Engineering Materials Slow plastic deformation of metals under a constant stress is known as Plastic deformation Endurance Creep Fatigue Plastic deformation Endurance Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot tempering Fatigue Creep Hot hardness Hot tempering Fatigue Creep Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Between 1400°C and 1539°C Above melting point Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C Above melting point Between 910°C and 1400°C Room temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Decreases tensile strength and hardness Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.1 to 0.3% 0.8 to 1.5% 0.6 to 0.8% 0.3 to 0.6% 0.1 to 0.3% 0.8 to 1.5% 0.6 to 0.8% 0.3 to 0.6% ANSWER DOWNLOAD EXAMIANS APP
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