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WorksheetsMaterials Questions
Total questions: 20
Worksheet time: 11mins
Things, materials, substances and components found in the natural environment
synthetic materials
natural resources
artifical resources
pure resourses
Crude oil is used to make different kinds of plastics including PVC, vinyl and styrofoam.
true
false
What is a synthetic material?
Any material that is man made
Any material that is only made from natural resources
Any material that is made of recycled materials
Any material that is found in nature.
Once formed, it can be heated and reformed over and over again
thermoset
thermoplastic
elastomer
kevlar
Which of the following determine the properties of a polymer?
chemical nature of the monomer
length of the polymer chain
how the monomers are joined together
All of the above
One disadvantage of Injection Molding is
Tooling Cost
Tight Tolerances
No post process needed
Low volumes
What does HDPE mean?
High Density Polystyrene
High Density Polyethylene
High Depth Polyvinyl chloride
High Design Polyether
What does PVC stand for?
Polyvinyl chloride
Polyvinyl cholesterol
Polyvinyl chlorine
Polyvinyl chlorite
What type of resin would be used for PCB boards?
Bakerlite
Tree Resin
Epoxy Resin
Three part resin
HDPE is often used for what type of product?
Clingfilm
Carrier bags
CD cases
Petrol cans
What does polymers mean?
many parts
pieces of poly
string of parts
lots of them
How are these bottles made?
Blow moulding
blow extrusion
extrusion moulding
injection bottles
Which if these is a non-ferrous metal?
stainless steel
copper
mild steel
iron
Which of these are manufactured boards?
MDF
Plywood
Plyboard
Stock board
What are standard components?
components that are made to exact standards
things you can buy anywhere
components that are tested to reach safety limits
components made to a range of set sizes, shapes and forms
What does FSC timber mean?
it is the name of Forest Shop Company where you buy stock timber products
it means that wood has been sourced responsibly
it means that the wood has a badge of quality
it means the wood comes from a farm
What does seasoning timber mean?
it means cutting down trees at certain times of the year
it means only using timer at the end of the growing season
it means leaving timber to rot naturally
it means drying out the timber to remove moisture
When is a go/no go gauge used?
to start a machine in operation
to start marking out on wood
to get an idea of when to start working with wood
to check something is within acceptable tolerances
What is melamine formaldehyde used for?
children's plates, cups and bowls
electrical plug sockets
It is a strong adhesive
a leather substitute
