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33 True/False questions

  1. elasticityterm for the maximum amount of relative deformation that may be permanently imposed upon a material

          

  2. Young's moduluslaw that states that the force of a wire pulling upward is proportional to its displacement downward, and that the restorative force acts in the opposite direction of the displacement

          

  3. brittleTrue or False: There is no elastic limit or ultimate strength for volume stress.

          

  4. rigidityterm for the tendency to resist flexing or deforming

          

  5. resilienceprocess that involves pressing down a metal by a series of paired, heavy rollers into a continuous sheet

          

  6. plasticityterm for the maximum amount of relative deformation that may be permanently imposed upon a material

          

  7. shearterm for the combination of two oppositely directed forces along parallel lines of action

          

  8. cohesionterm for the attractive force between particles of the same kind

          

  9. mechanical workingterm for the processes used to impose desired shapes upon ingots

          

  10. diesterm for two half-molds that enclose a desired shape when they are brought together

          

  11. ultimate tensile strengthterm for the maximum stress a material can sustain without brreaking

          

  12. elastic limitthe ability of solids to recover their original shape after being deformed by an external force

          

  13. Trueterm for the deformative tensile force per unit cross-sectional area

          

  14. tensile stress and tensiontwo terms for the effect due to pulling a rod along its length

          

  15. malleabilitythe property of a metal that allows it to be rolled or hammered into a sheet

          

  16. stressterm for the relative amount of deformation-- or the ratio of change compared to the original length

          

  17. equilibriumterm for the tendency to resist flexing or deforming

          

  18. stress = F/Aformula for stress

          

  19. strainterm for the relative amount of deformation-- or the ratio of change compared to the original length

          

  20. ductilityterm for the tendency to resist flexing or deforming

          

  21. rollingprocess that involves pressing down a metal by a series of paired, heavy rollers into a continuous sheet

          

  22. Trueterm for two half-molds that enclose a desired shape when they are brought together

          

  23. ingotterm for a large, solid bar of newly refined metal

          

  24. negativeObjects that break suddenly under a load instead of deforming first are described as ____ objects.

          

  25. Hooke's Law"Y" represents ____ _____.

          

  26. volumeTrue or False: There is no elastic limit or ultimate strength for volume stress.

          

  27. restorative forceterm for the stretching or compressing force of the load

          

  28. forgingprocess that involves pressing down a metal by a series of paired, heavy rollers into a continuous sheet

          

  29. elastic limitthe ability of solids to recover their original shape after being deformed by an external force

          

  30. drawingprocess in which metal is pulled through a single die into a continuous ribbon with the same cross-sectional shape as the interior surface of the die

          

  31. tensile forceterm for the stretching or compressing force of the load

          

  32. breaking pointprocess in which metal is pulled through a single die into a continuous ribbon with the same cross-sectional shape as the interior surface of the die

          

  33. proportional limitterm for the point at which a wire's restorative force is no longer a linear function of elongation and Hook's law breaks down