Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Free carbon Flakes Spheroids Cementite Free carbon Flakes Spheroids ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can be drawn into wires Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can be drawn into wires Can cut another metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 0.5% of phosphorous None of these 1% phosphorous 2.5% phosphorous 0.5% of phosphorous None of these 1% phosphorous 2.5% phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 ANSWER DOWNLOAD EXAMIANS APP
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