dt exam paper common questions Flashcards
What is usability?
how easy a product is to use
what are stakeholders?
A person or group of people who have an interest in the product. Could be because they are a consumer or a supplier
What is a composite material?
Materials that are a mix of 2 different types of materials to get the best qualities from each
How do you convert from mm2 to cm2?
divide by 100
how do you convert from m2 to cm2?
multiply by 10,000
What is a plan view?
A top view of the table
What is a ferrous metal?
Any metals that contain iron and will rust
What are some examples of ferrous metals?
steel, cast iron,
What are non-ferrous metals?
metals that do not contain iron and do not rust
What are examples of non ferrous metals?
aluminium, copper, zinc, lead, tin
What is potential energy?
energy that is stored in an object due to its position or condition
What is an alloy?
Metals made from a mix of 2 metals
What is an example of an alloy?
brass: is made from copper and zinc
What is a biopolymer
A biopolymer is a polymer created from a renewable /
natural resource
