16. Non-bulk materials with and de hardening characteristics are typical manufactured using_forming soon a Machining b.

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16 Non Bulk Materials With And De Hardening Characteristics Are Typical Manufactured Using Forming Soon A Machining B 1 (65.92 KiB) Viewed 41 times

16. Non-bulk materials with and de hardening characteristics are typical manufactured using_forming soon a Machining b. Cold working Hot forging d. Casting eNone of these 17. heating metal above is recration temperature prior to deformation a. more strain hardening b. higher forces, power, and energy to perform the operation Rreater amounts of training d. warm working none of these 18. - materials fracture rather than yielding to plastic flow 3 Warm worked perfectly plastic thermoset polymers b. Cold worked cast iron C Hot worked metal d. Cold worked strain hardened aluminum e. None of these 19. According to Merchant theory, which of effect reduces power and forces required to performa machining a. install cutting tool to reduce rake angle b. Choose refractory material for cutting tool increase operating speed d. increase depth of cut e. none of these 20. Advantages hot working over cold working operations are a. Higher hydraulic power required b. Surface oxidation C. Substantial plastic deformation d. Shorter tool life e. All of these 21. Stresses in most metal forming operations are a. Shear b. Tensile c. Compressive d. Bending e. None of these 22. Machining a finish cut removes amounts of material with feed depth and speed a. Large, low, high b. Large, high, high C. Small, high, high Genere Form One die one of 34 An of the operationis Surface conting Proming Pocket mang dTaper turning All of these 25. Drilling operations include Center dri b. Counterink c Counterbore d. Tap e. All of the above 26. Dis-continuous chips are formed in machining a. low tool to chip friction cutting fluid b. High cutting speeds Small feed and cut depth d. Serrated patterns e. None of these 27. Barreling is most prevalent in forging a. Flashless die b. Impression die c. Open die d. All of these e. None of these 28. Advantages of extrusion over forgings include a little or no material waste b. Closer tolerances on finished parts c. No surface oxidation d. Higher production rates e. All of the above 29. Sheet metal operations can include a. Punching blanks b. Shearing bar stock C. Drawing rods d. Stamping blanks e. All of these 30. _ mill results in _tool life because shear plan a. Up, longer, longer b. Climb, shorter, shorter C. Down, longer, shorter d. Conventional, longer, shorter e. None of these