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15
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Why are protective coatings often added to ferrous metals?
to protect them from water which could cause rust in ferrous metals
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trap
No points!
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star
Double points!
Okay!
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shark
Other team loses 5 points!
Okay!
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banana
Go to last place!
Oops!
15
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True or false? Board has a higher GSM value than paper
True - GSM represents the weight of paper (grams per square meter)
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15
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What is the purpose of quality control?
To check for imperfections or fault in a product
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15
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Which of these is not a natural fibre? Cotton, elastane, wool, silk
Elastane
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15
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Describe what is meant by 'elasticity'
Elasticity is a materials ability to return to it's original shape after being stretched or bent
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15
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What does CAM stand for?
Computer Aided Manufacturing
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10
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True or false? Alkaline batteries can usually be recharged
False
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15
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True or false? Toughness is a materials ability to be drawn into wire
False - toughness is how hard a material is to break or snap
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15
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Why is it important to measure materials before cutting them?
To reduce wastage and to make your components accurate and presice
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15
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Name 3 non-renewable energy sources
Coal, oil, gas, nuclear power
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heart
Other team wins 5 points!
Oops!
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fairy
Take points!
5
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25
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shark
Other team loses 10 points!
Okay!
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baam
Lose 25 points!
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thief
Give points!
5
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25
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shark
Other team loses 15 points!
Okay!
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 25 points!
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15
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True or False? Medium Density fibreboard (MDF) is made from several layers of hardwood or softwood glued together
False. This description is for a material called plywood.
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15
×
Give one use of a liquid crystal display (LCD)
LCD's are used in flat screen displays such as TV's and monitor screens
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seesaw
Swap points!
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rocket
Go to first place!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 15 points!
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