CSEC Technical Drawing Paper 1 May/June 2021 - Free CXC Past Paper with Answers

In the drawing 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

step off 12 equal divisions on AC

measure AB and divide it into 3 parts

The diagram 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

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

In the diagram, ABCD is a parallelogram. The triangle CDE is equal in area to

To which of the following classes of fire is a drawing office MOST at risk?

Class A: Fires fuelled by flammable materials

Class B: Fires fuelled by flammable liquids

Class C: Fires fuelled by flammable gases

Class D: Fires fuelled by flammable metals

The fire emergency exit doors leading from a workshop should open

Which of the following diagrams BEST represents an external and an internal tangent?

Which of the following statements BEST describes an equilateral triangle?

All the sides and angles are equal.

All the sides are equal but the angles are unequal.

All the sides are unequal but the angles are equal.

Neither the sides nor the angles are equal.

A student falls and hits his head hard against the edge of a technical drawing table. He is MOST likely to suffer from a

Which of the following developments shows a cylinder which is cut obliquely at both ends?

Which of the following constructions is illustrated above?

Circles in isometric

Circles in perspective

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

perimeter and altitude

length of the diagonals

perpendicular distance between the sides

On which of the following planes is the 'plan' shown?

Which of the following can be found on an ellipse if the major and minor axes are given?

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

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

Which of the following is used to draw an octagon if the length of one side is given?

A protractor, using the 40° angle

A protractor, using the 72° angle

Which of the following drawings is the end elevation X of the block shown above?

Rectangle divided into two squares

Two adjacent rectangles

Which of the following can be used as a vanishing point in a perspective drawing?

Which of the following are NOT examples of polygons?

Isosceles and scalene

Heptagon and decagon

Eccentric and concentric

Which of the following 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.

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

A quadrilateral with only ONE pair of parallel sides is a

In the diagram above, the line indicating a cutting plane is labelled

Which of the following gives the order in which the angles are shown?

Acute, reflex, obtuse

Reflex, acute, obtuse

Reflex, obtuse, acute

Obtuse, acute, reflex

Which of the following layouts represents the correct orthographic projection of a shaped block?

Item 29 refers to the following drawing instrument.

Which of the following represents the size of angle X in the drawing instrument shown?

A deep laceration to the arm by a sharp tool requires the victim to

go to the hospital and get medical help

ignore the laceration and allow it to heal naturally

apply a large bandage and pressure to the laceration

apply surgical alcohol and allow the blood to cool down naturally

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

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

Which of the following has position but NOT magnitude?

Item 34 refers to the following diagram.

The diagram shows the process of

drawing a smaller square

reducing a figure by area measurements

enlarging a figure by linear measurements

enlarging a figure by area measurements

Which of the following sequences indicates how to draw a square equal in area to a triangle?

Triangle, square, rectangle

Square, triangle, rectangle

Triangle, rectangle, square

Rectangle, triangle, square

A right angle triangle can be constructed if given the

axis and the ordinate

hypotenuse and one other side

When a straight line touches an arc and forms a right angle with the radius of the arc

the curve blends exactly

a point of tangency is formed

the line and the arc are similar in shape

Item 38 refers to the following diagram.

The lines marked X on the diagram 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 objects

Item 39 refers to the following diagram.

The conic section at A-A appears as

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

What is the value of the angle β?

Short arrowheads are usually placed at right angles to the ends of which of the following types of lines?

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

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

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

show that any angle in the semicircle is 90°

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

Given that one of the angles of a rhombus is 120°, which of the following is the value of one of the interior adjacent angles?

Which of the following diagrams shows the correct division of a line (geometrically) into two parts in the ratio 2:3?

Item 46 refers to the following diagram.

The drawing above represents a room which measures 4000 mm × 2500 mm. The scale used in the drawing is

A development of an object is a drawing showing

the unfolding of the surfaces

In the diagram, a crank, QR, rotates about a fixed centre, R. A rod, PQ, is pin-pointed to the crank at Q and freely slides in guides at P. The locus traced by point S for one revolution of QR is