Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Release stresses Improve toughness Improve ductility Improve machinability Release stresses Improve toughness Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 710 1015 57 35 710 1015 57 35 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Relieve stresses Improve machining characteristic Harden steel slightly Soften material Relieve stresses Improve machining characteristic Harden steel slightly Soften material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these Deformation under stress Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these Deformation under stress ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.20 to 0.45% 0.45 to 0.55% 0.55 to 1.0% 0.05 to 0.20% 0.20 to 0.45% 0.45 to 0.55% 0.55 to 1.0% 0.05 to 0.20% ANSWER DOWNLOAD EXAMIANS APP