CSEC Technical Drawing Paper 1 May/June 2016 - Free CXC Past Paper with Answers

Item 1 refers to the following diagram.

How is the centre of the circle in the drawing above located?

By drawing two chords

By bisecting each chord

By bisecting each angle

By drawing three chords

Which of the following is MOST important about the hexagon? I. It can be constructed if given the diameter of the circumscribing circle. II. It can be constructed if given the across-flat dimension. III. It can be constructed by drawing tangents to the circle with a 60° set square.

Which of the following circles is correctly dimensioned?

In technical drawing, the phrase 'curves meeting each other tangentially' means that the curves

will not blend properly

have sufficient clearance

will meet at right angles

A circle is drawn inside a polygon. If that circle touches all the sides of the polygon, it is known as

a circumscribed circle

Which of the following BEST describes the quadrilateral?

A square-shaped figure

The point where two lines meet

A four-sided figure with two parallel sides and equal angles

A plane figure bounded by four straight lines and whose interior angles add up to 360°

If the perimeter of a rhombus is 152 mm, then the length of one side is

If a triangle with a perimeter of 198 mm is constructed with sides in the ratio of 2:3:4, the SHORTEST side will be

Item 9 refers to the following diagram.

In the diagram above, which of the labelled lines indicates a cutting plane line?

Which of the following instruments is used to draw electrical and architectural symbols quickly?

Item 11 refers to the following diagram.

The diagram above shows the development of a

square transitional piece

square to round transitional piece

right cone cut parallel to the base

right cone cut at an angle to the base

Item 12 refers to the following diagram.

The development above was drawn from a truncated

A development of an object is a drawing showing

the unfolding of the surfaces

A quadrilateral with ONE pair of parallel sides is a

Which of the following instruments is used to draw horizontal lines when using a drawing board?

If the length of a line on a drawing is 25 mm and the scale ratio is 1:10, then the actual length is

Item 17 refers to the following diagram.

In the diagram above, ABCDEF is a regular hexagon. What is the size of angle X?

Item 18 refers to the following diagram.

In the diagram above, the angle EFH is

When designing a new product, which type of drawing is usually made FIRST?

A regular polygon with an exterior angle of 72° is

An eraser shield is MAINLY used to

keep an eraser clean

measure eraser marks

keep the drawing clean

allow erasure of part of a line

Which of the following are NOT examples of polygons?

Isosceles and scalene

Eccentric and concentric

Heptagon and decagon

Item 23 refers to the following diagram.

The diagram above shows part of the construction necessary for drawing an ellipse. What term describes the points E and F?

Item 24 refers to the following diagram.

Which of the following polygons can be constructed in the circle above that has a radius of 8P?

Construction lines must be drawn

Which of the following can be found if given the major and minor axes?

Which of the following instruments is used to draw irregular curves?

To draw a circle to pass through the three given points, E, F and G, one MUST first

construct chords EF and FG

draw any chord and bisect it

draw a circle 30 mm in diameter

construct the tangents to the arc of the circle

The diagram above illustrates the proper method of

constructing an ellipse with trammel

constructing the hyperbola as a conic section

finding the foci, the normal and the tangent of an ellipse

finding the focus of a parabola and the tangent at a point

Which of the following diagrams illustrates how to bisect a straight line?

In order to construct a tangent from the point P to the circle in the diagram above, one must FIRST

join P to the centre

join P to a point on the circumference

What is the value of angle P in the diagram above?

In the diagram above, the ratio of the area of EFGH to that of EGIJ is

The development shown above represents that of

a heptagonal pyramid

Which of the following procedures is used when constructing the circumscribed circle of a triangle?

Bisect any two sides.

Draw any two chords.

Bisect any two angles.

Draw the extension of two sides.

In the diagram above, if OT is 75 and radius OP is 45 what is the length of the tangent TP?

The diagram above shows the construction of a regular hexagon, given the

perimeter and altitude

length of the diagonals

perpendicular distance between the sides

The diagram above shows how to find the centre of an arc with radius R which is tangential to

two straight lines meeting at any angle

two straight lines meeting at right angles

The lines marked X on the diagram above are symbols which indicate

the axes of symmetrical parts

that the edges are to be measured

that sections are to be removed

the continuation of the object

Which of the following diagrams shows the correct construction of a rhombus, given one diagonal and the length of the sides?

The true shape of the cut surface A-A on the right cone above is

The diagram above is to be reproduced in third-angle projection. On which of the following views can the distance X be measured?

I. End II. Plan III. Front

Patterns for cones and pyramids are produced by line development known as

The representative ratio for a scale of 1 mm equals 1 m is

Which of the following triangles has all angles the same size and all sides the same length?

Item 48 refers to the following diagram.

The diagram shows the construction of a rectangle BCDE that is

half the area of triangle ABC

twice the area of triangle ABC

equal to the area of triangle ABC

the same perimeter as triangle ABC

The sum of the angles in a quadrilateral is

When two or more circles are drawn from the same centre but with different radii, the circles are said to be

In the diagram above, in order to divide AB in the ratio 4:5.3 by proportional divisions, it is necessary to first

step off 12 equal divisions on AB

measure AB and divide it into 3 parts

step off 12 equal divisions on AC

If a car picks up a tack on the circumference of one of its tyres, then the path traced by the tack as the car is driven is called

an archimedean spiral

In the ellipse above, which sum of distances is equal to AB?

What is the value of the angle ẞ?

The tangent to an ellipse is a straight line passing through

one point on the curve

the minor axis and one focal point

any focus and one point on the curve

a given point on the curve and perpendicular to the normal

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

The method of construction shown in the diagram above is used to

show that any angle in the semicircle is 90°

draw a tangent to a circle from a given point, P

draw a tangent to a circle through a given point, S

show that the area of the semicircle is half that of the circle

The hyperbola above has an eccentricity of 3:2. The distance, x, is equal to

CSEC Technical Drawing Paper 1 May/June 2016 - Free CXC Past Paper with Answers

CSEC Technical Drawing Paper 1 May/June 2016 Questions