Materials and Construction Locomotive boiler tubes are made of __________ alloys. Arsenic copper Nickel Magnesium Aluminium Arsenic copper Nickel Magnesium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Upper critical Eutectic Lower critical Recrystallisation Upper critical Eutectic Lower critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constituents of stellite are Nickel, cobalt and vanadium Zinc, aluminium and nickel Cobalt, chromium and tungsten Zinc, copper and nickel Nickel, cobalt and vanadium Zinc, aluminium and nickel Cobalt, chromium and tungsten Zinc, copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Wood Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) Wood Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of High alumina bricks Calcium carbide Fireclay bricks Silicon carbide High alumina bricks Calcium carbide Fireclay bricks Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? High-carbon steel Low carbon steel Mild steel Wrought iron High-carbon steel Low carbon steel Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP