Skills: Oxy-acetylene brazing ≈ Metal cutting ≈ Grinding & shaping ≈ Research ≈ Presentation drawing ≈ Painting & polishing ≈ Bending ≈ Sheet metal fabrication ≈ MIG

welding ≈ Reflection & evaluation

≈

Projects: Metal dice ≈ Model motorbike ≈ Tool tray

Assessment Due Materials Technology Process

Oxy-acety lene worksheet 6th August 10% Workshop sa fe ty Throughout course 10% Meta l d ice 10th September 30% Meta l d ice draw ing & eva luat ion 10th September 10% Motorb ike des ign fo l io 24th September 50% Motorb ike 29th October 50% Manufac tur ing invest iga t ion 12th November Sheet meta l too l t ray 5th November 20% Sheet meta l d raw ing & eva lua t ion 5th November 20%

NAME:

2

1. Label and colour the oxy-acetylene equipment.

3

2. Name and describe the four flames shown on the right:

1.

2.

3.

4.

3. At what temperature does flame #4 typically burn?

4. List at least three uses for oxy-acetylene equipment:

1.

2.

3.

5. Describe the procedure for turning on and lighting oxy-acetylene equipment:

6. Describe the proceeding for turning off and shutting down oxy-acetylene equipment:

7. At what pressure should regulators typically be set for oxy-acetylene brazing?

4

8. Briefly describe the process of oxy-acetylene brazing:

9. What is the purpose of flux used when brazing?