Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of Below 723°C 910 to 1440°C 770 to 910°C 1400 to 1539°C Below 723°C 910 to 1440°C 770 to 910°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Above 1% Above 2.2% Below 1% Below 0.5% Above 1% Above 2.2% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Improve machining characteristic Soften material Relieve stresses Harden steel slightly Improve machining characteristic Soften material Relieve stresses Harden steel slightly 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
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