Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar Stainless steel High speed steel Heat resisting steel Invar Stainless steel High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Manganese Magnesium Nickel Silicon Manganese Magnesium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of H.S.S. Cast iron Mild steel High carbon H.S.S. Cast iron Mild steel High carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, chromium, titanium Tungsten, titanium, vanadium Chromium, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Tungsten, titanium, vanadium Chromium, titanium, vanadium Vanadium, chromium, tungsten ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility ANSWER DOWNLOAD EXAMIANS APP
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