Engineering Materials Chromium when added to steel _________ the tensile strength. Increases Does not effect None of these Decreases Increases Does not effect None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Above 2.2% Below 0.5% Above 1% Below 1% Above 2.2% Below 0.5% Above 1% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron All of these Is a ductile material Cannot stand sudden and excessive shocks Can be easily forged or welded All of these Is a ductile material Cannot stand sudden and excessive shocks Can be easily forged or welded ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 0.83% Adding carbon up to 6.3% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 0.83% Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
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