Materials and Construction Softening of hardned steel is done by its Normalising Annealing Carburising Tempering Normalising Annealing Carburising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Chemical Neither A nor B Both A & B Electrochemical Chemical Neither A nor B Both A & B Electrochemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Carburising Normalising Tempering Annealing Carburising Normalising Tempering Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Decreases very quickly Decreases in proportion to stress Increases in proportion to stress Increases very quickly Decreases very quickly Decreases in proportion to stress Increases in proportion to stress Increases very quickly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is Having higher melting point Having lower hardness, reactivity and fusibility Having lower electrical conductivity More corrosion resistant Having higher melting point Having lower hardness, reactivity and fusibility Having lower electrical conductivity More corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
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