Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Yield point Critical temperature Hardness Melting point Yield point Critical temperature Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Whiteheart cast iron Both (A) and (B) Blackheart cast iron None of these Whiteheart cast iron Both (A) and (B) Blackheart cast iron None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C 770°C 910°C Below recrystallization temperature 1050°C 770°C 910°C Below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% MgO SiO2 Steel Al2O3 MgO SiO2 Steel Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Sulphur Silicon Carbon Manganese Sulphur Silicon Carbon Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It hard It easily machinable It brittle The casting unsound It hard It easily machinable It brittle The casting unsound ANSWER DOWNLOAD EXAMIANS APP