Engineering Materials Bell metal contains 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical 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 There are fourteen atoms in a unit cell of None of these Face centered cubic space lattice Close packed hexagonal space lattice Body centered cubic space lattice None of these Face centered cubic space lattice Close packed hexagonal space lattice Body centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Manganese Phosphorus Silicon Sulphur Manganese Phosphorus Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic constituents of Monel metal are Zinc, tin, lead Nickel, molybdenum Nickel, lead and tin Nickel, copper Zinc, tin, lead Nickel, molybdenum Nickel, lead and tin Nickel, copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Surface hardening process None of these Core hardening process Carburising process Surface hardening process None of these Core hardening process Carburising process ANSWER DOWNLOAD EXAMIANS APP
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