2645457
Pregunta 1
Pregunta
The quantity that characterizes the behavior of a material in response to an external or applied force is called...
Respuesta
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strength
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material property
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mechanical property
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physicial property
Pregunta 2
Pregunta
A measure of the amount of force per unit area that a material can withstand before it fails is called...
Respuesta
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strength
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weight
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intensity
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hardness
Pregunta 3
Pregunta
The resistance to stretching, bending or twising loads is called...
Respuesta
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stiffness
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ductility
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impact strength
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compressive strength
Pregunta 4
Pregunta
The ability of a material to undergo a number of cyclical loads without fracture is called...
Respuesta
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impact strength
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compressive strength
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fatigure strength
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yield strength
Pregunta 5
Pregunta
The ability of a material to plastically deform is called...
Respuesta
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ductility
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hardness
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stiffness
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impact
Pregunta 6
Pregunta
The ability of a material to resist stretching under loads over a long period of time at elevated temperatures is called...
Respuesta
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impact strength
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creep resistance
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compressive strength
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ductility
Pregunta 7
Pregunta
The ability of a material to resist localized surface indentation or deformation is called...
Respuesta
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ductility
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stiffness
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yield
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hardness
Pregunta 8
Pregunta
The amount of matter per unit volume is called...
Respuesta
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density
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melting point
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conductivity
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connectivity
Pregunta 9
Pregunta
The measure of the rate of heat flow between two surfaces, per unit area, per unit time, per unit thickness, per degree of temperature difference is called...
Respuesta
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corrosion resistance
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specific heat
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coefficient of thermal expansion
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thermal conductivity
Pregunta 10
Pregunta
The temperature at which a solid changes to an liquid is called...
Respuesta
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melting point
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The T1000 factor
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specific heat
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coefficient of thermal expansion
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thermal condictivity
Pregunta 11
Pregunta
Select all of the following that are considered classes of ferrous metals.
Respuesta
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cast iron
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alloy steel
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bronze
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stainless steel
Pregunta 12
Pregunta
Polymeric materials that can be repeatedly softened by heating and hardened by cooling are called...
Respuesta
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thermoplastics
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acrylic
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thermoset
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polystyrene
Pregunta 13
Pregunta
Materials that are heterogeneous mixtures of polyester or epoxy resins and fiber made from materials, including glass carbon and Kevlar are called...
Respuesta
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composites
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polymers
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thermoplastics
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ceramics
Pregunta 14
Pregunta
All of the following are ceramics except...
Respuesta
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zirconia
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magnesia
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silicoln
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carbon fiber
Pregunta 15
Pregunta
Product function is interdependent on... (select all that apply)
Respuesta
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material properties
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product geometry
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manufacturing process
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customer recomendations
Pregunta 16
Pregunta
The materials first approach screens out those materials that do not meet which requirement?
Respuesta
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functional
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marketing
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manufacturing
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aesthetic
Pregunta 17
Pregunta
The manufacturing process first approach considers the following (select all that apply)...
Respuesta
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shape compatibility
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part weight
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producion volume
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part size
Pregunta 18
Pregunta
Performance indexes are derived from the following except....
Respuesta
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production volume
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functional requirements
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material properties
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product geometry
Pregunta 19
Pregunta
Ductile materials subjected to increasing loads are elastic then...
Respuesta
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freeze
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melt
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yield plastically
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fracture
Pregunta 20
Pregunta
Brittle materials subjected to increasing loads are elastic then...
Respuesta
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fracture
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melt
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freeze
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recrystalize
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