Materiales metálicos
Quiz
•
Other
•
12th Grade
•
Practice Problem
•
Hard
M M.
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles de las siguientes no son propiedades mecánicas de los materiales metálicos?
Dureza, tenacidad, fragilidad.
Aleabilidad, magnetismo, conductividad térmica.
Ductilidad, plasticidad, elasticidad.
Tenacidad, rigidez, resistencia.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Metales ferrosos:
Acero
Estaño
Hierro
Fundición
Aluminio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se denomina una aleación Fe-C con más de 1,76% de carbono?
Acero
Bronce
Fundición
Hierro dulce
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué características tiene el ensayo de dureza Brinell?
No destructivo, estático, mecánico, tecnológico.
Destructivo, dinámico, mecánico, científico.
No destructivo, dinámico, tecnológico, científico.
Destructivo, estático, mecánico, científico.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿De qué material es la esfera utilizada para el ensayo de dureza Brinell?
Acero templado
Aluminio
Diamante
Plata
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué dos variables participan en el cálculo de la dureza Brinell?
Fuerza y rozamiento.
Fuerza y superficie de la huella.
Fuerza y aceleración.
Diámetro esfera y velocidad.
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
HB (Hardness Brinell) es una unidad de...
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