MSE:250 Exam Questions With Verified

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MSE:250 Exam Questions With Verified
Answers


1. Atomic-bonding related properties include __, __, and __.
a. melting point; elastic modulus; coefficient of thermal expansion
b. melting point; plastic modulus; coefficient of electrical expansion
c. freezing point; elastic modulus; coefficient of electrical expansion
d. melting point; plastic modulus; coefficient of thermal expansion

e. freezing point; plastic modulus; coefficient of thermal expansion - Answers✔a. melting point;
elastic modulus; coefficient of thermal expansion
2. The bond-strength of metals, ceramics and polymers is related to the __, __, and __.a. freezing
point; plastic modulus; coefficient of thermal expansion
b. melting point; plastic modulus; coefficient of electrical expansion
c. freezing point; elastic modulus; coefficient of electrical expansion
d. melting point; plastic modulus; coefficient of thermal expansion

e. melting point; elastic modulus; coefficient of thermal expansion - Answers✔e. melting point;
elastic modulus; coefficient of thermal expansion
3. The melting point of a material correlates with its atomic-bonding __ and __.
a. force well; potential curve
b. potential well; force curve
c. kinetic well; force curve
d. force well; kinetic curve

e. thermal well; thermal curve - Answers✔b. potential well; force curve
4. The Young's Modulus of a material correlates with its atomic-bonding __ and __.


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a. force well; potential curve
b. kinetic well; force curve
c. force well; kinetic curve
d. potential well; force curve

e. thermal well; thermal curve - Answers✔d. potential well; force curve
5. The coefficient of thermal expansion of a material correlates with its atomic-bonding __ and
__.
a. force well; potential curve
b. kinetic well; force curve
c. force well; kinetic curve
d. thermal well; thermal curve

e. potential well; force curve - Answers✔e. potential well; force curve
6. Different bond-types found in metals, ceramics and polymers affect the processing __ and __
that can be used for the material.
a. temperatures; methods
b. pressures; volumes
c. temperatures; volumes
d. densities; masses

e. methods; densities - Answers✔a. temperatures; methods
7. Different bond-strengths found in metals, ceramics and polymers affect the processing __ and
__ that can be used for the material.
a. pressures; volumes
b. temperatures; volumes
c. temperatures; methods
d. densities; masses

e. methods; densities - Answers✔c. temperatures; methods
8. The process of selecting a material for a given application depends in part on the type of __ in
the material.


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a. electrons
b. bonding
c. protons
d. neutrons

e. all of the above - Answers✔b. bonding
9. The process of selecting a material for a given application depends in part on the __ and
applicable __ of the material.
a. properties; types
b. types; properties
c. properties; processing
d. processing; types

e. processing; electronics - Answers✔c. properties; processing
10. Hooke's law relates the __ of a material to the __ that is applied on the material.
a. force; extension
b. extension; force
c. extension; compression
d. compression; extension

e. density; mass - Answers✔b. extension; force
11. Hooke's law states that F = __, where k is the spring constant and x is the deflection of the
material.
a. k+x
b. k-x
c. k*x
d. k/x

e. k^x - Answers✔c. k*x
12. The units of the spring constant (in Hooke's law) are __.
a. N.cm
b. N+cm
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c. N-cm
d. N/cm

e. N^cm - Answers✔d. N/cm
13. The spring constant of a material is given by k = __, where F is the force applied to the
material, and x is the deflection or extension of the material.
a. F*x
b. F+x
c. F/x
d. F-x

e. F^x - Answers✔c. F/x
14. Stress is the force per unit __.
a. area
b. length
c. volume
d. mass

e. density - Answers✔a. area
15. Stress can also be called normalized __.
a. strength
b. mass
c. force
d. volume

e. elongation - Answers✔c. force
16. Strain can also be called normalized __.
a. force
b. strength
c. stiffness
d. elongation


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