Engineering Materials Practice Set-3

May 9, 2021

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1. Ductility of a material can be defined as
2. The hardness of steel primarily depends on
3. Points of arrest for iron correspond to
4. Corundum contains more than 95%
5. The main alloying elements high speed steel in order of increasing proportion are
6. The property of a material which enables it to retain the deformation permanently, is called
7. The surface hardness of the following order is achieved by nitriding operation
8. The percentage of carbon in grey iron castings usually varies between
9. In compression, a prism of brittle material will break
10. The aluminium alloy made by melting aluminium with 2 to 10% magnesium and 1.75% copper is called

 

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