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Technology, Chapter 4
Test Description: Materials Test
Instructions: Answer all questions to get your test result.
1) _______________ properties control how a material reacts to heat or cold.
A
Chemical
B
Physical
C
Optical
D
Thermal
2) Which of the following is not a mechanical property of materials?
A
plasticity
B
strength
C
texture
D
hardness
3) The strength of a material is its ability to ___________________.
A
transmit sound energy
B
withstand a mechanical force
C
conduct electricity
D
resist corrosion
4) Which of the following is a primary material?
A
plastic
B
glass
C
iron ore
D
cement
5) Which of the following is an example of a softwood?
A
maple
B
pine
C
oak
D
glass
6) Carbon dioxide is absorbed through the leaves of a tree and converted into nutrients in a process known as ________________.
A
corrosion
B
expansion
C
alloying
D
photosynthesis
7) Which of the following is not an example of a manufactured board?
A
plywood
B
hardboard
C
hardwood
D
particle board
8) A ferrous metal or alloy contains _________________.
A
zinc
B
copper
C
tin
D
iron
9) Thermoset plastics __________________.
A
can be heated only once
B
have good heat resistance
C
Neither A nor B
D
Both A and B
10) Which of the following is not true of plastics?
A
Plastics resist corrosion.
B
Plastics can be molded easily.
C
Plastics have high mass (weight)
D
Plastics are good insulators.
11) Materials that can be designed to respond to environmental stimuli are called ________________.
A
smart materials
B
biomaterials
C
composites
D
nanomaterials
12) __________________ are used to replace natural body parts because the body does not reject them.
A
nanomaterials
B
biomaterials
C
bioplastics
D
smart materials
13) A materials reaction to light.
A
optical properties
B
physical properties
C
chemical properties
D
thermal properties
14) Control how a material reacts to sound waves.
A
mechanical properties
B
acoustical properties
C
physical properties
D
electrical properties
15) affect how a metal reacts to its surroundings
A
physical properties
B
composite surroundings
C
chemical properties
D
thermal properties
16) control how a material reacts to heat or cold
A
composite properties
B
physical properties
C
mechanical properties
D
thermal properties
17) Determine whether a material is a conductor or an insulator.
A
mechanical properties
B
thermal properties
C
physical properties
D
electrical properties
18) Determine whether or not a material will be attracted to a magnet.
A
magnetic properties
B
electrical properties
C
mechanical properties
D
physical properties
19) the characteristics of a material that allow it to withstand applied forces
A
thermal properties
B
mechanical properties
C
chemical properties
D
physical properties
20) given a material its size, density, porosity, and surface texture
A
composite properties
B
physical properties
C
mechanical properties
D
chemical properties
*select an answer for all questions
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