MEGR 3161 Test 1| Brand New
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Materials Science and Engineering is about:
a). How to make a specific component.
b). The relationship between microstructure and the properties of materials, and
based on
this relationship how to process and material for desired properties and
performance.
c). How to process a material for desired properties. - Answer✅✅B. The relationship
between microstructure and the properties of materials, and based on
this relationship how to process and material for desired properties and
performance
The key components of Materials Science and Engineering include? -
Answer✅✅Processing>Structure>Properties>Performance
The primary types of materials of technological importance are the following: a).
Metals, semiconductors and polymers.
b). Metals, ceramics, and polymers.
c). Biomaterials, semiconductors and composites. - Answer✅✅b. Metals, ceramics
and polymers
, The electrons that occupy the outermost filled shell are called: -
Answer✅✅Valence Electrons
What type(s) of electron subshell(s) does a K shell contain? - Answer✅✅S
What is the maximum number of electrons that an L shell may contain? -
Answer✅✅8
The net potential energy between a pair of bonded atoms: - Answer✅✅Reaches its
minimum value when the two atoms are at equilibrium
The three primary bonds in materials are:
a). Ionic, covalent and metallic.
b). Ionic, covalent and Van der Waals.
c). Van der Waals, covalent and metallic. - Answer✅✅A. Ionic, covalent and metallic
Covalent bonds are:
A.Directional
B.Non-directional - Answer✅✅A. Directional
For metals, the larger the bonding energy:
a.) The lower the melting point
b.) The higher the melting point - Answer✅✅B. The higher the melting point
Ionic bonding in solids is caused by: - Answer✅✅Interaction between oppositely
charged nearest neighbor ions
Which of the following materials may form crystalline solids?:
a.) Polymers
b.) Metals
c.) Ceramics
d.) All of the above - Answer✅✅D.All of the above.
The crystal system classification that groups all crystals into 7 systems is based on -
Answer✅✅The lattice parameters(a,b,c & alpha, beta and gamma values) of the
unit cell
The properties of a single crystal are usually.
a.) anisotropic
b.) isotropic - Answer✅✅a.) anisotropic
If we do electron diffraction on a crystalline material, we have
a.) sharp and well-defined spot pattern
b.) haloes - Answer✅✅a.)sharp and well-defined spot pattern
The most common lattice structures for metals are - Answer✅✅FCC,BCC,HCP
Expert Exam Questions with 100%
Correct Clear Verified Answers| All
Graded A+|Latest Premium
Update|100% Guaranteed Success.
Materials Science and Engineering is about:
a). How to make a specific component.
b). The relationship between microstructure and the properties of materials, and
based on
this relationship how to process and material for desired properties and
performance.
c). How to process a material for desired properties. - Answer✅✅B. The relationship
between microstructure and the properties of materials, and based on
this relationship how to process and material for desired properties and
performance
The key components of Materials Science and Engineering include? -
Answer✅✅Processing>Structure>Properties>Performance
The primary types of materials of technological importance are the following: a).
Metals, semiconductors and polymers.
b). Metals, ceramics, and polymers.
c). Biomaterials, semiconductors and composites. - Answer✅✅b. Metals, ceramics
and polymers
, The electrons that occupy the outermost filled shell are called: -
Answer✅✅Valence Electrons
What type(s) of electron subshell(s) does a K shell contain? - Answer✅✅S
What is the maximum number of electrons that an L shell may contain? -
Answer✅✅8
The net potential energy between a pair of bonded atoms: - Answer✅✅Reaches its
minimum value when the two atoms are at equilibrium
The three primary bonds in materials are:
a). Ionic, covalent and metallic.
b). Ionic, covalent and Van der Waals.
c). Van der Waals, covalent and metallic. - Answer✅✅A. Ionic, covalent and metallic
Covalent bonds are:
A.Directional
B.Non-directional - Answer✅✅A. Directional
For metals, the larger the bonding energy:
a.) The lower the melting point
b.) The higher the melting point - Answer✅✅B. The higher the melting point
Ionic bonding in solids is caused by: - Answer✅✅Interaction between oppositely
charged nearest neighbor ions
Which of the following materials may form crystalline solids?:
a.) Polymers
b.) Metals
c.) Ceramics
d.) All of the above - Answer✅✅D.All of the above.
The crystal system classification that groups all crystals into 7 systems is based on -
Answer✅✅The lattice parameters(a,b,c & alpha, beta and gamma values) of the
unit cell
The properties of a single crystal are usually.
a.) anisotropic
b.) isotropic - Answer✅✅a.) anisotropic
If we do electron diffraction on a crystalline material, we have
a.) sharp and well-defined spot pattern
b.) haloes - Answer✅✅a.)sharp and well-defined spot pattern
The most common lattice structures for metals are - Answer✅✅FCC,BCC,HCP
