
STA_PLA_finale
Quiz
•
Instructional Technology
•
10th Grade
•
Practice Problem
•
Medium
antonio screti
Used 3+ times
FREE Resource
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In quale anno è stata inventata la plastica?
1849
1869
1889
1909
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Da quale delle seguenti fonti si ottiene principalmente la plastica?
Carbone
Petrolio
Silicio
Gas naturale
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è una caratteristica peculiare delle materie plastiche?
Sono facilmente infiammabili
Conducono il calore come i metalli
Possono essere modellate più volte in condizioni diverse
Mantengono la loro rigidità a tutte le temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la fase iniziale del processo di lavorazione della plastica?
Polimerizzazione
Frazionamento del petrolio
Cracking termico
Distillazione dell'acqua
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale tra questi è un esempio di un materiale plastico termoplastico?
Nylon
Silicone
Bachelite
Gesso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le materie plastiche conducono bene il calore.
Vero
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali delle seguenti proprietà meccaniche caratterizzano le materie plastiche?
Elevata resistenza alla trazione ma scarsa resistenza alla torsione
Bassa resistenza alla compressione ma elevata resistenza alla trazione
Elevata resistenza alla trazione, torsione e compressione
Alta resistenza a trazione e torsione, ma scarsa resistenza alla compressione
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