a. The Poisson ratio for a volume conserving (incompressible)material is __________________. However, most real materials havePoisson ratio values that are larger / smaller (circle one).
b. How many atoms are contained in the unit cells of thefollowing crystalline structures?
Simple cubic ____________ Body-centered cubic ____________Face-centered cubic ____________
c. True / False (circle one) The average number of protons in anatom of Iron (Fe) is 55.845. The yield strength of a materialincreases / decreases (circle one) with increasing grain size.
d. Two materials whose alloy displays a binary eutectic behaviorare more / less (circle one) soluble than two materials whose alloydisplays a binary isomorphous behavior.
e. After raising the temperature of a steel rod to 850°C forseveral hours, the sample is quenched in oil. The surface of thesample is expected to be harder / softer (circle one) than theinterior.
f. In the event that a particular material displays nonlinearelasticity, the Young's modulus cannot be used to characterize thiselastic behavior. Instead, the _______________________ or the____________________________ are typically used.
g. The value of KIc is typically larger / smaller (circle one)for a brittle material than it is for a ductile material.
h. Described the difference between a thermoset and athermoplastic polymer._________________________________________________________________________________________________________________________________________________________________________________________________________________________________
i. Site three molecular characteristics of a polymer that willinfluence the material properties:__________________________________________________________________________________________________________________________________________________________________________________________________________________________