Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Silicon Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Invar Duralumin Silver metal Hastelloy Invar Duralumin Silver metal Hastelloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc Iron scrap and zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc Iron scrap and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Whiteheart cast iron Both (A) and (B) None of these Blackheart cast iron Whiteheart cast iron Both (A) and (B) None of these Blackheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which crystals grow bigger in size At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals grow bigger in size At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by adding Aluminium and zinc Chromium and nickel Nickel and molybdenum Tungsten and sulphur Aluminium and zinc Chromium and nickel Nickel and molybdenum Tungsten and sulphur ANSWER DOWNLOAD EXAMIANS APP