The stiffness is the ability of a material to resist deformation under stress.

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• Y-alloy contains
• Normalising of steel is done to
• Duralumin has better strength than Y-alloy at high temperature.
• Duralumin contains
• The steel scrap added in the charge of cupola controls the grade of cast iron produced.
• A steel containing 12 to 14% chromium and 0.12 to 0.35% carbon is called martensitic stainless steel.
• White cast iron has
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• Tin base white metals are used where the bearings are subjected to
• Chromium when added to steel __________ the tensile strength.

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