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 Lighter Reduced preferentially Cheaper Oxidised preferentially Lighter Reduced preferentially Cheaper Oxidised preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle Relative motion between the billet surface and the container wall is always present Hollow ram is used for indirect extrusion Speed of the extruded material is same as that of ram speed Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Paint spray gun works on the principle of Bernoulli's theorem None of these Boyle's law Newton's law of viscosity Bernoulli's theorem None of these Boyle's law Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & increases Decreases & decreases Increases & decreases Decreases & increases Increases & increases Decreases & decreases Increases & decreases Decreases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Magnesium silicate Calcium silicate Sand Iron pyrite Magnesium silicate Calcium silicate Sand Iron pyrite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Density Thermal diffusivity Thermal conductivity Viscosity Density Thermal diffusivity Thermal conductivity Viscosity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS