintaining the tenon saw.

(d) Sketch the representative symbol for each of the following electrical components:
(i) switch
(ii) battery.

(e) Copy and complete the table below:

Material	One Property	One use
(i) Clay
(ii) Wawa
(iii) Aluminium

[25 marks]

4. (a) Copy and complete the table below by supplying one tool each for each of the following operations

Operation	Blockwork	Woodwork	Metalwork
(i) Cutting
(ii) Measuring
(iii) Striking

(b) Figure 2 shows the sketch of a handtool. Use it to answer the following questions:

(i) Write the name of the tool.
(ii) State one use of the tool
(iii) Identify the parts labelled Q, R and S.

(c) State three causes of accidents in the workshop
(d) State one reason for sprinkling water on sandcrete blocks.

[25 marks]

END OF PAPER 2 (ESSAY)

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June 2016
BASIC DESIGN AND TECHNOLOGY 2
(Pre-Technical Skills 2)

Essay
ANSWERS

SECTION A
(CORE SKILLS)
[20 marks]
Answer question 1

1. (a) List four stitches that can be used for neatening as well as embroidery work. [4 marks]

 Loop / blanket stitches
 Herringbone stitches
 Buttonhole stitches
 Machine stitches
 Back stitches
 Overcasting
 Crotcheting

(b) List four dishes which are easily contaminated [2 marks]

 Sauces
 Gravies
 Bread pudding
 Vegetable turnovers
 Soups
 Meat turnovers
 Fish turnovers
 Milk dishes
 Vegetable salad
 Fruits salad
NB: any other protein food accepted

(c) (i) List three sources where information can be obtained to solve design problems
[3 marks]

 Books and magazines
 Existing structre
 videos / films
 Questionnaire
 Interview
 Existing artefacts

(ii) List two methods of drawing objects in pictorial views. [2 marks]

 Oblique drawing
 Isometric drawing
 Perspective drawing

(iii) List two causes of weaknesses in wooden chairs. [2 marks]

 Use of unseasoned timber / defective timber
 Poor joints
 Poor construction (eg, missing nail, poor gluing, broken tongue)
 Improper use of the chair
 Over usage / old age

 

(d) (i) State one use of each of the elements listed below in a design [4 marks]

1. Shape: Used to create composition
2. Colour: Used for drawing and painting for beautification / code
/ identification
3. Space: Used in drawing and creating composition
4. Texture: Used to show the smoothness or roughness of an artwork/ appearance

(ii) Explain what a sketch is. [2 marks] A sketch is a drawing mostly done quickly showing only essential details.
A quick drawing of an object or idea.

(iii) State one reason why it is necessary to use a sketch when producing an object
[1 marks]

 For planning
 To avoid waste
 For selection
 It saves time spent on the work
 It gives an overview of the end product

SECTION B
[50 marks]
Answer two questions only from this section
All questions carry equal marks

2. Figure 1 shows the front elevation and plan of an object made from a mild steel sheet.

(a) Draw full size the following:
(i) front elevation
 drawing the base line
 drawing the two adjacent lines
 drawing the centre line

(ii) plan
 drawing the circle
 dividing the circle into equal number of parts

(iii) surface development
 drawing the seam
 drawing the arc
 stepping division from the plan onto the arc
 correct development of the cone

(b) (i) State the name of the object shown in Figure 1
Cone

(ii) List two tools used for cutting the mild steel sheet.
 snips
 shears
 junior hacksaw
 sheet saw

(c) (i) Make a freehand pictorial sketch of a try square.

(ii) Indicate and label any two parts of the try square sketched in question 2(c)(i)
 Blade
 stock
 Rivets
 Brass plate

3. (a) List two tools each used in carrying out the following operations in blockwork:
(i) laying
 hand trowel
 spirit level
 float
 gauge rod
 straight edge
 mortar board
 line and pins
 brick hammer / comb hammer
 bolster and club hammer
 builder’s square

(ii) setting out.
 builder’s square
 spirit level
 tape measure
 chalk
 pegs

(b) (i) Make a freehand pictorial sketch of a spade

(ii) Indicate and label any two parts of the spade sketched in question 3b(i)
 Handle
 Shaft
 Blade

(c) (i) State one use of the tenon saw.
 Used for cutting tenons
 For all general small cross cutting jobs

(ii) State one way of maintaining the tenon saw.
 Sharpening
 Shaping
 Setting
 Topping / jointing
 Oiling the blade
 Cleaning
 Racking the saw

(d) Sketch the representative symbol for each of the following electrical components:
(i) switch

(ii) battery.

