Engineering Materials An engineer's hammer is made of Cast iron High carbon steel Mild steel Forged steel Cast iron High carbon steel Mild steel Forged steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Low compressive strength Carbon in the form of free graphite High tensile strength All of these Low compressive strength Carbon in the form of free graphite High tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 78% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
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