Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 2.5 to 4.5% 5 to 7% 0.5 to 1% 0.012 2.5 to 4.5% 5 to 7% 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 60% copper and 40% beryllium 97.75% copper and 2.25% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium 60% copper and 40% beryllium 97.75% copper and 2.25% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Al2O3 SiO2 MgO Steel Al2O3 SiO2 MgO Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Specify the sequence correctly Stress relief, recrystallization, grain growth Grain growth, stress relief, recrystallization Stress relief, grain growth, recrystallization Grain growth, recrystallization, stress relief Stress relief, recrystallization, grain growth Grain growth, stress relief, recrystallization Stress relief, grain growth, recrystallization Grain growth, recrystallization, stress relief ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Creep Fatigue Hot tempering Hot hardness Creep Fatigue Hot tempering ANSWER DOWNLOAD EXAMIANS APP