Why study the principles of materials science? They help us to __ new __ for use in __ applications. -
CORRECT ANSWER✅✅a. develop; materials; engineering
Materials have an impact on __ and __ - CORRECT ANSWER✅✅b. civilization; our daily lives
The major materials families are __, __, and __. - CORRECT ANSWER✅✅c. metals; polymers; ceramics
A material's __ and __ affect the __ of objects made of that material. - CORRECT ANSWER✅✅d.
structure; processing; properties
Knowledge of a material's __ enable us to select the right __ for an engineering __ based on its __
requirements. - CORRECT ANSWER✅✅e. properties; material; component; design.
Materials benefit and advance civilization by providing the basis for __ and __ applications in a given
society and culture. - CORRECT 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 __. - CORRECT 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 __. - CORRECT 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 __. - CORRECT ANSWER✅✅c. iron; iron
What technological material and tools dominated human civilization from 1971 to the present day? __
as a material, and __ made of __. - CORRECT ANSWER✅✅d. silicon; microchips; silicon
What technological materials are likely to most significantly impact human civilization in the 21st and
22nd centuries? __ and __. - CORRECT ANSWER✅✅e. nanomaterials; nano-biomaterials
,What are the requirements for materials used for hip implants? __, __, __, and __. - CORRECT
ANSWER✅✅b. strength; cyclic endurance; lubricity; biocompatibility
A hip implant needs a material __ to hold the acetabular cup in place. - CORRECT ANSWER✅✅a. fixing
agent
A hip implant needs a __ material to __ the acetabular cup in action. - CORRECT ANSWER✅✅b.
lubricating; lubricate
A hip implant needs a material __ to __ the femoral stem to the femoral bone. - CORRECT
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. - CORRECT ANSWER✅✅e. properties; type; structure; property;
shape processing
Static lab-properties of a material include __, __, __ and __ properties. - CORRECT ANSWER✅✅a.
mechanical; thermal; electrical; optical
Application-related properties of a material include __, __, __ related properties - CORRECT
ANSWER✅✅c. cyclic loading; temperature; corrosion
The three major families of materials include __, __, and __. - CORRECT ANSWER✅✅d. metals;
ceramics; polymers
The structural features of a material include its __, __, and __. - CORRECT ANSWER✅✅e. bonding;
composition; atomic order
Ceramic materials are shaped by __ ceramic __ at __ temperatures of __ degrees C. - CORRECT
ANSWER✅✅a. sintering; particles; high; >600C
, Polymers are shaped by __ and __ at __ temperatures of __ degrees C. - CORRECT ANSWER✅✅e.
melting; molding; moderate; ~200
Metals are often shaped by __ at __ temperature, about __ degrees C. - CORRECT ANSWER✅✅b.
deformation; room; 25
The primary bonding in metals is __ bonding. - CORRECT ANSWER✅✅b. 3-D metallic
The bonding in thermoplastic polymers is __ bonding. - CORRECT ANSWER✅✅a. 1-D covalent + van der
Waals
The primary bonding in some ceramics is __ bonding - CORRECT ANSWER✅✅3-D covalent
The primary bonding in other ceramics is __ bonding - CORRECT ANSWER✅✅3-D ionic
The mechanical properties of metal include __, __ and __. - CORRECT ANSWER✅✅b. stiffness; strength;
ductility
The thermal properties of metals include __ conductivity. - CORRECT ANSWER✅✅b. good thermal
The electrical properties of metals include __ electrical __. - CORRECT ANSWER✅✅d. good;
conductivity;
The melting point of metals are __, but they deform at __ degrees C. - CORRECT ANSWER✅✅a.
moderately high; 25
Metals have primarily __ bonding. - CORRECT ANSWER✅✅b. metallic
Thermoplastic polymers have __ bonding. - CORRECT ANSWER✅✅c. 1-D covalent + van der Waals