Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Density variation is maximum 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) T² T 1/T² 1/T T² T 1/T² 1/T ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Friction factor for fluid flow in pipe does not depend upon the Fluid density & viscosity Mass flow rate of fluid Pipe length Pipe roughness Fluid density & viscosity Mass flow rate of fluid Pipe length Pipe roughness ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as Re0.8, Re0.5 Re0.8, Re-0.5 Re0.5, Re0.8 Re-0.8, Re0.5 Re0.8, Re0.5 Re0.8, Re-0.5 Re0.5, Re0.8 Re-0.8, Re0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The weight of a body at the centre of the earth is Same as on the surface of the earth Zero Infinite None of these Same as on the surface of the earth Zero Infinite None of these ANSWER DOWNLOAD EXAMIANS APP