4688656
Descripción
Test por Mr P Darvill, actualizado hace más de 1 año
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Creado por Mr P Darvill
hace casi 9 años
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Pregunta 1
Pregunta
The source of cotton fibre is:
Respuesta
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animal
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vegetable
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synthetic polymer
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natural polymer
Pregunta 2
Pregunta
Which one of the following is not a renewable source of energy?
Respuesta
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Wind
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Solar
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Biomass
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Petroleum
Pregunta 3
Pregunta
Which one of the following is extremely brittle and can be easily cracked?
Respuesta
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Expanded polystyrene (EPS)
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Acrylic
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Polypropylene (PP)
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Polyvinyl chloride (PVC)
Pregunta 4
Pregunta
Which one of the following is classified as a composite material?
Respuesta
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Jelutong
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Balsa
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Medium Density Fibreboard (MDF)
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Pine
Pregunta 5
Pregunta
A relatively inexpensive and easy to fold board is needed to package frozen foods.
The most suitable type of board would be:
Respuesta
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solid white board
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corrugated board
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folding boxboard
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foil-lined board
Pregunta 6
Pregunta
Thermochromic liquid crystals react to changes in temperature.
What type of materials are they?
Respuesta
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Polymorph
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Composite
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Smart
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Polymers
Pregunta 7
Pregunta
Which of the following metals is attracted to a magnet?
Respuesta
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aluminium
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brass
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copper
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mild steel
Pregunta 8
Pregunta
Which one of the following is a Biofuel?
Respuesta
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LPG
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Diesel
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Coal
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Wood
Pregunta 9
Pregunta
Brass is rarely used for electronic product cases because:
Respuesta
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it rusts
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it absorbs moisture
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it conducts electricity
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it cracks easily
Pregunta 10
Pregunta
What type of board is shown below?
Respuesta
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Folding boxboard
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Carton board
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Corrugated board
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Solid white board
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