ferro a fondo

Quiz
•
Professional Development
•
Professional Development
•
Hard
javi profe
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chegamos a facer unha proba de soldadura na que temos que facer unha unión a tope con chaflán para un pase de raiz
Ofrecenos varios electrodos
Cal elixiremos?
rutilo 2,5
basico 3,25
308 L
Depende do espesor e o talón.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Antes de empezar a soldar , que deberiamos de comprobar?
Que os electrodos estean quentes
Que teñamos a polaridade optima
Que o gas de proteccion estea aberto
Son correctas B e C.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Temos que soldar en posicion 2F unha peza de gran resistencia e responsabilidade, como procedemos?
que solde Salva
unha pasada con 7016 de gran rendimiento
deixaremos unha garganta adecuada
faremos un cordon de penetracion.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Por que debemos ter os electrodos dentro de unha estufa ou forno?
porque asi a sua temperatura esta mais proxima á temperatura de fusion
para que gratinen mellor
para que o revestimento non absova humidade
para que non se peguen ó arrancar.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Que gases podemos usar como proteccion para soldar
helio + argon
helio
argon
ioxido de carbono
todas son correctas
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cal é a principal causa de unha mordedura no cordon de soldadura?
intensidade elevada
exceso de gas
arco electrico moi corto
arco electrico moi largo
todas son correctas
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
se tivera que soldar unha peza a tope con unha importante resistencia mecanica usaria a posicion:
2F
3F
6F
3G
filete
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