
LAIR1001 MidTerm Unidad4
Authored by Roberto Velez
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál de los siguientes materiales es el más común en refrigeración y aire acondicionado por su facilidad para soldar?
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué clasificaciones tienen los tubos de cobre según su espesor de pared?
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué tipo de soldadura se recomienda para sistemas de refrigeración de gran capacidad?
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué dificultad presenta el Presto-lite para soldar en lugares reducidos?
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué porcentaje aproximado del aire que nos rodea está compuesto por oxígeno?
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cómo se debe producir el acetileno ya que no forma parte del aire atmosférico?
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuánto se debe abrir la válvula del tanque de acetileno por ser un gas muy inflamable?
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