Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Perpendicular to lines of slag distribution None of these Along the lines of slag distribution Uniform in all directions Perpendicular to lines of slag distribution None of these Along the lines of slag distribution Uniform in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Cycle chains Flywheel of steam engine Cast iron pipes Gas turbine blades Cycle chains Flywheel of steam engine Cast iron pipes Gas turbine blades ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Weld decay is the phenomenon found with Mild steel Cast iron Stainless steel Nonferrous materials Mild steel Cast iron Stainless steel Nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
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