brazing metals quiz steel to steel copper to copper aluminium to aluminium brass to brass 1.brazing...
TRANSCRIPT
Brazing Metals Quiz
Steel to Steel
Copper To Copper
Aluminium to Aluminium
Brass To Brass
1. Brazing is used to join which two metals?
2. What is the filler rod made from?
Brass
Iron
Steel
Aluminium
Tin
Copper
Silver
Because Aluminium has too lowa melting point and would melt before the brass
Because Aluminium has too higha melting point and will not melt.
Because aluminium is non ferrous
Because Aluminium is too hard
3. Why would it be impossible to braze aluminium with normal brass brazing rods?
4. At approximately what temperature does brazing take place.
1100˚C
400˚C
700˚C
500˚C
900˚C
200˚C
300˚C
5. Which of the following abrasive materials would be used to clean the steel before brazing?
Aluminium Oxide paper
Wet & Dry Silicon Carbide paper Emery Cloth
Wire wool
To speed up the brazing process
To clean the metal by dissolving any oxides already present
To make the final joint stronger
To prevent the steel oxidising during the brazing process
6. What is the flux used for ?(Click on the two correct answers)
To speed up the brazing process
To clean the metal by dissolving any oxides already present
To make the final joint stronger
To prevent the steel oxidising during the brazing process
6. What is the flux used for ?(Click on the two correct answers)
And the second reason is….
Cherry Red
Dull red
White Hot
As hot as possible
7. The correct temperature is reached when the work piece is ……
Does not matter
Under cold water
Slowly
8. When completed the work piece should be cooled ….
Well Done
Quiz Completed
Wrong
Click here to try again