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- 1. Multiple Choice
Subtractive manufacturing... (Choose 2 answers.)
involves the adding of material to make a final product.
involves the removal of material to make a final product.
is exemplified by the work of a sculptor.
is exemplified by the work of a bricklayer.
- 2. Multiple Choice
Examples of Subtractive manufacturing machines are... (Choose 2 answers.)
CNC router.
CNC cutter.
3D printer.
CNC 3D printer.
- 3. Multiple Choice
Additive manufacturing... (Choose 2 answers.)
involves the adding of material to make a final product.
involves the removal of material to make a final product.
is exemplified by the work of a sculptor.
is exemplified by the work of a bricklayer.
- 4. Multiple Choice
An example of an Additive manufacturing machine is a...
CNC router.
CNC cutter.
3D printer.
CNC 3D printer.
- 5. Multiple Choice
What are the two types of additive manufacturing machines? (Choose 2 answers.)
MDF
FDM
DFM
LSA
SLA
- 6. Multiple Choice
What does FDM mean?
Fixed Deposited Modelling (FDM)
Fused Deposited Modelling (FDM)
Fixed Depositing Modelling (FDM)
Fused Depositing Modelling (FDM)
- 7. Multiple Choice
The speed of creating a product on an FDM machine is...
slow.
fast.
very fast.
very slow.
- 8. Multiple Choice
FDM machines build their 3D objects...
left-to-right.
top-to-bottom.
right-to-left.
bottom-to-top.
- 9. Multiple Choice
In order to work, the FDM machine needs...
a cold filament which passes through a hot extruder that then deposits on a hot bed.
a cold filament which passes through a hot extruder that then deposits on a cold bed.
a hot filament which passes through a hot extruder that then deposits on a hot bed.
a cold filament which passes through a cold extruder that then deposits on a cold bed.
- 10. Multiple Choice
Which of the following statements is TRUE for an FDM machine? (Choose 2 answers.)
It is very expensive.
A 2cm model is made up of 300 layers of deposited metal.
It is relatively cheap.
A 4cm model is made up of 600 layers of deposited plastic.
- 11. Multiple Choice
Which of the following statements is TRUE for a PLA filament? (Choose 2 answers.)
The abbreviation PLA means Polyacidic Acid.
It is a chemically created material.
It is a natural, organic and biodegradable material.
The abbreviation PLA means Polyactic Acid.
- 12. Multiple Choice
Which of the following statements is TRUE for an ABS filament? (Choose 2 answers.)
It is a chemically created material.
It is a natural, organic and biodegradable material.
It is presented in many colours and textures.
It is available only in the colour red.
- 13. Multiple Choice
Which of the following statements is TRUE for an ABS filament? (Choose 2 answers.)
The abbreviation ABS mean A Best Seller.
The abbreviation ABS mean Acrylonitrile Butadiene Styrene.
One filament roll weighs 1Kg, costs 50 Euro and is 90m long.
One filament roll weighs 1Kg, costs 90 Euro and is 50m long.
One filament roll weighs 10Kg, costs 90 Euro and is 10m long.
- 14. Multiple Choice
FDM Additive 3D printing occurs in the following way: (Choose 2 answers.)
Step 1: The user, using CAD software creates a diagram.
Step 1: File with X-Y coordinates sent to the 3-D printer.
Step 2: The user, using CAD software creates a diagram.
Step 2: The software digitally slices the CAD diagram.
- 15. Multiple Choice
(cont..) FDM Additive 3D printing occurs in the following way: (Choose 2 answers.)
Step 3: When 1 slice is completed, the slice above is printed.
Step 3: Every slice is converted into X and Y coordinates.
Step 4: File with X-Y coordinates sent to the 3-D printer.
Step 4: Hot extruder goes to the X-Y location and deposits plastic.
- 16. Multiple Choice
(cont..) FDM Additive 3D printing occurs in the following way: (Choose 2 answers.)
Step 5: Every slice is converted into X and Y coordinates.
Step 5: Hot extruder goes to the X-Y location and deposits plastic.
Step 6: The software digitally slices the CAD diagram.
Step 6: When 1 slice is completed, the slice above is printed.
- 17. Multiple Choice
Which of the following statements is TRUE? (Choose 3 answers.)
The SLA is resin that hardens when it comes in contact with air.
Protective clothing is needed when using SLA machines.
FDM is more precise than an SLA.
The SLA prints its model from top-to-bottom.
When the printing process is completed, the model still needs to be cleaned and cured.
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