1 IN MSE 250) 2025/2026 UPDATE | QUESTIONS AND
ANSWERS | WITH COMPLETE SOLUTION!!
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