Fusione a cera persa e saldatura

Quiz
•
Other
•
12th Grade
•
Medium
MATTEO ALONZI
Used 5+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nella fusione a cera persa la cera
Viene trasformata in lega
Viene carbonizzata, quindi sostituita da una lega
Viene calcinata, quindi sostituita da una lega
Viene fatta evaporare
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
L'elemento che serve a fornire lega liquida per tutta la solidificazione del getto è detta
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La cera da fusione deve essere
calcinabile
morbida
rosa
collante
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La massa da rivestimento serve a
a realizzare lo stampo del modellato
proteggere il modellato dalle alte temperature
colare modelli refrattari
aumentare la bagnabilità della cera
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una massa da rivestimento poco refrattaria è quella a legante
Gessoso
Fosfatico
Siliceo
Nessuna delle risposte
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Durante il preriscaldo avviene l'espansione
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La fusione di una lega può avvenire mediante fonditrice
A resistenza
A cilindro
Ad induzione
A cannello
Rotativa
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