Engineering Materials The surface hardness of the following order is achieved by nitriding operation 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze is an alloy of Copper, tin and zinc Copper and tin Copper and zinc None of these Copper, tin and zinc Copper and tin Copper and zinc None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has Graphite as its basic constituent of composition A very high percentage of graphite No graphite A low percentage of graphite Graphite as its basic constituent of composition A very high percentage of graphite No graphite A low percentage of graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Monel metal Phosphor bronze Nichrome Babbitt metal Monel metal Phosphor bronze Nichrome Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Plasticity Malleability Brittleness Ductility Plasticity Malleability Brittleness Ductility ANSWER DOWNLOAD EXAMIANS APP