Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Milligram of KOH required to saponify 1 gm of oil is called its __________ number. Acid Emulsion Precipitation Saponification Acid Emulsion Precipitation Saponification ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rain drops falling through atmospheric air attain limited terminal velocity, because of Upward thrust due to air Force of gravity Viscous force exerted by air Surface tension effects of water Upward thrust due to air Force of gravity Viscous force exerted by air Surface tension effects of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ of air does not increase with increase in temperature. Density Thermal diffusivity Viscosity Thermal conductivity Density Thermal diffusivity Viscosity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. Either A, B or C; depends on the size of atom Equal to Greater than Less than Either A, B or C; depends on the size of atom Equal to Greater than Less than 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, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS