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Stellite: Quiz


Question 1: Stellite alloys also tend to have extremely high ________ due to the cobalt and chromium content.
LiquidPhase transitionSolidMelting point

Question 2: Talonite is an alloy similar to Stellite which has been hot-rolled and hardened in a particular manner, to provide a combination of hardness, wear resistance and ________.
MetalworkingMachiningMachine toolDrill

Question 3: Stellite alloys are so hard that they are very difficult to ________, and anything made from them is, as a result, very expensive.
MetalworkingMachine toolMachiningDrill

Question 4: Other alloys are formulated to maximize combinations of ________, corrosion resistance, or ability to withstand extreme temperatures.
Creep (deformation)WearYield (engineering)Fatigue (material)

Question 5: In the early 1980s, experiments were done in the ________ to make artificial hip joints and other bone replacements out of precision-cast Stellite alloys.
CanadaUnited KingdomEnglandWales

Question 6: Stellite was a major improvement in the production of poppet valves and valve seats in ________; by reducing wear in them, the competing slide-valve design was driven from the market.
Internal combustion engineStroke ratioSpark-ignition engineAutomobile

Question 7: Stellite alloy is a range of cobalt-________ alloys designed for wear resistance.

Question 8: It is a trademarked name of the Deloro Stellite Company and was invented by ________[1] in the early 1900s as a substitute for flatware that stained (or that had to be constantly cleaned).
Elwood Haynes MuseumHaynes-AppersonIndianaElwood Haynes

Question 9: Typical applications include saw teeth, hardfacing, and ________-resistant machine parts.
AcidOxygenAcid–base reactionAcid dissociation constant

Question 10: It may also contain tungsten or molybdenum and a small but important amount of ________.


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