résistance des matériaux
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
ROMAIN WAGENER
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quelle sollicitation sera soumise cette poutre ?
Flexion
Traction
Compression
Cisaillement
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans quel cas de chargement les contraintes dans la pièce seront elles les plus faibles ?
CAS N°1
CAS N°2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que représente le symbole σ dans la relation σ= N/S ?
la valeur de l'effort
la contrainte tangentielle
la contrainte normale
la surface sollicitée
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Des valeurs de résistance Re, Rr, et Rpe laquelle est la plus élevée ?
Re
Rr
Rpe
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lequel de ces alliages d'aciers est le plus résistant ?
S235
S355
C40
E360
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle constante permet de calculer Rpe (résistance pratique élastique) à partir de Re (résistance élastique) ?
On retire 20%
ca dépend du matériaux
un coefficient de sécurité
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle sollicitation génère ce type de contrainte ?
Traction
Flexion
Cisaillement
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