(e) Copy and complete the table below:

[ROTATE YOUR PHONE TO HORIZONTAL DIRECTION TO VIEW ENTIRE TABLE]

Material	One Property	One use
(i) Clay	It swells when wet, it cakes with cracks when dried Shrinking ability is high. It does not adhere to cement. Soft, plastic and sticky when wet Shearing ability is high	Buildings, pots, local dishes, burnt bricks, roofing tiles, cement production, Blacksmith’s forge
(ii) Wawa	Cream / Yellow-white in colour. Interlocked and even-textured grain. Soft and easy to work with. It is not durable. Light in weight	Form work construction. Temporary structures in building construction sites. Inner veneers in plywood cheap furniture work.
(iii) Aluminium	Light in weight. Good conductor of electricity/ heat It is malleable. It is ductile. Corrosion resistant. Can be cast. Can be machined. Can be polished. Melts at 650°C. Shiny surface. High strength	Roofing sheet. Louvre frames. Louvre blades. Cooking utensils. Electrical cables. Cooking foil Parts of airplanes

 

4. (a) Copy and complete the table below by supplying one tool each for each of the following operations

[ROTATE YOUR PHONE TO HORIZONTAL DIRECTION TO VIEW ENTIRE TABLE]

Operation	Blockwork	Woodwork	Metalwork
(i) Cutting	Bolster, Brick/block hammer Wall chisel, Club hammer	Saws. Planes Chisels Gouges Brace bits	Hacksaws Files Chisels Shears Snips Drills Taps and dies
(ii) Measuring	Surveyors’ tape Tape measure Gauge rod Builders square Gauge box Head pan	Rule Tape measure Folding rule Dividers Wing compasses Callipers Sliding bevel	Steel rule, Steel tape measure, Micrometer screw gauge Venier callipers Inside and outside callipers Pair of compasses
(iii) Striking	Club hammer Brick hammer	Claw hammer Warrington hammer Cross pein hammer Straight pein hammer Mallet	Ball pein hammer Sledge hammer Mallets

(b) Figure 2 shows the sketch of a handtool. Use it to answer the following questions:

(i) Write the name of the tool.

Tenon saw

(ii) State one use of the tool

For cutting tenons,
For general small cross cutting joints

(iii) Identify the parts labelled Q, R and S.
Q – Handle
R – Blade
S – Toe

(c) State three causes of accidents in the workshop

 Slippery floors
 Running in the workshop
 Walking barefooted in the workshop
 Inattentiveness in the workshop
 Using wrong tools for the job
 Over confidence
 Not using protective clothing
 Using tools with faulty handles
 Carelessness

(d) State one reason for sprinkling water on sandcrete blocks.
 To help the block to attain its maximum strength through the process of curing
 To prevent rapid drying
 To reduce shrinkage
 To make it dense
 To prevent / reduce cracks
 To make it durable

END OF PAPER 2 (ESSAY) ANSWERS

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June 2016
BASIC DESIGN AND TECHNOLOGY 1
(Pre-Technical Skills 1)

Objective Test
40 minutes

1. The basic stitch which starts all crocheted articles is
A. chain
B. cross
C. loop
D. stem

2. A glass is best used to serve
A. cream
B. drinks
C. ice-cream
D. yoghurt

3. Which of the following is inexpensive to use in the rural area?
A. Coal pot
B. Electric cooker
C. Gas cooker
D. Kerosene stove

4. The visitors book signed at exhibitions help the exhibitor to know
A. the number of people who came
B. how many works were sold
C. the number of people who showed interest
D. what people observed about the work

