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Digital Manufacturing. 3D Printing

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is the first step to create a 3D design?

a)

Buy a 3D design software

b)

Search for inspiration in existing designs

c)

Draw the design on paper

d)

Have a clear concept or idea of the object you want to design

2.

The most common subtractive manufacturing tools are ...

a)

3D printers, 2D printers, and multilayer extruders

b)

Hammers, screwdrivers and pliers

c)

Milling machines, lathes and laser cutters

d)

3D printers, nozzles and hot extruders

3.

Identify the different parts of the device showed in the picture corresponding to the letters

a)

A. Ribbon

B. Distribuitor

C. Adjustment

D. Hot layer

E. Product screen

b)

A. Filament

B. Nozzle

C. Hot-end

D. Print bed

E. Electronics

c)

A. Material

B. Pointer

C. Adjusting nut

D. Product plate

E. Controls

4.

What is the process of 3D printing?

a)

A method of 2D printing that uses special ink to create 3D effects

b)

An additive manufacturing technique that involves creating 3D objects by layering material

c)

A manufacturing technique that uses molds to create 3D objects

d)

A subtractive manufacturing process that uses a laser to carve the material

5.

there are three distinct phases in three dimensional printing:

a)

Drawing, Cutting and Printing

b)

Design, Build and Printing

c)

Design, Slicing and Printing

d)

Drawing, Heating and Printing

6.

What is a commonly used material in 3D printing?

a)

Wood

b)

Glass

c)

Metal

d)

PLA Plastic

7.

What software is used to create 3D designs?

a)

Microsoft Excel

b)

AutoCAD, FreeCAD, SketchUp

c)

Adobe Photoshop

d)

Microsoft Word

8.

What is the function of a slicer in the 3D printing process?

a)

Make the model bigger

b)

Convert the 3D model into printable layers

c)

Remove the layers from the 3D model

d)

Convert the model into a video file

9.

What is the extrusion temperature in FDM 3D printing?

a)

The temperature at which the plastic filament cools

b)

The temperature at which it is printed in 2D

c)

The temperature at which the plastic filament is heated and melted

d)

The temperature at which the metal melts in 3D printing

10.

What is the importance of the heated bed in 3D printing?

a)

Avoid the use of supports

b)

Prevent material deformation and improve adhesion to the base.

c)

Improve print quality

d)

Increase print speed

11.

What is the advantage of 3D printing over traditional manufacturing methods?

a)

Less precision in manufacturing

b)

Limitation in complexity of shapes and structures

c)

Ability to create complex shapes and structures more efficiently and with less material waste

d)

Higher consumption of material and resources

12.

The use of plastics must be done in accordance with the rule of the 3 Rs:

a)

Recover, Repair and Recycle

b)

Reduce, Remember and Recycle

c)

Recover, Reduce and Recycle

d)

Reduce, Reuse and Recycle

13.

Which plastic is used for domestic use?

a)

ABS (Acrylonitrile Butadiene Styrene)

b)

PLA (Polylactic Acid)

c)

PLS (Polynitrile Lacid Styrene)

14.

Which natural materials is PLA made from?

a)

Salt and Sugar Cane

b)

Sugar Cane and Corn Starch

c)

Corn Starch and Salt

15.

Which of the following is false regarding PLA?

a)

It doesn´t release toxic gases

b)

It has a potent (strong) smell

c)

It is biodegradable

d)

It doesn´t need a heated print bed

16.

Why should ABS plastic be used in a ventilated environment?

a)

It is very hot

b)

It is not biodegradable

c)

It releases harmful gases

17.

All of the following are true except....

a)

ABS plastic is recyclable

b)

ABS plastic can be used at high temperatures

c)

ABS plastic is biodegradable

d)

ABS plastic is tough and has some flexibility

18.

You need to make an object with plastic that can withstand 255 ºC. Which plastic would you use?

a)

PLA

b)

ABS

19.

The most flexible filament in the world, created by a Spanish company, is called?

a)

Laywoo-D3

b)

Filaflex

c)

Laybrick

20.

Which filament would be used to create this object?

a)

Laybrick

b)

Laywoo-D3

c)

Filaflex