Fabrication

Instructions:

For the six questions:

• choose the correct answer
• write down your answer.

1. When marking out material, what would you use a datum line for?

1. To mark the positions to drill holes.
2. To mark the material to be cut (removed).
3. To mark a fixed starting point or line.
4. To indicate the position of outlines.

2. When marking out material, what would you use a witness mark for?

1. To mark the positions to drill holes.
2. To mark the material to be cut (removed).
3. To mark a fixed starting point or line.
4. To indicate the position of outlines.

3. When marking out material, what would you use an outline for?

1. To mark the positions to drill holes.
2. To mark the material to be cut (removed).
3. To mark a fixed starting point or line.
4. To indicate the position of outlines.

4. When marking out material, what would you use a centre line for?

1. To mark the positions to drill holes.
2. To mark the material to be cut (removed).
3. To mark a fixed starting point or line.
4. To indicate the position of outlines.

5. What is the function of a pilot hole?

1. To indicate the position of outlines.
2. To allow a large hole to be drilled easily.
3. To allow for mounting of a round meter.
4. To assist the bending of material.

6. What should you do to assist the process of drilling a hole through metal?

1. Use a centre punch to mark the position.
2. Highlight the area with chalk or blue ink.
3. Slightly heat the material.
4. Vary the drill speed.

 

When you have finished:

• show your answers to your trainer
• close this window and choose a new activity from the menu.