Materials and Construction Copper has very low Tensile strength Ductility Malleability Thermal & electrical conductivity Tensile strength Ductility Malleability Thermal & electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of manganese in alloy steel improves its Corrosion resistance Cutting ability Elasticity & creep resistance Abrasion resistance & toughness Corrosion resistance Cutting ability Elasticity & creep resistance Abrasion resistance & toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following finds the least commercial use? Pure iron High silicon iron High carbon steel Low carbon steel Pure iron High silicon iron High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel is a __________ material. Diamagnetic Paramagnetic None of these Ferromagnetic Diamagnetic Paramagnetic None of these Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Especially resistant to solutions containing H₂SO₄ All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Especially resistant to solutions containing H₂SO₄ All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 100% H₂SO₄ at 30°C can't be stored in a vessel made/lined with Aluminium, tin and rubber Teflon, glass and porcelain Cast iron and high silicon iron Mild steel and stainless steel Aluminium, tin and rubber Teflon, glass and porcelain Cast iron and high silicon iron Mild steel and stainless steel ANSWER DOWNLOAD EXAMIANS APP