MSE 250 EXAM 1 QUESTIONS AND ANSWERS
Why study the principles of materials science? They help us to __ new __ for use in __
applications. - Answer -a. develop; materials; engineering
Materials have an impact on __ and __ - Answer -b. civilization; our daily lives
The major materials families are __, __, and __. - Answer -c. metals; polymers;
ceramics
A material's __ and __ affect the __ of objects made of that material. - Answer -d.
structure; processing; properties
Knowledge of a material's __ enable us to select the right __ for an engineering __
based on its __ requirements. - Answer -e. properties; material; component; design.
Materials benefit and advance civilization by providing the basis for __ and __
applications in a given society and culture. - Answer -e. technology; technological
What technological material and tools dominated human civilization from 9000 BC to
3000 BC? __ as a material, and tools made of __. - Answer -b. stone; stone
What technological material and tools dominated human civilization from 3000 BC to
1200 BC? __ as a material, and tools made of __. - Answer -a. bronze; bronze
What technological material and tools dominated human civilization from 1200 BC to
1860 AD? __ as a material, and tools made of __. - Answer -c. iron; iron
What technological material and tools dominated human civilization from 1971 to the
present day? __ as a material, and __ made of __. - Answer -d. silicon; microchips;
silicon
What technological materials are likely to most significantly impact human civilization in
the 21st and 22nd centuries? __ and __. - Answer -e. nanomaterials; nano-biomaterials
What are the requirements for materials used for hip implants? __, __, __, and __. -
Answer -b. strength; cyclic endurance; lubricity; biocompatibility
A hip implant needs a material __ to hold the acetabular cup in place. - Answer -a.
fixing agent
A hip implant needs a __ material to __ the acetabular cup in action. - Answer -b.
lubricating; lubricate
,A hip implant needs a material __ to __ the femoral stem to the femoral bone. - Answer
-d. fixing agent; glue
The process for selections of a material (for a given application) include the material __
required in the application, the material __ and __ that will fulfill the __ requirements,
and the kind of __ that fit the different materials for that application. - Answer -e.
properties; type; structure; property; shape processing
Static lab-properties of a material include __, __, __ and __ properties. - Answer -a.
mechanical; thermal; electrical; optical
Application-related properties of a material include __, __, __ related properties -
Answer -c. cyclic loading; temperature; corrosion
The three major families of materials include __, __, and __. - Answer -d. metals;
ceramics; polymers
The structural features of a material include its __, __, and __. - Answer -e. bonding;
composition; atomic order
Ceramic materials are shaped by __ ceramic __ at __ temperatures of __ degrees C. -
Answer -a. sintering; particles; high; >600C
Polymers are shaped by __ and __ at __ temperatures of __ degrees C. - Answer -e.
melting; molding; moderate; ~200
Metals are often shaped by __ at __ temperature, about __ degrees C. - Answer -b.
deformation; room; 25
The primary bonding in metals is __ bonding. - Answer -b. 3-D metallic
The bonding in thermoplastic polymers is __ bonding. - Answer -a. 1-D covalent + van
der Waals
The primary bonding in some ceramics is __ bonding - Answer -3-D covalent
The primary bonding in other ceramics is __ bonding - Answer -3-D ionic
The mechanical properties of metal include __, __ and __. - Answer -b. stiffness;
strength; ductility
The thermal properties of metals include __ conductivity. - Answer -b. good thermal
The electrical properties of metals include __ electrical __. - Answer -d. good;
conductivity;
, The melting point of metals are __, but they deform at __ degrees C. - Answer -a.
moderately high; 25
Metals have primarily __ bonding. - Answer -b. metallic
Thermoplastic polymers have __ bonding. - Answer -c. 1-D covalent + van der Waals
The mechanical properties of polymers include __, __, __ and __. - Answer -d.
flexibility; ductility; low strength; low density.
The thermal properties of polymers include __ thermal __. - Answer -b. good; insulation
The electrical properties of polymers include __ electrical __. - Answer -e. good;
insulation
The melting points of polymers are typically __. - Answer -a. low
Ceramics have primarily __ bonding. - Answer -c. Ionic or covalent
The mechanical properties of ceramics include __, __ and __. - Answer -d. stiffness;
strength in compression; brittleness in tension
The thermal properties of ceramics include __ thermal __. - Answer -b. good; insulation
The electrical properties of ceramics include __ electrical __. - Answer -e. good;
insulation
The melting points of ceramics are typically __. - Answer -a. high
The metals used in a light bulb include the __ base and __ filament. - Answer -b. steel;
tungsten
The polymers used in a light bulb include the polymer __. - Answer -d. base seal
The ceramics used in a light bulb include the __ as the porcelain __ at the base of the
filament posts. - Answer -a. glass bulb; insulator
Wire drawing is used with __. - Answer -b. metals
Sintering is used with __. - Answer -c. ceramics
Vulcanization is used with __. - Answer -a. polymers
Tube drawing is used with __. - Answer -c. metals
Why study the principles of materials science? They help us to __ new __ for use in __
applications. - Answer -a. develop; materials; engineering
Materials have an impact on __ and __ - Answer -b. civilization; our daily lives
The major materials families are __, __, and __. - Answer -c. metals; polymers;
ceramics
A material's __ and __ affect the __ of objects made of that material. - Answer -d.
structure; processing; properties
Knowledge of a material's __ enable us to select the right __ for an engineering __
based on its __ requirements. - Answer -e. properties; material; component; design.
Materials benefit and advance civilization by providing the basis for __ and __
applications in a given society and culture. - Answer -e. technology; technological
What technological material and tools dominated human civilization from 9000 BC to
3000 BC? __ as a material, and tools made of __. - Answer -b. stone; stone
What technological material and tools dominated human civilization from 3000 BC to
1200 BC? __ as a material, and tools made of __. - Answer -a. bronze; bronze
What technological material and tools dominated human civilization from 1200 BC to
1860 AD? __ as a material, and tools made of __. - Answer -c. iron; iron
What technological material and tools dominated human civilization from 1971 to the
present day? __ as a material, and __ made of __. - Answer -d. silicon; microchips;
silicon
What technological materials are likely to most significantly impact human civilization in
the 21st and 22nd centuries? __ and __. - Answer -e. nanomaterials; nano-biomaterials
What are the requirements for materials used for hip implants? __, __, __, and __. -
Answer -b. strength; cyclic endurance; lubricity; biocompatibility
A hip implant needs a material __ to hold the acetabular cup in place. - Answer -a.
fixing agent
A hip implant needs a __ material to __ the acetabular cup in action. - Answer -b.
lubricating; lubricate
,A hip implant needs a material __ to __ the femoral stem to the femoral bone. - Answer
-d. fixing agent; glue
The process for selections of a material (for a given application) include the material __
required in the application, the material __ and __ that will fulfill the __ requirements,
and the kind of __ that fit the different materials for that application. - Answer -e.
properties; type; structure; property; shape processing
Static lab-properties of a material include __, __, __ and __ properties. - Answer -a.
mechanical; thermal; electrical; optical
Application-related properties of a material include __, __, __ related properties -
Answer -c. cyclic loading; temperature; corrosion
The three major families of materials include __, __, and __. - Answer -d. metals;
ceramics; polymers
The structural features of a material include its __, __, and __. - Answer -e. bonding;
composition; atomic order
Ceramic materials are shaped by __ ceramic __ at __ temperatures of __ degrees C. -
Answer -a. sintering; particles; high; >600C
Polymers are shaped by __ and __ at __ temperatures of __ degrees C. - Answer -e.
melting; molding; moderate; ~200
Metals are often shaped by __ at __ temperature, about __ degrees C. - Answer -b.
deformation; room; 25
The primary bonding in metals is __ bonding. - Answer -b. 3-D metallic
The bonding in thermoplastic polymers is __ bonding. - Answer -a. 1-D covalent + van
der Waals
The primary bonding in some ceramics is __ bonding - Answer -3-D covalent
The primary bonding in other ceramics is __ bonding - Answer -3-D ionic
The mechanical properties of metal include __, __ and __. - Answer -b. stiffness;
strength; ductility
The thermal properties of metals include __ conductivity. - Answer -b. good thermal
The electrical properties of metals include __ electrical __. - Answer -d. good;
conductivity;
, The melting point of metals are __, but they deform at __ degrees C. - Answer -a.
moderately high; 25
Metals have primarily __ bonding. - Answer -b. metallic
Thermoplastic polymers have __ bonding. - Answer -c. 1-D covalent + van der Waals
The mechanical properties of polymers include __, __, __ and __. - Answer -d.
flexibility; ductility; low strength; low density.
The thermal properties of polymers include __ thermal __. - Answer -b. good; insulation
The electrical properties of polymers include __ electrical __. - Answer -e. good;
insulation
The melting points of polymers are typically __. - Answer -a. low
Ceramics have primarily __ bonding. - Answer -c. Ionic or covalent
The mechanical properties of ceramics include __, __ and __. - Answer -d. stiffness;
strength in compression; brittleness in tension
The thermal properties of ceramics include __ thermal __. - Answer -b. good; insulation
The electrical properties of ceramics include __ electrical __. - Answer -e. good;
insulation
The melting points of ceramics are typically __. - Answer -a. high
The metals used in a light bulb include the __ base and __ filament. - Answer -b. steel;
tungsten
The polymers used in a light bulb include the polymer __. - Answer -d. base seal
The ceramics used in a light bulb include the __ as the porcelain __ at the base of the
filament posts. - Answer -a. glass bulb; insulator
Wire drawing is used with __. - Answer -b. metals
Sintering is used with __. - Answer -c. ceramics
Vulcanization is used with __. - Answer -a. polymers
Tube drawing is used with __. - Answer -c. metals
