Engineering Materials Chromium when added to steel _________ the tensile strength. None of these Increases Does not effect Decreases None of these Increases Does not effect Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has High ductility High resistance to rusting and corrosion Ability of hold protective coating Uniform strength in all directions High ductility High resistance to rusting and corrosion Ability of hold protective coating Uniform strength in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by X-ray techniques Metallurgical microscope Optical microscope Naked eye X-ray techniques Metallurgical microscope Optical microscope Naked eye ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Below 10°K Around 0°C Around 100°C Above 100°K Below 10°K Around 0°C Around 100°C Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Plasticity Elasticity Ductility Malleability Plasticity Elasticity Ductility Malleability ANSWER DOWNLOAD EXAMIANS APP
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