Materials and Construction Constantan is an alloy of Cu (55%) & Ni (45%) Cu (55%) & Sn (45%) Pt (95%) & Rh (10%) Fe (80%) & Ni (20%) Cu (55%) & Ni (45%) Cu (55%) & Sn (45%) Pt (95%) & Rh (10%) Fe (80%) & Ni (20%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron vessels are not suitable for the storage of Freon H₂SO₄ (fuming) Wet SO₂ H₂SO₄ (95%) at room temperature Freon H₂SO₄ (fuming) Wet SO₂ H₂SO₄ (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel rods are used in reinforced concrete to increase its __________ strength. Compressive None of these Shear Tensile Compressive None of these Shear Tensile ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of manganese in alloy steel improves its Corrosion resistance Abrasion resistance & toughness Elasticity & creep resistance Cutting ability Corrosion resistance Abrasion resistance & toughness Elasticity & creep resistance Cutting ability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in the carbon percentage in the steel, its Tensile strength increases All of these Hardness increases Ductility reduces Tensile strength increases All of these Hardness increases Ductility reduces ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The maximum percentage of chromium that can be added to steel is about 12 24 18 30 12 24 18 30 ANSWER DOWNLOAD EXAMIANS APP