Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of H.S.S. High carbon Cast iron Mild steel H.S.S. High carbon Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Change grain size Any one of these Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Change grain size Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Wear resistance Hot hardness Toughness Sharp cutting edge Wear resistance Hot hardness Toughness Sharp cutting edge ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels ANSWER DOWNLOAD EXAMIANS APP