Materials and Construction Presence of manganese in alloy steel improves its Cutting ability Elasticity & creep resistance Abrasion resistance & toughness Corrosion resistance Cutting ability Elasticity & creep resistance Abrasion resistance & toughness Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Wrought iron Aluminium Lead Copper Wrought iron Aluminium Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron compared to steel is better in Strength Ductility Fluidity & castability Malleability Strength Ductility Fluidity & castability Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Increases very quickly Decreases in proportion to stress Increases in proportion to stress Decreases very quickly Increases very quickly Decreases in proportion to stress Increases in proportion to stress Decreases very quickly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower Thermal conductivity Abundant availability Corrosion resistance Price Thermal conductivity Abundant availability Corrosion resistance Price ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Is used as an alloying element for both ferrous & non-ferrous alloys Dimagnetic Is paramagnetic below 415° C (its Curie temperature) Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Dimagnetic Is paramagnetic below 415° C (its Curie temperature) Has a body centred cubic (bcc) crystal lattice structure ANSWER DOWNLOAD EXAMIANS APP
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