
MSED 30/5/22
Authored by Daniel Segovia
Science, Mathematics
3rd Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El 70% del calor se concentra en la pieza.
a) Corriente continua
b) Corriente alterna
c) Polaridad neutra
d) Polaridad directa
e) Polaridad inversa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. El 70% del calor se concentra en el extremo del electrodo.
a) Corriente continua
b) Corriente alterna
c) Polaridad neutra
d) Polaridad directa
e) Polaridad inversa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
. ¿Cuál es el ángulo de inclinación de la pistola para soldar aceros inoxidables de 1, 2 y 3 mm en el proceso GTAW?
a) 15°
b) 45°
c) 35°
d) 50°
e) 40°
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El Tungsteno fue seleccionado como material del electrodo por su:
Elija al menos una respuesta correcta.
Propiedad mecánica
Alto porcentaje de torio
Alto punto de fusión
No se contamina
No se consume fácilmente
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El…………es el más usado por que es fácil de obtenerlo proporciona mejor protección a menor grado de presión y para la soldadura en posición plana y vertical es suficiente un caudal de 15 a 30 pies cúbicos/hora.
Elija al menos una respuesta correcta.
Hidrogeno
Helio
Nitrógeno
Argón
Co2
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