7.
Which of the following diagrams represents the construction of a tangent to a circle at a point on the circumference?
- (A)
- (B)
- (C)
- (D)
Free CXC Technical Drawing Paper 1 May/June 2020 past paper from 2020. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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CSEC Technical Drawing Paper 1 May/June 2020 - Free CXC Past Paper with Answers
Free CXC Technical Drawing Paper 1 May/June 2020 past paper from 2020. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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Which of the following is the correct symbol for a third-angle projection?
A cone
A hemisphere
A cylinder
A sphere
Which of the following is the correct symbol for a first-angle projection?
A cone
A hemisphere
A cylinder
A sphere
Which of the following is the correct symbol for a hemisphere?
A cone
A hemisphere
A cylinder
A sphere
Which of the following is the correct symbol for a sphere?
A cone
A hemisphere
A cylinder
A sphere
Which of the following is the correct symbol for a cylinder?
A cone
A hemisphere
A cylinder
A sphere
Which of the following is the correct symbol for a cone?
A cone
A hemisphere
A cylinder
A sphere
Which of the following diagrams represents the construction of a tangent to a circle at a point on the circumference?
AB is equal to
minor axis
major axis
major axis
minor axis
In the diagram above, in order to divide AB in the ratio 4:5:3 by proportional divisions, it is necessary to first
divide 72 by 6
step off 12 equal divisions on AB
measure AB and divide it into 3 parts
step off 12 equal divisions on AC
On which of the labelled plane(s) is the 'plan' shown?
I only
II only
III only
I and III only
Which of the following steps is NOT a part of the process for bisecting an angle?
Marking parallel lines
Drawing a line through intersect-ing arcs
Drawing a perpendicular through the arcs
Opening the compasses to any suitable radius
Item 12 refers to the following construction. G F D C 1 UNIT H 1 UNIT B A E
The construction above shows that
BCDE is equal in area to BDE
ABCD is equal in area to AEB
ABCD is twice the area of HBFG
HBFG is twice the area of ABCD
Which of the following instruments is used to draw electrical and architectural symbols quickly?
Template
Protractor
Flexi-curve
Beam compass
Which of the following instruments is used to draw irregular curves?
Compass
Protractor
Flexi-curve
Radius curve
If a rectangle with sides 100 mm and 75 mm is constructed accurately, then each of the diagonals should measure
110 mm
115 mm
120 mm
125 mm
When a draftsman is drawing a true horizontal line, the pencil point should be guided by a
scale
T-square
set square
straight edge
Which of the following lines is used to outline a finished drawing?
The fire emergency exit doors leading from a workshop should open
inwards
upwards
outwards
sideways
Which of the following statements are true about 25 in the diagram above?
I. It is an abbreviation for radius. II. It indicates that the surface is square. III. It avoids using a second dimension.
I and II only
I and III only
II and III only
I, II and III
In the diagram above, a location dimension is represented by
I
II
III
IV
A right angle triangle can be constructed if given the
perimeter only
length of the chord
axis and the ordinate
hypotenuse and one other side
A man has to transform a 100 mm square drawing to the largest octagonal shape that it will contain. Which of the following instruments should he use to perform the exercise?
30° set square
Inside caliper
Divider and set square
Outside caliper and divider
In technical drawing, the phrase 'curves meeting each other tangentially' means that the curves
will not blend properly
will meet at right angles
will not touch each other
will just touch each other
What term describes the points E and F?
Focal
Normal
Minor axes
Major axes
If an ellipse is drawn with a major axis of 100 mm and a minor axis of 75 mm, then the distance between the focal points, to the nearest mm, is
50
56
60
66
When a solid is cut by a cutting plane parallel to its base and the top is removed, the remaining part is called
a frustum
an oblique
an isometric
a truncated
Item 28 refers to the following diagram.
The diagram above shows how to find the centre of an arc with radius R which is tangential to
a straight line
a line and a circle
two straight lines meeting at any angle
two straight lines meeting at right angles
Item 27 refers to the following diagram.
