An inert gas must be passed through the tubing system when brazing to prevent oxidation of the inside surfaces of the material.
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Q1: In general, welding operations will produce distortions
Q2: _ provides satisfactory joints for low temperature,
Q3: The first and foremost concern in all
Q4: Which of the following is NOT a
Q5: Soldering provides excellent joints for which types
Q7: Solder joints are suitable for copper tubing
Q8: A _ is the void produced in
Q9: When two pieces are to be joined
Q10: A _ is an area of molten
Q11: _ involves filler materials that melt at
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