Materials and Construction Graphite is corroded by Sulphuric acid (10%) Sea water None of these Hydrochloric acid Sulphuric acid (10%) Sea water None of these Hydrochloric acid 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
Materials and Construction Which of the following commercial metals is most abundantly found in India? Nickel Aluminium Zinc Copper Nickel Aluminium Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar contains the highest percentage of Cobalt Tungsten Iron Vanadium Cobalt Tungsten Iron Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy None of these Dielectric Semi-conductor Metal/alloy None of these Dielectric ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and Moving mercury and carbon Moving mercury and crimped steel wire Graphite and moving mercury Moving mercury and graphite Moving mercury and carbon Moving mercury and crimped steel wire Graphite and moving mercury Moving mercury and graphite ANSWER DOWNLOAD EXAMIANS APP