Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases Increases Does not effect None of these Decreases Increases Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron All of these Can be easily forged or welded Cannot stand sudden and excessive shocks Is a ductile material All of these Can be easily forged or welded Cannot stand sudden and excessive shocks Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.02 0.008 0.002 0.013 0.02 0.008 0.002 0.013 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Working at lower temperature Grain refinement All of these Purification of metal Working at lower temperature Grain refinement All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Below 0.8% Above 0.8% None of these 0.008 Below 0.8% Above 0.8% None of these 0.008 ANSWER DOWNLOAD EXAMIANS APP