Commercial processes (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What key property makes thermoplastics suitable for commercial processing?
What key property makes thermoplastics suitable for commercial processing?
They can be repeatedly heated & reshaped
Which two processes are the main commercial methods for processing polymers?
Which two processes are the main commercial methods for processing polymers?
Injection molding & extrusion
Which of these is NOT listed as a popular polymer used in commercial processes?
Which of these is NOT listed as a popular polymer used in commercial processes?
Polyvinyl chloride (PVC)
What is injection molding particularly valuable for?
What is injection molding particularly valuable for?
Mass production with repeatable accuracy
What component feeds polymer granules into the injection molding machine during Stage 1?
What component feeds polymer granules into the injection molding machine during Stage 1?
Hopper
What moves polymer granules forward along the heated barrel in Stage 1 of injection molding?
What moves polymer granules forward along the heated barrel in Stage 1 of injection molding?
Archimedes screw
During Stage 2 of injection molding, what role does the Archimedes screw perform?
During Stage 2 of injection molding, what role does the Archimedes screw perform?
Acts as a plunger to push molten polymer
What helps cool the polymer quickly during Stage 3 of injection molding?
What helps cool the polymer quickly during Stage 3 of injection molding?
Water channels around the mold
What pushes the finished product out of the mold during Stage 3?
What pushes the finished product out of the mold during Stage 3?
Ejector pins
How does extrusion differ from injection molding in terms of output?
How does extrusion differ from injection molding in terms of output?
Creates continuous lengths not items
What is a mandrel used for in the extrusion process?
What is a mandrel used for in the extrusion process?
Creating hollow products like pipes
What benefit does a mandrel provide when creating hollow sections?
What benefit does a mandrel provide when creating hollow sections?
Ensures uniform wall thickness