Plastic Manufacturing

Question 1

What is the primary raw material used in plastic manufacturing?

Answer 1

Petrochemicals

Question 2

True or False: Plastics can be recycled multiple times.

Answer 2

True

Question 3

What process involves heating plastic until it becomes pliable and then shaping it?

Answer 3

Thermoforming

Question 4

Fill in the blank: The two main types of plastics are __________ and thermosetting plastics.

Answer 4

thermoplastic

Question 5

Which plastic is known for its high impact resistance and is commonly used for making containers?

Answer 5

Polypropylene (PP)

Question 6

Identify the term: The process of creating a plastic product by injecting molten plastic into a mold.

Answer 6

Injection molding

Question 7

What is the main advantage of using plastics in manufacturing?

Answer 7

Lightweight and versatile

Question 8

True or False: Thermosetting plastics can be remolded once they have been set.

Answer 8

False

Question 9

What is the name of the plastic that is often used in 3D printing?

Answer 9

PLA (Polylactic Acid)

Question 10

Which additive is commonly used to improve the UV resistance of plastics?

Answer 10

UV stabilizers

Question 11

What is the process called that involves the continuous flow of plastic through a die to create sheets or films?

Answer 11

Extrusion

Question 12

Fill in the blank: __________ is a common thermoplastic used for making water bottles.

Answer 12

PET (Polyethylene Terephthalate)

Question 13

Which of the following is a characteristic of biodegradable plastics? (a) Non-renewable (b) Decomposes naturally (c) High melting point

Answer 13

b) Decomposes naturally

Question 14

What is the purpose of using fillers in plastic manufacturing?

Answer 14

To reduce cost and improve properties

Question 15

What type of plastic is commonly used for electrical insulation?

Answer 15

PVC (Polyvinyl Chloride)

Question 16

True or False: All plastics are recyclable.

Answer 16

False

Question 17

What is the term for the ability of a material to be stretched and return to its original shape?

Answer 17

Elasticity

Question 18

Name one environmental concern associated with plastic manufacturing.

Answer 18

Pollution and waste accumulation

Question 19

Fill in the blank: __________ is a process where plastic is melted and forced through a die to create a specific shape.

Answer 19

Extrusion

Question 20

What is the main function of plasticizers in plastics?

Answer 20

To increase flexibility

Question 21

Which plastic is known for its clarity and is often used in optical applications?

Answer 21

Polycarbonate

Question 22

What does the term ‘thermoplastic’ refer to?

Answer 22

Plastics that can be heated and reshaped multiple times

Question 23

True or False: All plastics are derived from natural sources.

Answer 23

False

Question 24

What is the environmental impact of microplastics?

Answer 24

They can pollute oceans and harm wildlife.

Question 25

Which method is used to test the strength of a plastic material?

Answer 25

Tensile testing

Question 26

What is the significance of the recycling symbol on plastic products?

Answer 26

It indicates the type of plastic and its recyclability.

Question 27

Name one common use of polystyrene.

Answer 27

Packaging materials or insulation.