The lines labelled in the diagram indicate various centre lines for the object.
Which of these centre lines are drawn axially?
AB
CD
EF
GH
A materials safety data sheet provides guidance on the
art of drawing safety materials on data sheets
safe handling of potential hazards in the home
safe handling of potential hazards in the workplace
art of safely handling data sheets when labelling materials
Which of the following drawings shows triangles of equal area between parallel lines?
Which of the following terms are NOT names of polygons?
Kite and rhombus
Isosceles and scalene
Heptagon and decagon
Eccentric and concentric
Drawing (A)
The name of the point where all of the lines converge in a perspective drawing is the
meeting point
common point
receding point
vanishing point
In the ellipse above, which sum of distances is equal to AB?
AC + BC
F₁C + CD
F₂C + CB
F₁C + F₂C
Which of the following solids is represented by the drawing above?
Rectangular pyramid
Truncated square pyramid
Oblique rectangular pyramid
Part section of a right truncated pyramid
The drawing above shows the development of a truncated
cylindrical pipe
rectangular pipe
hexagonal prism
hexagonal pyramid
What is the correct order of the following steps involved in drawing a tangent to a circle from any point outside the circle? I. Join the centre to the point outside the circle. II. Draw a circle and choose a point outside the circle. III. Bisect the line which joins centre to point and draw a semicircle.
I, II, III
II, I, III
II, III, I
III, II, I
Which of the following instruments is used to quickly draw such items as bolt heads, nuts, electrical and architectural symbols?
Stencil
Protractor
Radius curve
Beam compass
Item 40 refers to the following construction.
In the construction above, the angle X is
60°
65°
70°
75°
Item 41 refers to the following diagram.
The eccentricity of FP:PQ in the diagram above is
1:1
1:2
1:3
1:4
Item 42 refers to the following diagram.
The diagram above shows the intersection of the three isometric axes. What is the value of the angle β?
30°
45°
60°
120°
Item 45 refers to the following diagram.
Which of the following polygons can be constructed in the circle above that has a radius of 8P?
A hexagon
A nonagon
A pentagon
An octagon
The representative ratio for a scale of 1 mm equals 1 m is
1: 100
1: 200
1: 1000
1: 2000
Which of the following properties is true for a plane figure which undergoes a linear reduction only?
Proportions are changed.
Proportions remain the same.
Dimensions remain the same.
Dimensions and proportions are changed.
The sum of the angles in a quadrilateral is
180°
360°
540°
720°
Triangle ABC is drawn within a semicircle of diameter 100 mm. AB is equal to 80 mm, what is the length of BC?
60 mm
50 mm
36 mm
32 mm
The diagram above shows the construction of a regular hexagon, given the
length of the sides
perimeter and altitude
length of the diagonals
perpendicular distance between the sides
In which of the following projections is the object illustrated above drawn?
Oblique
Isometric
First angle
Orthographic
The purpose of the construction above, when completed, is to
draw a tangent to the circle from L
draw an arc to pass through three points
draw two tangents to the circle from T
find the mean proportional to LO and MO
The oblique lines of a 100 mm cube in cabinet drawing will each measure
25 mm
50 mm
75 mm
100 mm
The diagram above shows a triangle constructed from a given altitude and base angles. What is the value of Angle X°?
45°
140°
135°
120°
The diagram above shows the development of a
square transitional piece
right cone cut parallel to the base
square to round transitional piece
right cone cut at an angle to the base
Which of the following developments shows a cylinder which is cut obliquely at both ends?
Item 58 refers to the following diagram.
The drawing above represents a room which measures 2500 mm × 4000 mm. The scale used in the drawing is
1:5
1:10
1:20
1:50
Item 59 refers to the following diagram.
In the diagram above, EF to EF' is in the ratio 3:4. The length of EF' is
15
30
60
90
Which of the following layouts represents the correct orthographic projection of a shaped block?
