BECE 2016 Basic Design And Technology (Pre Technical Skills ) Past Question Paper Two

1

(a) List four stitches that can be used for neatening as well as embroidery work.

(b) List four dishes which are easily contaminated

(c) (i) List three sources where information can be obtained to solve design problems
(ii) List two methods of drawing objects in pictorial views.
(iii) List two causes of weaknesses in wooden chairs.

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

1. Shape:
2. Colour
3. Space:
4. Texture:

(ii) Explain what a sketch is.
(iii) State one reason why it is necessary to use a sketch when producing an object

 (a) List four stitches that can be used for neatening as well as embroidery work.

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

(b) List four dishes which are easily contaminated

 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

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

(ii) List two methods of drawing objects in pictorial views.
 Oblique drawing
 Isometric drawing
 Perspective drawing

(iii) List two causes of weaknesses in wooden chairs.
 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

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.
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

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

2

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

Bece-2016-BDT-P-retechnical-Skills-Question-number-2a-image

(a) Draw full size the following views:
(i) front view;
(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)

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

(d) 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

Bece-2016-BDT-P-retechnical-Skills-Question-number-2diii-answer-image

(e) (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

(f) (i) Make a freehand pictorial sketch of a try square.
Bece-2016-BDT-P-retechnical-Skills-Question-number-2fi-answer-image

(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
(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

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
Bece-2016-BDT-P-retechnical-Skills-Question-number-2bi-answer-image

(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
Bece-2016-BDT-P-retechnical-Skills-Question-number-3di-answer-image

(ii) battery.
Bece-2016-BDT-P-retechnical-Skills-Question-number-3dii-answer-image

(e) Copy and complete the table below:

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

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:

Bece-2016-BDT-Home-Economics-Question-number-4b-answer-image

(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.

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

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

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