Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 90% copper and 10% tin 70 - 78% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 78% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is Extensively used for making cutting tools Made by adding carbon in steel An alloy of iron and carbon with varying quantities of phosphorus and sulphur Refined from cast iron Extensively used for making cutting tools Made by adding carbon in steel An alloy of iron and carbon with varying quantities of phosphorus and sulphur Refined from cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. None of these Below 0.8% 0.008 Above 0.8% None of these Below 0.8% 0.008 Above 0.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Fatigue Creep Hot tempering Hot hardness Fatigue Creep Hot tempering ANSWER DOWNLOAD EXAMIANS APP