Year 10 - Quiz 1

What are existing or modern materials with physical properties that can be varied (changed) by an external input, such as temperature, light, moisture, force or electrical current.

• Smart materials

• Composite materials

• Modern materials

What do not occur naturally, but are existing materials that have been altered to improve their properties.

• Smart materials

• Composite materials

• Modern materials

What consists of a reinforcing (strengthening) materials and a bonding agent (something that sticks it together) called the matrix.

• Smart materials

• Composite materials

• Modern materials

Shape-memory alloys...

• Can be plastically deformed, and returned to original shape with heat

• Can be plastically deformed, and returned to original shape with a current

• Contains pigments that allow small currents to flow through

• Generates a small electric charge when compressed

• Uses electrochromatic technology to change transparent to opaque

Reactive glass...

• Can be plastically deformed, and returned to original shape with heat

• Can be plastically deformed, and returned to original shape with a current

• Contains pigments that allow small currents to flow through

• Generates a small electric charge when compressed

• Uses electrochromatic technology to change transparent to opaque

Which production technique orders components as and when needed

• Lean manufacture

• Just in Time (JIT)

• Batch production

• Continuous production

Which production technique reduces waste?

• Just in Time (JIT)

• Lean manufacture

• Batch production

• Continuous production

Which production technique would be used for Olympic medals?

• Just in Time (JIT)

• Lean manufacture

• Batch production

• Continuous production

Which of these could be considered standard components

• Resistors

• Screws

• Nuts & Bolts

• LED's

Oblique drawing is...

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