Materiali industriali
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Medium
Lina Bonfé
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I metalli refrattari si fondono
tra 500 °C e 2000 °C
a temperature inferiori di 500 °C
a temperature maggiori di 2000 °C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La dilatazione termica è una proprietà dei materiali
fisica
chimica
meccanica
tecnologica
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Si definisce ____________ l'attitudine dei materiali di variare il proprio volume al cambiare della temperatura (due parole)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le forze meccaniche applicate in zone ristrette sono dette forze
statiche
concentrate
di attrito
periodiche
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sono forze applicate esternamente lungo l'asse del corpo
trazione e torsione
trazione e flessione
trazione e compressione
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le forze applicate alla biella del motore a scoppio sono dette
forze statiche
forze dinamiche
forze periodiche
forze di attrito
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le proprietà tecnologiche rappresentano l'attitudine di un materiale di resistere alle azioni provocate dalle forze esterne che tendono a deformarlo
vero
falso
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