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