Design and Communication Technology Mock 2026

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Design and Communication Technology Mock 2026

Question 1 of 50

In isometric drawing, the receding axes are drawn at what angle to the horizontal?

A. 45° B. 30° C. 60° D. 90°

Question 2 of 50

In oblique drawing, the receding lines are usually drawn at

A. 30° B. 15° C. 45° D. 90°

Question 3 of 50

A drawing with two vanishing points on the horizon line is

A. one-point perspective B. isometric projection C. two-point perspective D. oblique projection

Question 4 of 50

A drawing that shows the parts of an assembly pulled apart but kept in line is

A. a sectional view B. an exploded view C. a plan D. a perspective sketch

Question 5 of 50

Adding tone, colour and texture to a drawing to make it look realistic is

A. dimensioning B. rendering C. projecting D. scaling

Question 6 of 50

Hidden edges in an orthographic drawing are shown with

A. thick continuous lines B. short dashed lines C. chain lines (long and short dashes) D. wavy lines

Question 7 of 50

Centre lines are drawn as

A. thin chain lines (long dash, short dash) B. thick dashed lines C. zigzag lines D. double lines

Question 8 of 50

On engineering drawings in Ghana, dimensions are normally given in

A. metres B. inches C. centimetres D. millimetres

Question 9 of 50

A line that touches a circle at only one point is a

A. chord B. diameter C. tangent D. secant

Question 10 of 50

The study of designing products to suit the people who use them is

A. aesthetics B. ergonomics C. economics D. tessellation

Question 11 of 50

In design, aesthetics refers to

A. the cost of a product B. the strength of its materials C. how a product looks and appeals to the senses D. the speed of manufacture

Question 12 of 50

A list of requirements that a design solution must meet is a

A. portfolio B. prototype C. specification D. sketch

Question 13 of 50

A working model built to test a design before full production is a

A. prototype B. blueprint C. template D. logo

Question 14 of 50

During product analysis, the question "Who is this product for?" is about the

A. target user (market) B. manufacturing cost only C. colour of the product only D. weight of the materials

Question 15 of 50

In cabinet oblique drawing, the receding depth is drawn at

A. full size B. a quarter size C. twice the size D. half size

Question 16 of 50

In third-angle projection, the plan is placed

A. above the front view B. below the front view C. to the right of the plan D. behind the end view

Question 17 of 50

In a sectional view, the cut surfaces are shown with

A. thick dashed lines B. dots C. solid black fill D. thin hatching lines at 45°

Question 18 of 50

A drawing made at a scale of 1 : 5 shows a part 40 mm long. What is its real length?

A. 8 mm B. 45 mm C. 200 mm D. 400 mm

Question 19 of 50

A table 600 mm long is drawn at a scale of 1 : 10. How long is it on the drawing?

A. 6 mm B. 60 mm C. 600 mm D. 6,000 mm

Question 20 of 50

Each interior angle of a regular hexagon is

A. 60° B. 120° C. 108° D. 135°

Question 21 of 50

The golden ratio is approximately

A. 1.618 B. 3.142 C. 2.718 D. 1.414

Question 22 of 50

A rectangular sign measures 1.2 m by 0.5 m. What area of acrylic sheet is needed?

A. 1.7 m² B. 0.6 m² C. 6 m² D. 0.06 m²

Question 23 of 50

Measurements of the human body used in design are called

A. biometrics B. geometry C. anthropometrics D. statistics

Question 24 of 50

Which of these is a thermosetting plastic?

A. polyethylene B. PVC C. melamine formaldehyde D. acrylic

Question 25 of 50

The curve traced by a point on a string as it is unwound from a circle is

A. a parabola B. a cycloid C. an ellipse D. an involute

Question 26 of 50

The path traced by a point on the rim of a wheel rolling along a straight line is

A. a helix B. an involute C. a cycloid D. a spiral

Question 27 of 50

An auxiliary view is drawn mainly to show

A. the price B. hidden detail C. the colour of the object D. the true shape of an inclined surface

Question 28 of 50

An ellipse can be drawn using the

A. tangent method only B. stepping method C. concentric circles method D. free-hand method only

Question 29 of 50

An involute is the curve traced by

A. the end of a string unwound from a circle B. a point on a rolling circle C. a moving point equidistant from two points D. a straight line

Question 30 of 50

A cycloid is traced by

A. a point on a circle rolling along a straight line B. unwinding a string C. a compass D. a set square

Question 31 of 50

An auxiliary view shows

A. the true shape of an inclined surface B. the front view only C. the plan only D. the inside of a part

Question 32 of 50

Planometric drawing keeps the

A. side view only B. front view only C. plan view true shape, rotated at 45° D. perspective

Question 33 of 50

A helix is the curve traced by a point

A. moving around a cylinder while advancing along it B. on a flat circle C. on a straight line D. on a cone base only

Question 34 of 50

To draw a regular octagon in a square, you can use

A. arcs from the corners with radius half the diagonal B. a protractor only C. random lines D. a French curve

Question 35 of 50

An interpenetration drawing shows

A. the line where two solids intersect B. a single solid C. a perspective view only D. a flat net

Question 36 of 50

In two-point perspective, all vertical lines remain

A. horizontal B. converging to a third point C. vertical D. curved

Question 37 of 50

A product life-cycle analysis considers

A. raw materials, manufacture, use and disposal B. only the selling price C. only the colour D. only advertising

Question 38 of 50

In oblique cavalier projection the receding axis is drawn at 45° with

A. double depth B. half-scale depth C. no depth D. full-scale depth

Question 39 of 50

A Gantt chart shows

A. tasks against time in a project B. colour schemes C. electrical circuits D. body measurements

Question 40 of 50

Isometric scale makes lengths about

A. 50% of true length B. 82% of true length C. equal to true length D. 120% of true length

Question 41 of 50

In first-angle projection, the end view seen from the left is drawn

A. below the plan B. to the left of the front elevation C. above the plan D. to the right of the front elevation

Question 42 of 50

A line that appears as a point in the plan must be

A. parallel to the horizontal plane B. perpendicular to the horizontal plane C. inclined D. curved

Question 43 of 50

Chain-dimensioning can cause

A. faster drawing only B. reduced errors C. accumulation of tolerances D. no effect

Question 44 of 50

The area of a regular hexagon of side 10 mm is about

A. 173 mm² B. 100 mm² C. 600 mm² D. 260 mm²

Question 45 of 50

A parabola is the locus of a point that moves so that its distance from a fixed point equals its distance from

A. another point B. a fixed line (directrix) C. a circle D. the origin only

Question 46 of 50

An ellipse drawn by the trammel method requires the lengths of the

A. circumference B. foci only C. major and minor axes D. tangents

Question 47 of 50

The 5th to 95th percentile range of anthropometric data is used so that a design fits

A. 90% of users B. all users C. 5% of users D. 50% of users

Question 48 of 50

Acrylic is bent along a line at about

A. 160 °C using a strip heater B. 20 °C C. 500 °C D. 1,000 °C

Question 49 of 50

The circumference of an ellipse is approximated by π(a + b) for small eccentricity. For a = 50 mm and b = 30 mm this gives about

A. 157 mm B. 251 mm C. 314 mm D. 80 mm

Question 50 of 50

A cycloid is generated by a circle of radius 20 mm rolling one revolution. The base length is about

A. 40 mm B. 63 mm C. 126 mm D. 251 mm

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.