5. In drawing, objects nearer the viewer are in the
A. background
B. foreground
C. horizon
D. middle ground

Use the sketch in Figure 1 to answer Questions 6 and 7

6. Which of the following represents the front elevation in the direction of arrow Z?

7. Which of the following represents the left end elevation in the direction of P?

8. Rhythm, balance and emphasis are
A. design processes
B. elements of art
C. idea developments
D. principles of design

9. 
The lines drawn above are
A. diagonal
B. parallel
C. vertical
D. zigzag

10. The final stage of the design process is the
A. evaluation
B. possible solutions
C. specification
D. working drawings

11. Which of the following is not a method of recording a data for solving a design problem?
A. Observation
B. Photographs
C. Sketches
D. Write-up

12. Which of the following joints will be suitable for a chair to be dismantled and reassembled?
A. Nail lap joint
B. Glued butt joint
C. Glued screw joint
D. Bolt and nut

13. 

Figure 2 shows the surface development of a
A. cylinder
B. hexagonal prism
C. hexagonal pyramid
D. square prism

14. Select a shading style from the following options
A. Glazing
B. Hatching
C. Sgraffito
D. Sketching

15. A formal outlet for raising money to start a sewing business is
A. a family member
B. a rural bank
C. money lenders
D. the susuman

16. The tool for compacting mortar in a mould box is a
A. gauge rod
B. mallet
C. rammer
D. tamping rod

17. Which of the following tools is suitable for pairing in wood?
A. Cross-cut chisel
B. Firmer chisel
C. Flat chisel
D. Mortise chisel

18. The sketch in Figure 3 shows a rivet with

A. countersunk head
B. flat head
C. pan head
D. snap head

19. Which of the following plastics is most suitable for making insulators?
A. Acrylic
B. Polyester resin
C. Polyvinyl chloride
D. Nylon

20. The main difference between bricks and blocks is that
A. bricks are smaller than blocks
B. blocks are smaller than bricks
C. bricks are made of clay
D. blocks are made of laterite

21. Which of the following protective clothing is used to protect the eyes when grinding a cold chisel?
A. Gloves
B. Goggles
C. Helmet
D. Mask

Use the sketch in Figure 4 to answer questions 22 and 23

22. The figure shows the process of
A. checking internal diameter of a workpiece
B. checking external diameter of a workpiece.
C. drawing a circle on a workpiece
D. measuring the length of a workpiece.

23. The tool being used for the operation is
A. inside calliper
B. odd leg caliper
C. outside caliper
D. veneer caliper

Use the sketch in figure 5 to answer Questions 24 and 25

24. The sketch shows a
A. 4 course wall
B. 5 course wall
C. 6 course wall
D. 7 course wall

25. The method for future continuation of the wall shown is
A. block indent
B. bonding
C. racking back
D. toothing

26. Electrical parts are covered with plastic materials for
A. insulating against shock
B. outside decoration of parts
C. protection against rust
D. improvement in conductivity

27. Turpentine is a type of
A. abrasive
B. adhesive
C. aggregate
D. finish

28. The methods of drawing objects in pictorial form are
I. Isometric
II. Oblique
III. Orthographic

A. I and II only
B. I, II and III
C. I and III only
D. II and III only

 

29. The drawing shown in Figure 6 is a/an
A. one-point perspective
B. two-point perspective
C. orthographic projection
D. isometric projection

30. The soft solder is an alloy of
A. lead and zinc
B. lead and tin
C. tin and zinc
D. zinc and copper

END OF PAPER 1 (OBJECTIVES)

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June 2016
BASIC DESIGN AND TECHNOLOGY 1
(Pre-Technical Skills 1)

Objective Test

ANSWERS

1. A. chain
2. B. drinks
3. A. Coal pot
4. D. what people observed about the work
5. B. foreground
6. A
7. B
8. D. principles of design
9. B. parallel
10. A. evaluation
11. A. Observation
12. D. Bolt and nut
13. B. hexagonal prism
14. B. Hatching
15. B. a rural bank
16. D. tamping rod
17. B. Firmer chisel
18. D. snap head
19. C. Polyvinyl chloride
20. A. bricks are smaller than blocks
21. B. Goggles
22. B. checking external diameter of a workpiece
23. C. outside caliper
24. B. 5 course wall
25. D. toothing
26. A. insulating against shock
27. D. finish
28. A. I and II only
29. A. one-point perspective
30. B. lead and tin

END OF PAPER 1 (OBJECTIVE) ANSWERS

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