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 Cheaper Reduced preferentially Oxidised preferentially Lighter Cheaper Reduced preferentially Oxidised preferentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Blast furnace slag is mainly molten Sand Iron pyrite Magnesium silicate Calcium silicate Sand Iron pyrite Magnesium silicate Calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carbon is present in the form of __________ in grey cast iron. Spheroids Nodular aggregates of graphite Cementite Flakes Spheroids Nodular aggregates of graphite Cementite Flakes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium Cobalt, chromium & tungsten Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Molybdenun, tungsten & chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The phenomenon of strain-ageing is generally experienced with High manganese steel Cast iron High carbon steel Low carbon steel High manganese steel Cast iron High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Friction factor for fluid flow in pipe does not depend upon the Pipe length Pipe roughness Mass flow rate of fluid Fluid density & viscosity Pipe length Pipe roughness Mass flow rate of fluid Fluid density & viscosity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS