Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Melting point Yield point Critical temperature Hardness Melting point Yield point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Stainless steel Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel Invar High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Malleability Ductility Plasticity Brittleness Malleability Ductility Plasticity Brittleness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Zinc Tin Vanadium Sulphur Zinc Tin Vanadium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.25 to 0.5% 0.1 to 0.2% 0.7 to 0.9% 0.6 to 0.7% 0.25 to 0.5% 0.1 to 0.2% 0.7 to 0.9% 0.6 to 0.7% ANSWER DOWNLOAD EXAMIANS APP
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