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Unformatted text preview: c. both curves (a ) 7. A comparison between the ferrous and nonferrous materials for design is made possible by use of a. UTS b. 0.2% offset yield strength c. fracture strength (b ) 8. The area under the stress-strain curve is a. energy absorbed per unit area of the sample b. energy absorbed in the sample to failure c. energy absorbed per unit volume of the sample to failure (c ) 9. Hardness is a measure of the a. work hardening behavior of the material b. ductility of the material c. toughness of the material (a ) 10. Hardness is the value of load divided by a. area of contact of the indenter with sample b. projected area of contact of the indenter c. depth of penetration of indenter (b ) 11. A preload is applied in all the hardness tests to a. remove the statistical variation of observed hardness b. make more meaning to hardness measurements to wear resistance c. remove the effects of surface contamination (c )...
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- Spring '08