Technology, Chapter 4 Question Preview (ID: 44703)
Materials Test.
TEACHERS: click here for quick copy question ID numbers.
_______________ properties control how a material reacts to heat or cold.
a) Thermal
b) Physical
c) Optical
d) Chemical
Which of the following is not a mechanical property of materials?
a) texture
b) strength
c) plasticity
d) hardness
The strength of a material is its ability to ___________________.
a) resist corrosion
b) transmit sound energy
c) conduct electricity
d) withstand a mechanical force
Which of the following is a primary material?
a) glass
b) iron ore
c) plastic
d) cement
Which of the following is an example of a softwood?
a) glass
b) maple
c) oak
d) pine
Carbon dioxide is absorbed through the leaves of a tree and converted into nutrients in a process known as ________________.
a) alloying
b) photosynthesis
c) corrosion
d) expansion
Which of the following is not an example of a manufactured board?
a) hardboard
b) particle board
c) plywood
d) hardwood
A ferrous metal or alloy contains _________________.
a) copper
b) iron
c) tin
d) zinc
Thermoset plastics __________________.
a) can be heated only once
b) have good heat resistance
c) Both A and B
d) Neither A nor B
Which of the following is not true of plastics?
a) Plastics are good insulators.
b) Plastics resist corrosion.
c) Plastics can be molded easily.
d) Plastics have high mass (weight)
Materials that can be designed to respond to environmental stimuli are called ________________.
a) nanomaterials
b) smart materials
c) biomaterials
d) composites
__________________ are used to replace natural body parts because the body does not reject them.
a) nanomaterials
b) smart materials
c) biomaterials
d) bioplastics
A materials reaction to light.
a) thermal properties
b) optical properties
c) chemical properties
d) physical properties
Control how a material reacts to sound waves.
a) electrical properties
b) physical properties
c) acoustical properties
d) mechanical properties
affect how a metal reacts to its surroundings
a) composite surroundings
b) thermal properties
c) chemical properties
d) physical properties
control how a material reacts to heat or cold
a) mechanical properties
b) thermal properties
c) physical properties
d) composite properties
Determine whether a material is a conductor or an insulator.
a) physical properties
b) mechanical properties
c) thermal properties
d) electrical properties
Determine whether or not a material will be attracted to a magnet.
a) electrical properties
b) magnetic properties
c) physical properties
d) mechanical properties
the characteristics of a material that allow it to withstand applied forces
a) physical properties
b) mechanical properties
c) chemical properties
d) thermal properties
given a material its size, density, porosity, and surface texture
a) mechanical properties
b) chemical properties
c) physical properties
d) composite properties
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