1
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MATSE 259 - Exam 1 Questions and
Answers (100% Correct Answers) Already
Graded A+
What are atoms made up of?— Ans: Electrons, protons, and
neutrons
Property of a material that would help in an electrical
application— Ans: Electrical conductivity
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In compression test, the strain that develops in the loading axis is
(positive/negative/neutral)— Ans: negative
How to calculate axial stress "S"— Ans: S=E*e
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What is engineering stress?— Ans: Engineering
Stress=Force/instantaneous area
What is true stress?— Ans: True stress=S(1+e)
What is engineering strain?— Ans: engineering strain=dL/L
What is True Strain?— Ans: true strain=ln(1+e)
What point on the stress strain curve does necking start to
occur?— Ans: Ultimate tensile strength (UTS)
What are Luder's Bands?— Ans: The generation of approximate
constant stress at yield point for some strain length due to pinning
and unpinning effects. Thisresults in non-uniform deformation.
If a material is subjected to two incremental true strains namely e1
and e2, then the total true strain is:— Ans: e1+e2
Which one of the following is a secondary bond?
Ionic
Permanent Dipole Bond
, 2
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Covalent Bond
Metallic Bond— Ans: Permanent Dipole Bond
A mechanical property that measures the degree of plastic
deformation— Ans: Ductility
How do metallic bonds form?— Ans: The non-valence electrons
and the nucleus form ion cores and have positive charge.
What is elastic recovery?— Ans: After a load is removed from a
specimen, the specimen begins to return to it's original position.
Which bonds are directional?— Ans: Covalent
What are the properties of Ionic Bonds?— Ans: High Bond NRG
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High Melting temperature
Hard
Brittle
Guru01 - Stuvia
Insulator
What are the properties of Covalent Bonds?— Ans: Similar
electronegativity
High melting temp/bond NRG
Brittle
Insulator
What are the properties of Metallic Bonds?— Ans: Conductor
Ductile
Hard
Varying melting temp
Strongest secondary bonds— Ans: Permanent dipole bonds
Weakest secondary bonds— Ans: Fluctuating Induced Dipole
Bonds
Are metallic crystal structures densely packed?— Ans: Yes
4 types of crystal structures— Ans: Simple Cubic (SC)
Body-Centered Cubic (BCC)
For Expert help and assignment solutions, +254707240657
MATSE 259 - Exam 1 Questions and
Answers (100% Correct Answers) Already
Graded A+
What are atoms made up of?— Ans: Electrons, protons, and
neutrons
Property of a material that would help in an electrical
application— Ans: Electrical conductivity
© 2025 Assignment Expert
In compression test, the strain that develops in the loading axis is
(positive/negative/neutral)— Ans: negative
How to calculate axial stress "S"— Ans: S=E*e
Guru01 - Stuvia
What is engineering stress?— Ans: Engineering
Stress=Force/instantaneous area
What is true stress?— Ans: True stress=S(1+e)
What is engineering strain?— Ans: engineering strain=dL/L
What is True Strain?— Ans: true strain=ln(1+e)
What point on the stress strain curve does necking start to
occur?— Ans: Ultimate tensile strength (UTS)
What are Luder's Bands?— Ans: The generation of approximate
constant stress at yield point for some strain length due to pinning
and unpinning effects. Thisresults in non-uniform deformation.
If a material is subjected to two incremental true strains namely e1
and e2, then the total true strain is:— Ans: e1+e2
Which one of the following is a secondary bond?
Ionic
Permanent Dipole Bond
, 2
For Expert help and assignment solutions, +254707240657
Covalent Bond
Metallic Bond— Ans: Permanent Dipole Bond
A mechanical property that measures the degree of plastic
deformation— Ans: Ductility
How do metallic bonds form?— Ans: The non-valence electrons
and the nucleus form ion cores and have positive charge.
What is elastic recovery?— Ans: After a load is removed from a
specimen, the specimen begins to return to it's original position.
Which bonds are directional?— Ans: Covalent
What are the properties of Ionic Bonds?— Ans: High Bond NRG
© 2025 Assignment Expert
High Melting temperature
Hard
Brittle
Guru01 - Stuvia
Insulator
What are the properties of Covalent Bonds?— Ans: Similar
electronegativity
High melting temp/bond NRG
Brittle
Insulator
What are the properties of Metallic Bonds?— Ans: Conductor
Ductile
Hard
Varying melting temp
Strongest secondary bonds— Ans: Permanent dipole bonds
Weakest secondary bonds— Ans: Fluctuating Induced Dipole
Bonds
Are metallic crystal structures densely packed?— Ans: Yes
4 types of crystal structures— Ans: Simple Cubic (SC)
Body-Centered Cubic (BCC)
