Brazing Metals Quiz

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Brazing Metals Quiz
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• Brazing is used to join which
• two metals?

Brass To Brass
Copper To Copper
Steel to Steel
Aluminium to Aluminium
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2. What is the filler rod made from?
Silver
Iron
Tin
Aluminium
Steel
Copper
Brass
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• Why would it be impossible to
• braze aluminium with normal
• brass brazing rods?

Because Aluminium is too hard
Because Aluminium has too low a melting point and
would melt before the brass
Because Aluminium has too high a melting point
and will not melt.
Because aluminium is non ferrous
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• At approximately what
• temperature does brazing take
• place.

200C
300C
400C
500C
700C
900C
1100C
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5. Which of the following abrasive materials
would be used to clean the steel before
brazing?
Wet Dry Silicon Carbide paper
Emery Cloth
Aluminium Oxide paper
Wire wool
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• What is the flux used for ?
• (Click on the two correct answers)

To prevent the steel oxidising during the
brazing process
To speed up the brazing process
To clean the metal by dissolving any oxides
already present
To make the final joint stronger
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• What is the flux used for ?
• (Click on the two correct answers)

And the second reason is.
To prevent the steel oxidising during the
brazing process
To speed up the brazing process
To clean the metal by dissolving any oxides
already present
To make the final joint stronger
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7. The correct temperature is reached when
the work piece is
Dull red
Cherry Red
White Hot
As hot as possible
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8. When completed the work piece should be
cooled .
Slowly
Under cold water
Does not matter
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Quiz Completed
Well Done
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