Technology, Chapter 4-Materials Question Preview (ID: 27817)


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can be heated only once
a) thermoplastics
b) ceramics
c) thermoset plastics
d) bioplastics

materials that can be repeatedly softened by heating and hardened by cooling
a) thermoplastics
b) thermoset plastics
c) biosets
d) ceramics

fastest growing woody plant in the world and stronger than most hardwoods, versatile
a) cypress
b) palm
c) tamarack
d) bamboo

stands for medium-density fiberboard and is made from sawdust and has a smooth, even surface
a) particleboard/chipboard
b) MDF
c) plywood
d) hardboard

made from wood fibers treated with chemicals, water resistant, thin and cheap
a) particleboard/chipboard
b) MDF
c) hardboard
d) blockboard

consists of wood chips and saw mill shavings bonded together, brittle, less expensive
a) blockboard
b) mdf
c) hardboard
d) particleboard/chipboard

consists of a core of softwood strips faced with a veneer
a) hardboard
b) particleboard/chipboard
c) blockboard
d) plywood

Which is the strongest manufactured board with thin sheets of wood glued together?
a) plywood
b) blockboard
c) particleboard/chipboard
d) hardboard

Which is an example of an acid?
a) egg whites
b) ammonia
c) vinegar
d) sodium hydroxide

Which is an example of a base?
a) orange juice
b) egg whites
c) coffee
d) rain

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