Engineering Materials Gun metal contains 70% copper and 30% zinc 90% copper and 10% tin 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 1400°C and 1539°C Near melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Near melting point Room temperature Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of Mild steel H.S.S. Cast iron High carbon Mild steel H.S.S. Cast iron High carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Carbon-chrome steel Stainless steel Mild steel Cast iron Carbon-chrome steel Stainless steel Mild steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature 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 The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. None of these Does not effect Increases Decreases None of these Does not effect Increases Decreases ANSWER DOWNLOAD EXAMIANS APP