Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 8 2 0.2 4 8 2 0.2 4 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction German silver used for decorative purposes contains maximum percentage of Silver Zinc Nickel Copper Silver Zinc Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is All of these Used for making shock resisting parts Having compressive strength more than its tensile strength Manufactured in cupola and is brittle All of these Used for making shock resisting parts Having compressive strength more than its tensile strength Manufactured in cupola and is brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the second & third Between the first & second Above the lowest Above the highest Between the second & third Between the first & second Above the lowest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Rollable Brittle Hard Soft Rollable Brittle Hard Soft ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of oxygen Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface Prevent the action of water Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP