Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Nickel Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. None of these Lowers Does not effect Raises None of these Lowers Does not effect Raises ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cemented carbide tools are not found to be suitable for cutting Aluminium Brass Steel Cast iron Aluminium Brass Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 35 710 1015 57 35 710 1015 57 ANSWER DOWNLOAD EXAMIANS APP