Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Neither A nor B Corrosive Abrasive Both A & B Neither A nor B Corrosive Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Soften its surface None of these Improve its reliability Harden its surface Soften its surface None of these Improve its reliability Harden its surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ability of a material to absorb energy in deformation in the plastic range is characterised as its Toughness Creep Resilience Ductility Toughness Creep Resilience Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron alloyed with carbon upto 2% is called High carbon steel Pig iron Wrought iron None of these High carbon steel Pig iron Wrought iron None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Annealing Carburising Normalising Tempering Annealing Carburising Normalising Tempering 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
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