
KAHOOT: Conociendo los Materiales
Quiz
•
Engineering
•
12th Grade
•
Practice Problem
•
Medium
Alba Cuevas
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué mide un ensayo de tracción?
La capacidad de absorber impactos
La resistencia a ser estirado
La dureza superficial
La conductividad térmica
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En el ensayo de tracción, la relación entre tensión y deformación en la zona elástica se llama:
Ley de Newton
Ley de Pascal
Ley de Hooke
Ley de Coulomb
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Según la Ley de Hooke, ¿qué relación hay entre tensión (σ) y deformación (ε)?
σ = E · ε
σ = m · a
σ = F / t
σ = ε / E
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué representa la zona de proporcionalidad en un diagrama tensión-deformación?
Donde el material se rompe
Donde σ y ε son proporcionales
Donde empieza la deformación plástica
Donde aparece la estricción
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué ocurre si se supera el límite elástico de un material?
Vuelve a su forma original
Se funde
Se deforma permanentemente
Mejora su tenacidad
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué propiedad mide un ensayo de compresión?
Resistencia a ser comprimido
Resistencia al estiramiento
Capacidad de absorber energía
Dureza superficial
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de estos ensayos de dureza usa una bola de acero?
Vickers
Rockwell
Brinell
Charpy
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