Fluid Mechanics A stream line is Always the path of particle A line connecting the mid points of flow cross-section Drawn normal to the velocity vector at every point Fixed in space in steady flow Always the path of particle A line connecting the mid points of flow cross-section Drawn normal to the velocity vector at every point Fixed in space in steady flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The nominal size of a hose pipe is specified by its Thickness O.D. I.D. None of these Thickness O.D. I.D. None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is 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 Independent of the shear stress Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Interstage coolers are provided in a multistage compressor to Achieve the exact delivery pressure Save power in compressing a given volume to a given pressure Cool the delivered air None of these Achieve the exact delivery pressure Save power in compressing a given volume to a given pressure Cool the delivered air None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Prandtl number is one Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity Prandtl number is one Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS