Materials and Construction Pure nickel is Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Metal/alloy Dielectric Semi-conductor None of these Metal/alloy Dielectric Semi-conductor None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy of iron containing 4% carbon is called Mild steel High carbon steel None of these Wrought iron Mild steel High carbon steel None of these Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In drop forging process, the forging is done by dropping the __________ at high velocity. Die with hammer Workpiece Hammer Weight on hammer Die with hammer Workpiece Hammer Weight on hammer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is having very high Ductility Tensile strength Proximity between its elastic limit and ultimate breaking strength All of these Ductility Tensile strength Proximity between its elastic limit and ultimate breaking strength All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Both A & B Neither A nor B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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