Engineering Materials Sulphur in steel Acts as deoxidiser Reduces the grain size Decreases tensile strength and hardness Lowers the toughness and transverse ductility Acts as deoxidiser Reduces the grain size Decreases tensile strength and hardness Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Above 1% Below 0.5% Above 2.2% Below 1% Above 1% Below 0.5% Above 2.2% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness and strength Strength and ductility Hardness Machinability Hardness and strength Strength and ductility Hardness Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Naked eye Optical microscope X-ray techniques Metallurgical microscope Naked eye Optical microscope X-ray techniques Metallurgical microscope ANSWER DOWNLOAD EXAMIANS APP
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