Engineering Materials The percentage of carbon in grey iron castings usually varies between 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 2.5% phosphorous 0.5% of phosphorous 1% phosphorous None of these 2.5% phosphorous 0.5% of phosphorous 1% phosphorous None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Endurance Plastic deformation Fatigue Creep Endurance Plastic deformation Fatigue Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 35 710 57 1015 35 710 57 1015 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? High speed steel Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP