WorksheetsExtrusion of Plastics Quiz
Total questions: 15
Worksheet time: 8mins
What materials can be used in the extrusion process?
Paper, cardboard, fabric, and clay
Cotton, wool, silk, and leather
Wood, metal, glass, and rubber
Polystyrene, nylon, polypropylene, and polythene
What type of plastics are used in extrusion?
Bioplastics
Thermosetting plastics
Elastomers
Thermoplastics
What is the role of the motor in the extrusion machine?
To turn a thread that feeds granules of plastic
To cool the extruded material
To cut the extruded shapes
To paint the extruded shapes
What happens to the plastic granules in the extrusion process?
They solidify immediately
They melt into a liquid
They dissolve in water
They evaporate
What determines the shape of the extruded tube?
The temperature of the heater
The shape of the die
The color of the plastic
The speed of the motor
What is the shape of the hole in the steel die shown in the animation?
Triangle
Square
Circle
Hexagon
What is the final state of the extruded material after cooling?
Liquid form
Powder form
Gas form
Solid shape
What is the similarity between extrusion and injection moulding machines?
Both use a hammer to shape the material
Both use a motor to turn a thread
Both use a laser to cut the material
Both use water to cool the material
What can dies be manufactured to?
Almost any section/shape
Only triangular shapes
Only square shapes
Only circular shapes
What is the purpose of the heater in the extrusion machine?
To cut the plastic granules
To paint the plastic granules
To cool the plastic granules
To melt the plastic granules
What is the process of forming a long 'tube-like' shape called?
Compression moulding
Blow moulding
Injection moulding
Extrusion
What is the main characteristic of thermoplastics?
They can be reshaped when heated
They are biodegradable
They are magnetic
They are transparent
What happens to the plastic when it is forced through the die?
It forms a specific section/shape
It dissolves in water
It changes color
It becomes magnetic
What is the function of the die in the extrusion process?
To determine the shape of the extruded material
To heat the plastic
To cool the plastic
To paint the plastic
What is the final step in the extrusion process?
Cooling the extruded material
Painting the extruded material
Heating the extruded material
Cutting the extruded material
