Fluid Mechanics The Prandtl mixing length is Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. None of these Centre of gravity Centre of buoyancy Water surface None of these Centre of gravity Centre of buoyancy Water surface ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is 90 45 30 60 90 45 30 60 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Increases linearly Remains constant Increases Decreases Increases linearly Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) 0.1 10 1 0.01 0.1 10 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs/Dp² Vs/Dp³ Vs²/Dp² Vs²/Dp³ Vs/Dp² Vs/Dp³ Vs²/Dp² Vs²/Dp³ ANSWER DOWNLOAD EXAMIANS APP
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