stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
PLASTICS 3 ESO Flashcards | StudBud
Explore
/
PLASTICS 3 ESO
PLASTICS 3 ESO
23 terms
·
StudBud Administration
·
137 plays
A quiz on plastics for 3 ESO. Subject: Technology
Flashcards
23 cards
F
Practice quiz
P
Host live
L
Questions
23
Answers
1
Plastics are:
elastomers which forms atoms
thermoplastics
light and resistant to high temperatures
the result of the polymerization of monomers
2
Polyvinyl chloride (PVC)
pipes, waterproof fabrics, electrical insulators
sports equipment, aircrafts wings
diving suits and special hoses
white foam, protective packaging
3
Plastics are relatively cheap
False
True
4
thermoplastics are rigids and very difficult to recycle
False
True
5
ELASTOMERS CAN'T BE RECYCLED
True
False
6
thermosets are easy to recycle
False
True
7
Are Plastics Monomers or Polymers
Polymers
Monomers
8
Processes of fabrication of plastic
extrusion, injection, blowing, compression, vaccum
extrusion, blowing and vaccum
extrusion, blowing and compression
extrusipn, injection, blowing, compression, vaccum, blast furnace
9
The common uses of PET are:
sports equipment
plastic bottles and food containers
white foam
pipes, electrical insulators
10
Thermoplastics can be heated and moulded lots of times
False
True
11
Thermosets ate strong and resistent to heat
False
True
12
Plastics are light
False
True
13
The main type of plastics are:
thermosets, thermoplastics and elastomers
thermosets and thermoplastics
thermosets, thermostables and thermoplastics
14
Plastics are materials formed by...
chains of carbon and oxygen atoms.
chains of carbon and nitrogen atoms.
chains of carbon and oxigen atoms.
chains of carbon and hydrogen atoms.
15
The plastic coding system
number 7 is for plastics that are easy to recycle
Makes recycling difficult
Uses more than 20 different codes
indicates the type of plastic that we normally recycle
16
the most common uses of expanded polyestyrene (EPS)
plastic bottles and containers
protective packaging and white foam
aircraft wings, sports equipment
diving suits apecial hoses
17
Elastomers are...
...polymers formed by carbon and oxygen.
...softened by heating and can be re-melted.
...softened by heating but can't be re-melted.
...flexible materials that degrade easily with heat.
18
Epoxy resines are used for
plastic bottles and food containers
pipes, waterproff fabrics
aircraft wings and sports equipment
diving suits, special hoses
19
Plastic are
easy to biodegradate
heavy
non-corrosive
toxic
20
Polyethylene (PET) is a...
Thermoplastic
Thermoset
21
Additives are subtances which are added to the plastic to change its properties
True
False
22
The elastomers are used to manufacture...
wetsuits
all are correct
lycra clothes
car wheels
23
Plastics aren't waterproof
False
True
