Engineering Materials When medium carbon steel is heated to coarsening temperature 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 The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Is same for all steels Depends upon the rate of heating Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating Increases as the carbon content in steel increases Decreases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Silicon steel Nickel steel Chrome steel Nickel-chrome steel Silicon steel Nickel steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin and lead Tin and copper Tin, lead and silver Tin, lead and small percentage of antimony Tin and lead Tin and copper Tin, lead and silver Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to light loads, is Monel metal Silicon bronze Phosphor bronze White metal Monel metal Silicon bronze Phosphor bronze White metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP