tecnologia, macchine complesse

Quiz
•
Other
•
3rd Grade
•
Medium
Alberto Arcangeli
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
di quale macchina complessa si tratta
una turbina
un motore termico
un elettroutensile
una macchina operatrice
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
l'immagine raffigura un dispositivo utilizzato per ridurre l'attrito ci chiama...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
nell'immagine è raffigurato un sistema di trasmissione a .....
cinghia
catena
cardano
ingranaggi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cosa trasforma una macchina generatrice o generatore
trasforma l'energia chimica in elettrica
trasforma l'energia elettrica in meccanica
trasforma l'energia meccanica in chimica
trasforma l'energia meccanica in elettrica
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
per aumentare la velocità che rapporto di trasmissione (r.t. = diametro ruota motrice diviso diametro ruota condotta) utilizzi
2
1
1/2
1/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
in salita che rapporto utilizzi in bici
corona grande e pignone grande
corona piccola e pignone grande
corona piccola e pignone piccolo
corona e pignone dello stesso diametro
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
come si chiamano le ruote sulle quali scorrono le cinghie
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