Engrenage et énergie - Elèves STI2D 2023
Quiz
•
Science
•
8th Grade
•
Practice Problem
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Hard
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27 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Lequel de ces assemblages est EFFECTIVEMENT une TRANSMISSION mécanique?
Engrenage à Double transmission
Engrenage droit
Vis-Ecrou
Vélo entier.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Que faire lorsque l'on augmente la vitesse d'un engrenage? (2 actions)
On agrandit l'épaisseur des dents du pignon
on lance Warzone
On rétrécit l'épaisseur des dents de la roue
On agrandit l'épaisseur des dents de la roue
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien de tours fait un pignon de 12 dents quand une roue de 36 dents en fait 1?
4 tours
2 tours
3 tours
6 tours
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Comment évolue la puissance entre chaque train d'engrenage?
Constante
Augmente
Diminue
Disparait
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
De quoi est composé un train d'engrenage?
de 2 pignons de même taille
de 3 pignons de petite taille
D'un pignon et d'une roue au moins
de deux roues
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Comment réduire la vitesse d'un engrenage?
on allonge le train d'engrenage
on fixe un pignon
on enchaine des roues de même taille
on augmente la taille des roues
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Qu'est ce qui constitue un train d'engrenage?
Deux engrenages , de même module
2 engrenages sans Nodules
3 engrenages de même module
3 engrenages de modules différents
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