Materials and Construction Platinum and silver are corroded by Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Fatigue resistance Creep resistance Tensile strength All of these Fatigue resistance Creep resistance Tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Decreases its tensile strength Does not affect its ductility Increases its ductility Decreases its ductility Decreases its tensile strength Does not affect its ductility Increases its ductility Decreases its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High corrosion resistance All of these Low thermal conductivity High co-efficient of thermal expansion High corrosion resistance All of these Low thermal conductivity High co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Interchain forces are the weakest in case of Plastics Both rubber & elastomers Elastomers Fibres Plastics Both rubber & elastomers Elastomers Fibres ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has very high Ductility Shock resistance Compressive strength Resistance to brittleness Ductility Shock resistance Compressive strength Resistance to brittleness ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS