Engineering Materials The machinability of steel is improved by adding Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Magnin Nichrome Elinvar Invar Magnin Nichrome Elinvar Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Soften material Improve machining characteristic Relieve stresses Harden steel slightly Soften material Improve machining characteristic Relieve stresses Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has High tensile strength Carbon in the form of free graphite All of these Low compressive strength High tensile strength Carbon in the form of free graphite All of these Low compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Carbon-chrome steel Stainless steel Cast iron Mild steel Carbon-chrome steel Stainless steel Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
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