Engineering Materials Which of the following property is desirable for materials used in tools and machines? Malleability Plasticity Ductility Elasticity Malleability Plasticity Ductility Elasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Wrought iron Brass Cast iron Mild steel Wrought iron Brass Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Blast furnace Bessemer converter Cupola Open hearth furnace Blast furnace Bessemer converter Cupola Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Wear resistance is very good Modulus of elasticity is fairly low Fatigue strength is not high Creep strength limits its use to fairly low temperatures Wear resistance is very good Modulus of elasticity is fairly low Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP