Materials and Construction Which of the following has the highest compressive strength? Cast iron Wrought iron Mild steel High carbon steel Cast iron Wrought iron Mild steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction 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 Is used as an alloying element for both ferrous & non-ferrous alloys Dimagnetic Is paramagnetic below 415° C (its Curie temperature) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Corrosive Neither A nor B Abrasive Both A & B Corrosive Neither A nor B Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction How many molecules per unit cell are there in a face centred cubic lettice? 4 6 2 8 4 6 2 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron compared to steel is better in Fluidity & castability Strength Malleability Ductility Fluidity & castability Strength Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
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