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Die casting: Quiz

  
  

Question 1: These castings can still be ________ and welded.
Coining (metalworking)Rolling (metalworking)Heat treatmentMetalworking terminology

Question 2: Specific dies casting alloys include: ________, zinc aluminium, AA 380, AA 384, AA 386, AA 390, and AZ91D magnesium.
CopperMetalDie castingZamak

Question 3: The disadvantages of this system are that high-________ metals cannot be utilized and aluminium cannot be used because it picks up some of the iron while in the molten pool.
SolidMelting pointLiquidPhase transition

Question 4: Most die castings are made from non-ferrous metals, specifically zinc, copper, ________, magnesium, lead, and tin based alloys[1], although ferrous metal die castings are possible.
GoldAluminiumSilverTitanium

Question 5: It is identical to the standard process except ________ is injected into the die before each shot.
NitrogenHydrogenOxygenHelium

Question 6: Die casting equipment was invented in 1838 for the purpose of producing ________ for the printing industry.
TypefaceMovable typeTypographyLetterpress printing

Question 7: In 1885, Otto Mergenthaler invented the ________, an automated type casting device that became the prominent type of equipment in the publishing industry.
Hot metal typesettingTypesettingMovable typeLinotype machine

Question 8: This problem is minimized by including vents along the parting lines, however, even in a highly refined process there will still be some ________ in the center of the casting.
Permeability (earth sciences)Water contentHydraulic conductivityPorosity
















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