Materials - Plastic - JSS1 Basic technology Past Questions and Answers - page 1
Why are plastics considered versatile materials?
Due to their fragility
Due to their lightweight and moldability
Due to their high cost
Due to their limited application
What is a common source of plastics?
Wood
Rocks
Petroleum
Water
What is a key characteristic of plastics?
High conductivity
Brittleness
Versatility
Opacity
What property makes plastics suitable for outdoor environments?
Corrosion resistance
Conductivity
Brittleness
Transparency
What industry commonly used plastics for packaging?
Automotive
Construction
Food and beverage
Aerospace
What advantage do plastics offer in the automotive industry?
Weight reduction
Increased fuel consumption
Limited design options
High cost
What role do plastics play in construction?
They provide structural support
They are used for insulation
They are primarily used for metalworking
They increase building weight
What is a common characteristic of plastics compared to metals?
High density
High conductivity
Low cost
High weight
What makes plastics suitable for packaging products?
Their weight
Their opacity
Their versatility
Their brittleness
In which industry are plastics commonly used for manufacturing interior and exterior components?
Aerospace
Automotive
Construction
Electronics