Chemical Engineering Basics Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Cheaper Lighter Oxidised preferentially Reduced preferentially Cheaper Lighter Oxidised preferentially Reduced preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Elastic properties Density Thermal properties Induced stresses Elastic properties Density Thermal properties Induced stresses ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Metallic soap solution Grease Palm oil Hazel-nut oil Metallic soap solution Grease Palm oil Hazel-nut oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies In the elastic range None of these In the plastic range Near the fracture point of the stress-strain curve In the elastic range None of these In the plastic range Near the fracture point of the stress-strain curve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Convection Radiation Nucleate boiling Conduction Convection Radiation Nucleate boiling Conduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In a casting, cold shut defect is caused by Low pounhg temperature Very low mould permeability Melt-mould reactions Faulty gating system Low pounhg temperature Very low mould permeability Melt-mould reactions Faulty gating system ANSWER DOWNLOAD EXAMIANS APP