5
Test A
Technology II ESO
PHOTOCOPIABLE MATERIAL /
© Oxford University Press España, S.
A
Name ____________________________
Surname _________________________________________________
Course and group ____________
Date _________________________
Note __________________________
1.
Define the following stresses. Put the direction
and path of the forces in the box and give an
example.
Stress
Forces
Traction
Compression
Bending
2. Complete
the following table on structural
elements and their stresses (in the first row,
the incorrect option is crossed out).
Element
Position
Stress
that it bears
Beam
Vertical /
Horizontal /
Inclined
Traction /
Bending /
Compression
Pillar
Cable
suspender
Plinth
3. Complete the following sentences with the
correct words:
a)
Structures that are likely to move are
called______.
b)
We say that a structure is rigid when it
doesn't ______.
c)
In order for a structure to be_____, it must
bear the_____ acting on it without breaking.
d)
Arches are made of pieces called______;
the central part is the________, and the
side parts are the________. The pieces of
the arch are subjected to ______stress.
e)
The______ are the intermediate level
between the building and the ground.
f)
The open space between the supports of a
beam is called the_______.
4.
Write on the illustration the name of each
element and say what stress they can support.
5. Draw the following elements: horseshoe arch,
lintel, flying buttress and pilaster.
6. Give five examples of loads that can act on
the building you are in now. Say whether they
are fixed or variable.
7. Add bars to these structures to give them
completely rigidity.
8.Think about a soft drink can, a wooden boat
and a plane. What part of these objects make
up its structure? What loads do they have to
bear?
9.Design a structure of paper rods measuring 35
cm in heigh
which could hold 2 kg of weight at
the top. Draw it at a scale of 1:5.