Materials and Construction The metals occuring at the lower most position in the electromotive series Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Condenser tubes are not made of Aluminium brass alloy Wood metal Muntz brass Cartridge brass Aluminium brass alloy Wood metal Muntz brass Cartridge brass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Decreases Increases Remains unchanged May increase or decrease ; unpredictable Decreases Increases Remains unchanged May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is Cast iron Stainless steel Nickel Aluminium Cast iron Stainless steel Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of cobalt in steel improves its Tensile strength Cutting ability Corrosion resistance None of these Tensile strength Cutting ability Corrosion resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Vanadium Chromium Tungsten Molybdenum Vanadium Chromium Tungsten Molybdenum ANSWER DOWNLOAD EXAMIANS APP