
VMVJ-Metalografía
Authored by QRO CIMATEAM
Education
University
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿De que esta echo el disco de la cortadora metalográfica?
Carburo de tungsteno
Carburo de silicio
Carburo de calcio
Carburo de boro
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.¿Qué se coloca en el vástago de la montadora antes de colocar la pieza?
Baquelita
Desmoldante
Resina
Embudo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuánto tiempo dejamos que caliente la resistencia el material?
20 minutos
5 minutos
10 minutos
15 minutos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿A qué presión se debe mantener la montadora para tener un encapsulado correcto?
5Mpa
15Mpa
10Mpa
20Mpa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué lijas se le aplica a una pieza de acero?
120, 320, 600,400
240,500,600,200
120,240,320,400,600
400,600
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué se le pone al paño para darle un mejor acabado espejo?
Alúmina
Desmoldante
Nada
Agua
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas rpm se necesitan para lijar y pulir aluminio?
120
200
250
100
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