Question 1

Name a feature of PETG

Accepted Answer

Approved for contact with food

Answer

Not flexible

Answer

Low print temperature

Answer

Highly elastic

Question 2

What material is most commonly used in Fused Deposition Modeling (FDM) 3D printing?

Accepted Answer

PLA

Answer

Resin

Answer

Nylon

Answer

ABS

Question 3

What is the primary limitation of using Fused Deposition Modeling (FDM) in 3D printing?

Accepted Answer

Surface finish

Answer

Material availability

Answer

Cost of equipment

Answer

Printing speed

Question 4

Which 3D printing technology uses UV light to cure liquid resin into solid objects?

Accepted Answer

Stereolithography (SLA)

Answer

Selective Laser Sintering (SLS)

Answer

Binder Jetting

Answer

Fused Deposition Modeling (FDM)

Question 5

What is the main purpose of using a support structure in 3D printing?

Accepted Answer

To support overhangs during printing

Answer

To reduce material costs

Answer

To enhance the color of the print

Answer

To improve printing speed

Question 6

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

Accepted Answer

Customization of designs

Answer

Higher production speed

Answer

Increased durability of products

Answer

Lower material costs

Question 7

What is a potential environmental benefit of 3D printing?

Accepted Answer

Reduced material waste

Answer

Increased energy consumption

Answer

Higher emissions compared to traditional methods

Answer

More landfill waste

Question 8

What is a disadvantage of using 3D printing for large-scale production?

Accepted Answer

Slower production speed compared to traditional methods

Answer

Higher cost per unit

Answer

Lower quality of finished products

Answer

Limited material options

Question 9

Which of the following techniques is commonly used in 3D printing to fuse layers together?

Accepted Answer

Fused Deposition Modeling (FDM)

Answer

Electroforming

Answer

Laser Sintering

Answer

Lost-wax casting

Question 10

What is a common application of 3D printing in the medical field?

Accepted Answer

Creating custom prosthetics

Answer

Producing medications

Answer

Manufacturing surgical instruments

Answer

Designing hospital buildings

Question 11

Which material is commonly used in 3D printing to create prototypes?

Accepted Answer

PLA

Answer

Wood

Answer

Glass

Answer

Steel

Question 12

Which 3D printing technique uses a laser to sinter powdered material?

Accepted Answer

SLS

Answer

SLA

Answer

FDM

Answer

DLP

Question 13

What does the term 'layer height' refer to in 3D printing?

Accepted Answer

The thickness of each individual layer of material printed

Answer

The total height of the finished print

Answer

The width of the printer nozzle

Answer

The speed at which the printer operates

Question 14

What type of 3D printing uses light to cure liquid resin?

Accepted Answer

SLA

Answer

SLS

Answer

Binder Jetting

Answer

FDM

Question 15

Which of the following materials is commonly used for flexible 3D printing?

Accepted Answer

TPU

Answer

PLA

Answer

ABS

Answer

PETG

Question 16

What is the primary disadvantage of using FDM 3D printing for high-precision applications?

Accepted Answer

Layer adhesion strength can be insufficient

Answer

It requires too much time to print

Answer

It cannot produce complex geometries

Answer

It is the most expensive method

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