Materials and Construction Zinc is highly __________ at room temperature. Malleable Ductile Resistant to atmospheric corrosion Brittle Malleable Ductile Resistant to atmospheric corrosion Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in the carbon percentage in the steel, its Ductility reduces Tensile strength increases All of these Hardness increases Ductility reduces Tensile strength increases All of these Hardness increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by Sea water Hydrochloric acid None of these Sulphuric acid (10%) Sea water Hydrochloric acid None of these Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Do not have good resilience properties Is tempered at 850°C Are used for leaf and coiled springs Do not require heat treatment for any of its applications Do not have good resilience properties Is tempered at 850°C Are used for leaf and coiled springs Do not require heat treatment for any of its applications ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Phosphoric acid Sulphuric acid (10%) None of these Caustic soda solution Phosphoric acid Sulphuric acid (10%) None of these Caustic soda solution 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 Mild steel and stainless steel Cast iron and high silicon iron Teflon, glass and porcelain Aluminium, tin and rubber Mild steel and stainless steel Cast iron and high silicon iron Teflon, glass and porcelain ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS