Créer jeu
Jouer Test
1. 
Which are the two main substances the wood is made up?
A.
trunk
B.
lignin
C.
timber
D.
cellulose
2. 
What is the natural fibre that forms the walls of the plant cells?
A.
wood
B.
lignin
C.
sap
D.
cellulose
3. 
What substance holds the cellulose together making tree hard and rigid?
A.
cellulose
B.
lignin
C.
cambium
D.
trunk
4. 
Which are the two types of natural wood depending on where it comes from?
A.
hard and soft
B.
resinous and non-resinous
C.
resinous and deciduous
5. 
Non-resinous wood
A.
comes from desiduous trees
B.
resist bad weather
C.
has a lot of resin
D.
is from teak, aok,, beech, olive...
6. 
Does resinous wood come from evergreen trees?
A.
TRUE
B.
FALSE
7. 
The resinous wood is the only one that can be laminated
A.
TRUE
B.
FALSE
8. 
The most important tree family of the resinous wood is
A.
CYPRESSES
B.
OAK
C.
CONIFER AS PINES OR FIRS
9. 
Wood is soft and easy to scrath but some woods are harder than other. The darker a wood is, the
A.
softer
B.
harder
10. 
Is wood a good thermal and electrical insulator?
A.
FALSE
B.
TRUE
11. 
What is the hygroscopicity of the wood?
A.
The ability of absorbing humidity
B.
the ability of being scratched
C.
the ability of being deformed
12. 
Which property explain that wood splits easily in the longitudinal direction of the fibres?
A.
density
B.
flexibility
C.
splitability
D.
hardness
13. 
Which of these are properties of wood?
A.
good thermal and electrical insulator
B.
flexibility
C.
high density
D.
good toughness
E.
good sound conductivity
F.
good splitability
14. 
Why does wood float up in water?
A.
Because of its flexibility
B.
Because of its hygroscopicity
C.
Because of its low density
15. 
Wood is tough but it not hard because
A.
it is not very resistant to breaking and it is easy to be scrathed
B.
it is very resistant to breaking and it is easy to be scrathed
C.
it is very resistant to breaking and it is not easy to be scrathed
16. 
What commercial form of wood is?
A.
strips
B.
mouldings or profiles
C.
beams
D.
boards
17. 
What commercial form of wood is?
A.
boards
B.
beams
C.
panels
18. 
What commercial form of wood is?
19. 
What commercial form of wood is?
20. 
What commercial form of wood is?
21. 
What commercial form of wood is?
22. 
What commercial form of wood is?
23. 
What of these are properties of the prefabricated wood from natural wood?
A.
Prefabricated wood is more uniform
B.
Prefabricated wood wraps more frequently
C.
Fungicide, insecticide and damp-proofing treatments may be applied to it
D.
Prefabricated wood is more expensive than natural wood
E.
Prefabricated wood is made from wood from trees whose quality is unsuitable for sawing
F.
Prefabricated wood is not available in several finishes
24. 
Which of these pictures corresponds to plywood?
A.
B.
C.
25. 
What is the most well-known type of fibreboard?
A.
OAK
B.
MDF
C.
SAP
26. 
Which are the main cellulose-based wood derivatives?
A.
packaging
B.
paper
C.
cork
D.
cardboard