Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Abrasive Both A & B Neither A nor B Corrosive Abrasive Both A & B Neither A nor B Corrosive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Mildly Not Highly Least Mildly Not Highly Least ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have High-co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C Low co-efficient of friction between journal and bearing High-co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C Low co-efficient of friction between journal and bearing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Heavy duty bearings are usually made of Monel White metal Phosphorous bronze Zinc Monel White metal Phosphorous bronze Zinc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The increase in hardness of metal due to its cold working is termed as the __________ hardening. Age Induction Flame Work Age Induction Flame Work ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plasticisers are added to polymers to improve their Tensile strength Softness & flexibility Acid resistance Alkali resistance Tensile strength Softness & flexibility Acid resistance Alkali resistance ANSWER DOWNLOAD EXAMIANS APP
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